Polyphenon

Phenolic content in tea

Vanillic acid

Protocatechuic acid

List of phytochemicals in food

Flavonoid

Michiyo Tsujimura

Hypericum perforatum

White tea

Genital wart

Sinecatechins

Health effects of tea

Theanine

Influenza treatment

Procyanidin

Yihai Cao

Weight management

Gallocatechol

List of 5α-reductase inhibitors

Theaflavin

Vigna umbellata

Angiogenesis inhibitor

Avadhesha Surolia

Prunus nipponica

Epigallocatechin gallate

Prodelphinidin

4-Hydroxybenzoic acid

Vitellaria

Aromatase

Plateau principle

Tea

Pu'er tea

Papaver somniferum

Tumor necrosis factor alpha

Paraldehyde

Theanine

Phenolic content in wine

Opuntia

Furanylfentanyl

வாற்கோதுமை - தமிழ் விக்கிப்பீடியா

Rhubarb

List of Chinese teas

Health effects of tea

Matthias Rath

Methoxychlor

Dietary supplement

Aromatase

Immunosuppressive drug

alpha-Pinene

Theanine

Ciprofloxacin

Flavonoid

Methaqualone

Phytochemical

Polyestradiol phosphate

Common fig

Dietary fiber

Epigallocatechin51

• In contrast to FA that reacted extensively with multiple amino acids including lysine, a major anchor residue for epitope binding to MHC molecules, GT catechin epigallocatechin-3-gallate (EGCG) crosslinked primarily with cysteine residues and thus preserved the major epitopes of the influenza hemagglutinin. (frontiersin.org)
• Epigallocatechin gallate (EGCG) is the most effective cancer chemopreventive polyphenol in green tea. (nature.com)
• The green tea polyphenol (-)-epigallocatechin gallate and green tea can protect human cellular DNA from ultraviolet and visible radiation-induced damage. (nature.com)
• Catechins are substances naturally present in green tea, the most abundant of which is epigallocatechin gallate (EGCG). (europa.eu)
• Catechins of green tea leaves account for about 10% of dry ht, including (-)-epigallocatechin gallate (EGCG), (-)-epigallocatechin (EGC), (-)-epicatechin gallate (ECG) and (-)-epicatechin (EC), where EGCG accounts for approximately 50% of the total amounts of catechins in green tea. (medindia.net)
• Epigallocatechin-3-gallate, one of the most abundant and widely studied catechin found in green tea, will be prominent in the present review. (nih.gov)
• Choi YT, Jung CH, Lee SR, Bae JH, Baek WK, Suh MH, Park J, Park CW, Suh SI (2001) The green tea polyphenol (−)-epigallocatechin gallate attenuates beta-amyloid-induced neurotoxicity in cultured hippocampal neurons. (springer.com)
• Tea contains polyphenols such as catechins or flavan-3-ols including epicatechin, epigallocatechin, epicatechin gallate, and epigallocatechin gallate (EGCG), as well as the alkaloid, caffeine. (unboundmedicine.com)
• Physiological concentrations (0.01-1 μ m ) of epigallocatechin-3 gallate, catechin-3 gallate, and, to a lesser extent, epicatechin-3 gallate induce a rapid and potent inhibition of VEGF-dependent tyrosine phosphorylation of VEGFR-2. (aacrjournals.org)
• It is made up of chemicals called catechins, of which epigallocatechin gallate (EGCG) is the most abundant. (herbal-supplements-guide.com)
• Ahmad N, Cheng P, Mukhtar H (2000) Cell cycle dysregulation by green tea polyphenol epigallocatechin-3-gallate. (springer.com)
• Chow H-HS, Cai Y, Hakim IA, Crowell JA, Shahi F, Brooks IA, Dorr RT, Hara Y, Akberts DS (2003) Pharmacokinetics and study of green tea polyphenols after multiple-dose administration of epigallocatechin gallate and polyphenon E in healthy individuals. (springer.com)
• Fujimura Y, Tachibana H, Maeda-Yamamoto M, Miyase T, Sano M, Yamada K (2002) Antiallergic tea catechin: (−)-epigallocatechin-3- O -(3- O -methyl)-gallate, suppresses FcepsilonRI expression in human basophilic KU812 cells. (springer.com)
• Epigallocatechin gallate (EGCG) and epigallocatechin EGC were the main catechins in various FOSHU beverages and the concentrations of almost all catechins were higher in FOSHU, than in popular green tea-based beverages. (scirp.org)
• The major types of catechins in green tea are epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicatechin (EC) and epicatechingallate (ECG), along with their heat-induced isomers that include catechin (+C), gallocatechin (GC), catechingallate (CG), and gallocatechingallate (GCG). (scirp.org)
• RSSL's Functional Ingredients Laboratory can analyse green tea for catechins, including epigallocatechin-gallate (EGCG) and epigallocatechin (EGC). (rssl.com)
• After taking 1.5, 3.0, and 4.5 g of decaffeinated green tea solids (dissolved in 500 ml of water), the maximum plasma concentration (Cmax) of (-)-epigallocatechin-3-gallate (EGCG) was 326 ng/ml, the Cmax of (-)-epigallocatechin (EGC) was 550 ng/ml, and the Cmax of (-)-epicatechin (EC) was 190 ng/ml. (aacrjournals.org)
• In the present study, alpha-tocopherol and several major catechins of green tea (catechin, epicatechin, epicatechin gallate, epigallocatechin, and epigallocatechin gallate) were tested for their ability to inhibit tube formation in vitro using a model in which human microvascular endothelial cells were exposed to a constant rate of a physiologically low level of H2O2. (dr-rath-foundation.org)
• Among the green tea catechins, epigallocatechin (0.5-1 microM) was the most effective in reducing IL-8 production and inhibiting angiogenesis. (dr-rath-foundation.org)
• Green tea contains four main catechins: epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicatechin gallate (ECG), and epicatechin (EC). (naturecity.com)
• Randomization (3 × 3 factorial design) to daily green tea and lycopene: green tea drink (3 cups, unblinded) or capsules [blinded, 600 mg flavan-3-ol ()-epigallocatechin-3-gallate (EGCG) or placebo] and lycopene-rich foods (unblinded) or capsules (blinded, 15 mg lycopene or placebo) for 6 months. (aacrjournals.org)
• Taking that a step further, one of the most potent polyphenols in green tea is a catechin known as epigallocatechin-3-gallate, or EGCG. (mercola.com)
• The main phenolic compounds found in pine bark are catechin/epicatechin, epigallocatechin and epicatechin gallate [ 1 ]. (omicsonline.org)
• In the present study, three monomers of (+)-catechin (C), (−)-epicatechin gallate (ECg) and (−)-epigallocatechin (EGC) were isolated from the hawthorn under the guide of antibacterial sensitization activity. (mdpi.com)
• Our previous work showed that green tea (-)-epigallocatechin gallate can inhibit FAS in vitro. (elsevier.com)
• Another gallated catechin, (-)-epicatechin gallate, was also found as a potent inhibitor of FAS and its inhibition characteristics are similar to (-)-epigallocatechin gallate. (elsevier.com)
• The other catechins are epigallocatechin (EGC), epicatechin-3-gallate (ECG) and epicatechin (EC). (thefreedictionary.com)
• The six predominant catechins in tea leaves are catechin, gallocatechin gallate(GCG), epigallocatechin (EGC), epicatechin (EC), epicatechin gallate (ECG) and epigallocatechin gallate (EGCG), with EGCG being the most abundant. (sigmaaldrich.com)
• Green tea has four classes of catechin molecules: epicatechin (EC), gallocatechin (GC), epigallocatechin (EGC), epicatechin gallate (ECG) and epigallocatechin gallate (EGCG). (healthkismet.com)
• Herein, green tea polyphenols, (-)-epigallocatechin-3-gallate (EGCG), and lanthanide metal ions (Sm 3+ ) are used as building blocks to engineer self-assembled Sm III -EGCG nanocomplexes with synergistically enhanced tumor inhibitory properties. (aalto.fi)
• The green tea catechin epigallocatechin gallate (EGCG) was shown to effectively inhibit tumor growth in various types of cancer including biliary tract cancer (BTC). (biomedcentral.com)
• Purpose: Green tea polyphenol, (-)-epigallocatechin-3-gallate, has been shown to inhibit cellular proliferation and induce apoptosis of various cancer cells. (elsevier.com)
• The authority pointed to high levels of the active substance EGCG (epigallocatechin-3-gallate) in the products, which were far above that obtained from just drinking green tea. (nutraingredients.com)
• Epigallocatechin gallate (EGCG) is the main catechin present in green tea. (nutraingredients.com)
• The most active and abundant catechin in green tea is known as epigallocatechin-3-gallate (EGCG). (wordpress.com)
• Recent evidence suggests that green tea catechins such as epigallocatechin gallate (EGCG) not only act as epigenetic modulators but can also modify miRNA expression and their target mRNAs, consistently contributing to the inhibition of prostate carcinogenesis. (current-molecular-medicine.com)
• A study published in the Journal of Medicinal Food indicated that EGCG (catechin epigallocatechin gallate) stimulates an enzyme that breaks down norepinephrine. (infobarrel.com)
• Epigallocatechin and gallocatechin contain an additional phenolic hydroxyl group when compared to epicatechin and catechin, respectively, similar to the difference in pyrogallol compared to pyrocatechol . (statemaster.com)
• such as EGCG ( epigallocatechin gallate ), which is commonly the most abundant catechin in tea. (statemaster.com)
• Epigallocatechin gallate (EGCG) is a type of catechin and is the most abundant catechin in tea. (statemaster.com)
• An active ingredient in green tea called epigallocatechin-3-gallate (EGCG) was found to inhibit memory impairment, brain insulin resistance, and obesity, a new study concluded. (superfoodsnews.com)
• It is also known that the green tea tannin mixture and its individual tannin components such as (-)-epicatechin 3- O -gallate (ECG) and (-)-epigallocatechin 3- O -gallate (EGCG) suppress renal failure in animals and inhibit the growth of mesangial cells. (go.jp)
• It's mainly because of the antioxidant epigallocatechin-3 gallate ( EGCG ), the main component considered good for one's health which is preserved in green tea but lost in oolong and black varieties when fermented. (o-cha.com)
• Antioxidants are molecules which can safely interact with free radicals and terminate the chain reaction before vital molecules are damaged (as in Vitamin C), or seek out and scavenge free radicals ( as in Vitamin E ). This is where it can be noted that research has indicated that one of the main antioxidants found in green tea ( epigallocatechin 3-gallate a.k.a. (o-cha.com)
• Pharmacokinetics and safety of green tea polyphenols after multiple-dose administration of epigallocatechin gallate and polyphenon E in healthy individuals. (wikipedia.org)
• Epigallocatechin-3-gallate (EGCG) is a green tea polyphenol that has several biological activities, including anti-cancer activity and anti-inflammation. (worktribe.com)
• Green tea extract (-)-epigallocatechin-3-gallate (EGCg) was obtained from Sigma-Aldrich (Catalog number E4268). (biomedcentral.com)
• One specific catechin called epigallocatechin gallate (EGCg) makes up 60% of the catechins in Matcha green tea. (naturallivingideas.com)
• A preliminary study found that cervical dysplasia improved following treatment with epigallocatechin-3-gallate, a green tea flavonoid, for 8 to 12 weeks. (geelawsonnutritional.com)
• Epigallocatechin gallate (EGCG) and epicatechin gallate (ECG), the major catechins derived from green tea, have multiple beneficial effects, but the effects of catechins on CXCL10 production from human gingival fibroblasts (HGFs) is not known. (unboundmedicine.com)
• Epigallocatechin gallate (EGCG) and (−)-epigallocatechin (EGC) are the major polyphenolic constituents in green tea. (aspetjournals.org)

Gallate3

• Furthermore, the analogues of galloyl moiety without the catechin skeleton such as propyl gallate also showed obvious slow-binding inhibition, whereas the green tea ungallated catechin not. (elsevier.com)
• Atomic orbital energy analyses suggest that the positive charge is more distinctly distributed on the carbon atom of ester bond of galloyl moiety of gallate catechins, and that gallated forms are more susceptible for a nucleophilic attack than other catechins. (elsevier.com)
• The dominant catechin is EGCG (epipallocatechin-3-gallate). (rainbow.coop)

Amount of catechins9

• Results suggest that complementing green tea with either citrus juices or vitamin C likely increases the amount of catechins available for the body to absorb. (science20.com)
• The amount of catechins in FOSHU products is displayed on labels as total catechin content, but the content of individual catechins are not provided. (scirp.org)
• Catechins can be unstable in the intestines, so in other products, the full amount of catechins may not remain after digestion. (mercola.com)
• Interestingly, the amount of catechins in instant iced tea is negligible. (thefreedictionary.com)
• She found that the amount of catechins measured both in freshly brewed and bottled teas differed. (thefreedictionary.com)
• The bad news is that the amount of catechins ingested by study participants are typically much higher than those found in the common diet, and it's unclear how potent catechins are in promoting cellular health at lower dosage levels. (healthkismet.com)
• Similarly, the amount of catechins ranged from 52 mg per 100 ml to 216 mg per 100 ml. (japanesegreentea.in)
• The 2003 study showed that the amount of catechins in black tea ranged from none at all to 81.6 per ml, with the lowest numbers being in iced teas. (japanesegreentea.in)
• The amount of catechins in green tea varies depending on the time of the year, with larger amounts being found in crops grown later in the season. (fsu.edu)

Antioxidant31

• Because oxidative stress has been implicated in brain senescence, we investigated the effects of green tea catechin (GT-catechin), a potential antioxidant, in senescence-accelerated (SAMP10) mice. (springer.com)
• Polyphenols are antioxidants, and EGCG, due to its high levels, is widely accepted as the major antioxidant in green tea. (unboundmedicine.com)
• Therefore, commercial green tea dietary supplements (GTDS) may be chemically standardized to EGCG levels and/or biologically standardized to antioxidant capacity. (unboundmedicine.com)
• In the current study, 19 commonly available GTDS were evaluated for catechin and caffeine content (using high-performance liquid chromatography) and for antioxidative activity [using trolox equivalent antioxidant capacity (TEAC) and oxygen radical antioxidant capacity (ORAC) assays]. (unboundmedicine.com)
• Catechins in green tea have various useful features including antioxidant activity and preventive effects on metabolic syndrome. (scirp.org)
• Catechins are the compounds that give green tea it's 'strong antioxidant activity' and are believed to have preventative effects on arteriosclerosis, liver damage and carcinogenesis. (rssl.com)
• Under experimental conditions, the ingestion of catechins exhibit antioxidant, antiviral and anti-plaque-forming activities, while epidemiological evidence suggests green tea catechins are associated with decreased risk of certain cancers and important anti-cancer properties. (dynamicchiropractic.ca)
• Catechins have been shown to decrease lipid oxidation in the body via antioxidant properties. (dynamicchiropractic.ca)
• Catechin /ˈkætɪtʃɪn/ is a flavan-3-ol, a type of natural phenol and antioxidant. (wikipedia.org)
• As flavonoids, catechins can act as antioxidants when in high concentration in vitro, but compared with other flavonoids, their antioxidant potential is low. (wikipedia.org)
• My Catechins formula features only highly beneficial ingredients - unlike supplements with only one type of antioxidant. (mercola.com)
• With my Catechins formula, you get the antioxidant benefits of one cup of good quality green tea. (mercola.com)
• Much different than popular green tea, another powerful antioxidant comes from a much less utilized source: blue-green algae, or more specifically spirulina. (mercola.com)
• The antioxidant effect of green tea catechin ameliorates experimental liver injury. (thefreedictionary.com)
• The active constituents in green tea are a family of polyphenols (catechins) and flavonols, which possess potent antioxidant activity. (botaniex.com)
• EGCg makes up about 10-50% of the total catechin content and appears to be the most powerful of the catechins - with antioxidant activity about 25-100 times more potent than vitamins C and E. A cup of green tea may provide 10-40mg of polyphenols and has antioxidant activity greater than a serving of broccoli, spinach, carrots or strawberries. (botaniex.com)
• Mechanism Because the active compounds, the catechins, found in green tea are known to possess potent antioxidant activity, they may provide beneficial health effects by protecting the body from the damaging effects of oxidative damage from free radicals. (botaniex.com)
• There have been evidences showing that tea and tea catechins reduced the risk of CVD by enhancing antioxidant activity, attenuating metabolic syndrome, inhibiting angiotensin converting enzyme, improving endothelial dys-function, preventing cardiac hypertrophy and protecting mitochondria from damage. (scirp.org)
• Green tea contains a large amount of antioxidant compounds known as catechins. (infobarrel.com)
• This study investigated the phytophenolic profile of Mauritian green tea and its antioxidant propensity. (hindawi.com)
• The effect of green tea on the risk factors: waist-hip ratio, glucose level, arterial pressure, antioxidant status, and alanine aminotransferase (ALT) in prediabetics was assessed. (hindawi.com)
• Green tea contained high level of phenolics related to its antioxidant power. (hindawi.com)
• These therapeutic properties have long been attributed to the catechins' antioxidant and free radical scavenging effects. (breakawaymatcha.com)
• Catechins are polyphenolic antioxidant plant metabolites , specifically flavonoids called flavan-3-ols. (wikidoc.org)
• The most important polyphenols found in tea are catechins, which are a particular type of disease-fighting antioxidant and flavonoid, or oxygen-containing aromatic antioxidant compound. (spiritualityhealth.com)
• The greater the astringency of the tea, the more likely it is to be advantageous to one s health because mounting evidence suggests that catechins fight cancer and exhibit both antiviral and antioxidant characteristics. (fsu.edu)
• The powder is then stored away from light and oxygen in order to preserve its brilliant green color and antioxidant properties. (naturallivingideas.com)
• Green tea extract is approximately two times more antioxidant-active than Vitamin C . The main attribution is supposed to be EGCG. (made-in-china.com)
• Among their many biological activities, the predominant polyphenols in green tea―EGCG, EGC, ECG, and EC―and the theaflavins and thearubigins in black teas have antioxidant activity ( 12 ). (cancer.gov)
• In fact, one study notes that phenolic compounds, which have antioxidant effects, constitute up to 30% of the dry weight of green and black tea. (medicalnewstoday.com)
• The strong antioxidant activities of green tea catechins are shown to exert protective effects against chronic diseases. (cftri.com)

Compounds20

• The major active ingredients of green tea are polyphenolic compounds, known as catechins. (medindia.net)
• Recently, a research group from the Department of Biotechnology, College of Engineering, Yonsei University, South Korea, investigated the antiviral effects of various catechin compounds, EGCG, ECG and EGC, on influenza virus with a view to investigate the structure-activity relationships of the green tea polyphenolic compounds. (medindia.net)
• The simultaneous determination of compounds such as catechins and caffeine in FOSHU beverages can help to estimate beneficial and adverse effects to prevent deleterious effects on health and the excessive consumption of FOSHU beverages containing high concentrations of tea catechins should be avoided. (scirp.org)
• In studies by Pan, up to twenty-six phenolic compounds have been found in the bark of Pinus sylvestris from Sweden, with catechins and procyanidins being the most abundant [ 8 ]. (omicsonline.org)
• Phenolic compounds extracted from pine bark include Gallic acid, ferulic and p-hydroxybenzoic acids, monomers such as catechin, epicatechin and taxifolin, and condensed flavonoids such as procyanidins [ 9 ]. (omicsonline.org)
• Phenolic compounds such as catechin have applications in the prevention of food oxidation, astringency, reactions with metals and proteins, and the synthesis of derivatives for pharmaceutical applications, as well as antibacterial activity and different medicinal benefits (cholesterol-lowering and antiallergic effects, etc. (omicsonline.org)
• Our findings suggest that the combination of curcumin and catechins may produce a synergistic colon cancer-preventative effect that would be more potent than each of the compounds alone. (breakawaymatcha.com)
• n.pl . flav-onoid phytochemical compounds found principally in green tea. (thefreedictionary.com)
• The catechins are a group of polyphenolic compounds exhibiting strong anti-oxidant, as well as, remarkable antibacterial, antiviral, and anti-inflammatory properties. (sigmaaldrich.com)
• One option is to prepare reference standards in-house from the individual catechin compounds. (sigmaaldrich.com)
• High-purity catechin compounds are often difficult to find and are very expensive. (sigmaaldrich.com)
• Tannins, large polyphenol molecules, form the bulk of the active compounds in green tea, comprised nearly 90%of catechins. (botaniex.com)
• Decaffeinated versions of green tea and green tea extracts are available - but due to differences in caffeine extraction methods, the amounts of phenolic/catechin compounds can vary between extracts. (botaniex.com)
• Green tea is loaded with nutrients and plant compounds that can have positive health effects. (healthline.com)
• The compounds in green tea can have powerful effects on health, including a decreased risk of cancer, diabetes and heart disease. (healthline.com)
• Catechins are a group of compounds found in tea, fruit, chocolate and wine. (nutraingredients.com)
• Heating catechin past its point of decomposition releases pyrocatechol, which explains the common origin of the names of these compounds. (statemaster.com)
• To understand green tea benefits for one's health, all you have to do is take a closer look at the compounds. (o-cha.com)
• Catechins are dietary polyphenolic compounds associated with a wide variety of beneficial health effects in vitro, in vivo and clinically. (breakawaymatcha.com)
• Green tea contains a specific set of organic compounds known as catechins. (naturallivingideas.com)

Major catechins2

• To elucidate the structure-activity relationship of the inhibitory effects of tea polyphenols, we investigated the inhibition kinetics of the major catechins and analogues. (elsevier.com)
• There was an observed 2.78 fold increase in the bioaccessibility of major catechins in the nanoemulsified form compared to unencapsulated catechins. (cftri.com)

Polyphenol6

• Leaves of Camellia sinensis contain at least eight polyphenol catechins. (sigmaaldrich.com)
• A number of commercial green tea extracts are standardized to total polyphenol content and/or EGCg content. (botaniex.com)
• It is recommended that consumers select an extract that is decaffeinated as well as standardized for total polyphenol content and/or catechin concentrations. (botaniex.com)
• Polyphenon is the trademark applied to a series of high grade green tea polyphenol extracts manufactured by the Mitsui Norin Co., Ltd. of Japan. (wikipedia.org)
• Recently, we developed an in situ label-free imaging technique, called mass spectrometry imaging, for visualizing spatially-resolved biotransformations based on simultaneous mapping of the major bioactive green tea polyphenol and its phase II metabolites. (mdpi.com)
• Green tea contains antioxidants which called Polyphenol. (hubpages.com)

Camellia11

• The health benefits of green tea (Camellia sinensis) catechins are becoming increasingly recognised. (nih.gov)
• Studies have shown catechins from the green tea plant, Camellia sinensis, are able to detoxify toxic chemicals, inhibit cancer cell activity and stimulate production of immune-strengthening enzymes. (science20.com)
• Green tea, the beverage made from the unfermented leaves of Camellia sinensis , is one of the most ancient and widely consumed beverages in the world. (aacrjournals.org)
• Green tea prepared from processed leaves of Camellia sinensis, contains large amounts of polyphenols, most of which are catechins. (scirp.org)
• Green tea is derived from the leaves of the Camellia sinensis plant and comes in several varieties. (healthline.com)
• Green tea (Camellia Sinensis) is a plant frequently steeped in hot water and drunk as tea. (blogrefugio.com)
• Although the amount of EGCG-equivalent varies from one cup of tea to another, depending on many factors (species of tea, length of steeping, time spent oxidizing), one cup of camellia sinensis green tea contains approximately 50mg of EGCG-equivalent. (blogrefugio.com)
• Matcha powdered green tea is believed to have higher levels of catechins compared to ordinary brewed green teas (Camellia sinensis). (rainbow.coop)
• Green tea (Camellia sinensis), which contains chemicals called catechins, have many health benefits, such as anti-inflammatory and anticancer activity. (rainbow.coop)
• Green tea, also known as Camellia sinensis, is fairly common to find and has become quite a popular choice in beverage due to it's many health benefits. (allstarhealth.com)
• This because that green tea is extracted from Chinese plant called Camellia Sinensis plant. (hubpages.com)

Flavonoids3

• Common flavonoids include quercetin, catechins, hesperidin and cyanidin. (healthline.com)
• It is rich in polyphenols like flavonoids and catechins, which work as powerful antioxidants. (allstarhealth.com)
• These data provide a novel mechanism through which the green tea flavonoids, catechins, can provide direct benefits in periodontal disease. (unboundmedicine.com)

Concentrations10

• Further studies in animal and cell models using physiological concentrations of catechins and their metabolites are warranted in order to gain some insight into the physiology and molecular basis of the observed beneficial effects. (nih.gov)
• The concentrations of EGCG in green tea-based popular beverages and in FOSHU beverages were 5.4 - 7.3 and 10.2 - 41.9 mg/100mL, respectively, with the highest concentration being in a product named Healthya (approximately 147 mg/bottle). (scirp.org)
• Therefore, concentrations of individual catechins in catechin-rich tea beverages should be determined and displayed to ensure the safe and appropriate consumption of catechins. (scirp.org)
• Mixtures of these catechins were tested with vitamin C only, with xylitol only, and with both, and all in varying concentrations. (rssl.com)
• To understand the bioavailability of tea catechins in humans, we gave 18 individuals different amounts of green tea and measured the time-dependent plasma concentrations and urinary excretion of tea catechins. (aacrjournals.org)
• Analysts determining catechin concentrations are challenged by the lack of commercially available catechin reference solutions. (sigmaaldrich.com)
• Polyphenols are a class of phytochemical found in high concentrations in green tea, and have been associated with heart disease and cancer prevention. (o-cha.com)
• The active catechins and their respective concentrations in green tea infusions are listed in the table below. (cancer.gov)
• Black tea contains much lower concentrations of these catechins than green tea ( 6 ). (cancer.gov)
• Green tea contains high concentrations of catechin polyphenols. (dailymotion.com)

Abundant catechin3

• According to a study that was published online in The FASEB Journal , EGCG, the most abundant catechin and bioactive component in green tea , can contribute to addressing neuroinflammation issues and brain insulin resistance that is triggered by a high-fat, high-fructose diet (HFFD). (superfoodsnews.com)
• EGCG is the most abundant catechin in tea. (japanesegreentea.in)
• EGCG, however, is the most abundant catechin in all of the teas. (japanesegreentea.in)

Total catechin content1

• Catechins constitute about 25% of the dry weight of fresh tea leaf , although total catechin content varies widely depending on clonal variation, growing location, seasonal/ light variation, and altitude. (statemaster.com)

Oxidative10

• We found that daily consumption of GT-catechin prevented memory regression and DNA oxidative damage in these mice. (springer.com)
• The oxidative alterations of LDL were shown to be prevented by tea catechins. (prohealth.com)
• Green tea catechin polyphenols attenuate behavioral and oxidative responses to intermittent hypoxia. (semanticscholar.org)
• Green tea catechins reduced oxidative stress (oxidation) for up to 20 hours with the strongest effects lasting up to 12 hours. (thefreedictionary.com)
• Catechins, like other antioxidants, help protect cells from oxidative stress. (sigmaaldrich.com)
• Commercially processed green tea is typically heated with steam or pan fried, which actually increases the catechin concentration in the tea leaves by activating heat-sensitive oxidative enzymes. (healthkismet.com)
• Catechins seem to reduce oxidative stress within the body, but it's not entirely understood why this occurs. (healthkismet.com)
• In research conducted at the University of Louisville, Kentucky, oral green tea polyphenols reduced the spatial learning deficits and oxidative stress caused by intermittent hypoxia. (herbs.org)
• Emerging evidence has shown that catechins and their metabolites have many additional mechanisms of action by affecting numerous sites, potentiating endogenous antioxidants and eliciting dual actions during oxidative stress, ischemia and inflammation. (breakawaymatcha.com)
• Catechins' actions of attenuating oxidative stress and the inflammatory response may, in part, account for their confirmed neuroprotective capabilities following cerebral ischemia. (breakawaymatcha.com)

Inhibit4

• The catechins were evaluated for their ability to inhibit influenza virus replication in cell culture and for potentially direct virucidal effect. (medindia.net)
• Catechins also inhibit fat accumulation in the liver and body fat, and stimulate thermogenesis (increased fat-burning and calorie burning at rest). (dynamicchiropractic.ca)
• 2), green tea catechins may inhibit collagenases or matrix metalloproteinases (MMPs). (thefreedictionary.com)
• Intake of tea or catechins isolated from tea was shown to inhibit the development of CVD in population studies and in animal models. (scirp.org)

Levels of catechins3

• Many prefer black tea's flavor, although it contains lower total levels of catechins. (science20.com)
• Ferruzzi currently is conducting an in vivo study, or study on a live organism, to quantify the ability of juices and vitamin C to increase levels of catechins in the intestines and bloodstream of animals and, by extension, in humans. (science20.com)
• The average retention levels of catechins in the baked and steamed bread were 75.3-89.5% and 81.4-99.3%, respectively. (elsevier.com)

Oxidation13

• A green tea-caffeine mixture improves weight maintenance, through thermogenesis, fat oxidation, and sparing fat free mass. (nih.gov)
• As such, green tea catechins may discourage fat accumulation by decreasing fat oxidation in the body. (dynamicchiropractic.ca)
• The ability to quench singlet oxygen seems to be in relation with the chemical structure of catechin, with the presence of the catechol moiety on ring B and the presence of a hydroxyl group activating the double bond on ring C. Electrochemical experiments show that (+)-catechin oxidation mechanism proceeds in sequential steps, related with the catechol and resorcinol groups and the oxidation is pH-dependent. (wikipedia.org)
• Another well-cited study published in the Journal of Clinical Nutrition in 1999 found that people who regularly took green tea extract showed higher levels of energy expenditure over a 24 hour period with a higher baseline metabolism and lipid oxidation (fat metabolism). (healthkismet.com)
• Green tea (绿茶) is tea that has undergone minimal oxidation during processing. (statemaster.com)
• Pinyin: ) is a traditional Chinese tea somewhere between green and black in oxidation. (statemaster.com)
• The benefits of green tea catechins on lipid oxidation and related fat-burning pathways are achieved in a dose dependent manner. (blogrefugio.com)
• There are three main types of tea: green tea, oolong tea, and black tea, categorized according to their oxidation levels (called the fermentation process). (o-cha.com)
• Green tea is steamed, baked, or pan heated to prevent oxidation and thus the leaves remain green. (o-cha.com)
• The fermentation and oxidation process is believed to strip black and oolong tea of some antioxidants, so green tea has more catechins than the other types. (japanesegreentea.in)
• The process for making green tea is similar, but it does not involve oxidation. (medicalnewstoday.com)
• Oxidation may give black tea nutritional benefits that are not present in green tea. (medicalnewstoday.com)
• The antioxidants in black tea are different from those in green tea, due to the oxidation process. (medicalnewstoday.com)

Gallic acid3

• Catechin and (-)-epicatechin as well as their gallic acid conjugates are ubiquitous constituents of vascular plants, and frequent components of traditional herbal remedies, such as Uncaria rhynchophylla. (wikipedia.org)
• In addition, gallic acid (GA), a structural constituent of these catechins, induces apoptosis in tumor cell lines. (go.jp)
• Only recently is scientific research beginning to understand green tea's health benefits in relation to its high concentration of phytochemicals, known as polyphenols, which include subclasses of tannins and gallic acid. (japanesegreentea.in)

Consuming the catechin-enriched1

• Visceral fat levels decreased by 9.5 cm2 after twelve weeks of consuming the catechin-enriched beverage, compared with a control beverage with normal levels of green tea catechins, according to results of a study with 118 obese Chinese. (nutraingredients.com)

Dietary11

• EFSA has assessed the safety of green tea catechins from dietary sources, following concerns regarding their possible harmful effects on the liver. (europa.eu)
• The health benefits associated with tea consumption have resulted in the wide inclusion of green tea extracts in botanical dietary supplements, which are widely consumed as adjuvants for complementary and alternative medicines. (unboundmedicine.com)
• However, recent reports have indicated that excessive consumption of green tea extracts as a dietary supplement are associated with adverse health effects such as liver disorders. (scirp.org)
• The main dietary sources of catechins in Europe and the United States are tea and pome fruits. (wikipedia.org)
• The chemopreventive effects of curcumin and green tea catechins individually and in combination on 1,2-dimethylhydrazine (DMH)-induced colon carcinogenesis were studied in male Wister rats following 32 weeks of dietary treatment. (breakawaymatcha.com)
• The results showed that dietary curcumin, catechins and combination administration significantly inhibited the total number of ACF per rat. (breakawaymatcha.com)
• A number of beneficial health effects are attributed to regular consumption of green tea and dried/powdered extracts of green tea are available as dietary supplements. (botaniex.com)
• Now EFSA's ANS Panel has provided a scientific opinion on the safety of green tea catechins from dietary sources, including preparations such as food supplements and infusions. (nutraingredients.com)
• The report also cited data from a 2013 study, which analysed the content of catechins in 97 dietary supplements, obtained from subjects in the drug‐induced liver injury network (DILIN). (nutraingredients.com)
• Many dietary supplement companies sell green tea extracts as supplements, but as such, are not allowed to make any disease treatment or prevention claims. (wikipedia.org)
• Dietary supplements containing green tea extracts are also available ( 1 ). (cancer.gov)

Flavanols3

• The chemical components found in green tea consist mainly of polyphenols (flavanols), commonly known as catechins. (aacrjournals.org)
• Catechins are a family of flavanols, the most abundant of which are (+)-catechin and epicatechin. (healthline.com)
• Catechins, also called flavanols, and tannins are actually types of polyphenols. (japanesegreentea.in)

Beverage8

• Green tea enriched with catechins may reduce body fat levels, says a new study that supports the weight management potential of the beverage. (nutraingredients.com)
• The catechin-enriched beverage used in this study contained 125.5 mg of EGCG per 350 ml serving of tea, compared with about 15 mg in a standard commercial tea beverage. (nutraingredients.com)
• The total concentration of catechin in the enriched tea was 609 mg per serving, compared with only 86 in the standard (control) beverage. (nutraingredients.com)
• The study compared the effect of various beverage additives on catechins, naturally occurring antioxidants found in tea. (science20.com)
• Green tea is a very popular beverage that had its origin in China several thousand years ago. (biomedcentral.com)
• Green tea is a popular beverage consumed worldwide. (healthline.com)
• The team also investigated the effect of drinking coffee and found the beverage can yield similar results to those found with green tea consumption. (wordpress.com)
• Green tea is the second most consumed beverage in the world after water, and is grown in at least 30 countries. (superfoodsnews.com)

Epidemiological6

• The mounting evidence for the influential effect of green tea catechins on vascular function from epidemiological, human intervention and animal studies is subject to review together with exploration of the potential mechanistic pathways involved. (nih.gov)
• Epidemiological and animal studies have indicated that consumption of green tea and high vitamin E intake are associated with a reduced risk of developing certain forms of cancer. (dr-rath-foundation.org)
• Epidemiological studies on green tea consumption have results that are more mixed than in vivo animal studies. (healthkismet.com)
• A review paper by Shirikami et al, investigates epidemiological studies and a large number of experimental studies on Green Tea and its anti-Cancer benefits. (scoop.it)
• Epidemiological studies have argued that green tea could mitigate diabetes and its complications. (hindawi.com)
• Though the evidence is inconclusive as of yet, some epidemiological studies seem to suggest that regularly drinking large amounts of green tea may prolong human life. (fsu.edu)

Metabolism7

• They also will need to better document effects upon catechin metabolism in order to prove, for instance, that increased levels of absorbed catechins are not leveled off by metabolic factors, Ferruzzi said. (science20.com)
• Lipid metabolism studies in animals, tissues and cells have found that catechins reduce blood levels of triglycerides and total cholesterol. (dynamicchiropractic.ca)
• Green tea catechins have a positive effect on both lipid and carbohydrate metabolism. (healthkismet.com)
• The caffeine and catechins it contains have been shown to boost your metabolism and increase fat burning ( 9 , 10 ). (healthline.com)
• Although catechins do not have the ability to directly burn fat, they have the power to speed up our metabolism. (infobarrel.com)
• While the green tea ion of free radicals is a normal part of metabolism at the cellular level, things such as excessive alcohol intake, smoking, and various chemical exposures only serve to increase the amount of free radicals present in the body. (o-cha.com)
• Green tea boosts the metabolism of lipid fat and glucose, and then decreases the percentage of sugar in blood. (hubpages.com)

Antioxidants Called Catechins1

• This includes potent antioxidants called catechins, which may help protect against cancer. (healthline.com)

Supplement16

• Although more research needs to be done to prove any of these benefits conclusively, most of them have been positive and it safe to conclude that drinking green tea regularly or taking a good supplement is probably a good idea. (herbal-supplements-guide.com)
• Should you drink green tea or take a supplement? (herbal-supplements-guide.com)
• An even better idea is to take a high quality supplement that contains standardized green tea extract. (herbal-supplements-guide.com)
• You might be asking why not just take a single ingredient green tea supplement rather than one with other ingredients? (herbal-supplements-guide.com)
• So although you can certainly take a green tea supplement, you may be better off taking a multi-ingredient supplement that can enhance and improve upon the benefits you are getting from green tea. (herbal-supplements-guide.com)
• But some people may want to just try a green tea supplement and may already be taking a multi they are happy with. (herbal-supplements-guide.com)
• showed that during a 12-week trial involving overweight subjects, a catechin-enriched supplement (625 mg per day) enhanced the weight-reduction effects of exercise (180 minutes per week) as compared to a control group. (dynamicchiropractic.ca)
• The women were given either a placebo or a decaffeinated green tea supplement containing 1,315 mg of catechins consisting of 845 mg EGCG, 202 mg EG, 107 mg EGC, and 107 mg EC for 12 months. (naturecity.com)
• At the conclusion of the study, the researchers noted a 2.1% reduction in total cholesterol and a 4.1% reduction in LDL cholesterol in the green tea supplement group. (naturecity.com)
• Among other benefits, green tea has been shown to support heart health starting at only 1 cup per day - exactly the amount you get in my supplement. (mercola.com)
• Having vitamin C in a catechins supplement is an absolute must. (mercola.com)
• This would provide a good rational for taking a green tea catechin supplement. (healthkismet.com)
• While the catechin content of green tea infusions and similar drinks are generally safe there may be health concerns when taken as a food supplement, says a report from the European Food Safety Authority (EFSA). (nutraingredients.com)
• That is why green tea and green tea extract is becoming more popular as a weight loss supplement. (lifehack.org)
• Green coffee bean extract in supplement form can supply chlorogenic acid without the side effects experienced with coffee consumption. (wordpress.com)
• The benefits of green tea antioxidants are explained in-depth and supplement recommendations are offered to best capture the benefits of green tea in your diet. (allstarhealth.com)

Isomers4

• Two of the isomers are in trans configuration and are called catechin and the other two are in cis configuration and are called epicatechin. (wikipedia.org)
• Diastereoisomers gallery (+)-catechin (2R,3S) (-)-catechin (2S,3R) (-)-epicatechin (2R,3R) (+)-epicatechin (2S,3S) Moreover, the flexibility of the C-ring allows for two conformation isomers, putting the B ring either in a pseudoequatorial position (E conformer) or in a pseudoaxial position (A conformer). (wikipedia.org)
• Catechin and epicatechin are epimers , with (-)-epicatechin and (+)-catechin being the most common optical isomers found in nature. (statemaster.com)
• The resolution between catechin isomers under optimal conditions has been found to be more than 3.0. (breakawaymatcha.com)

Effect of green tea catechins2

• In conclusion, a positive effect of green tea catechins on vascular function is becoming apparent. (nih.gov)
• investigated the effect of green tea catechins on body fat reduction, waist circumference and other end points. (dynamicchiropractic.ca)

Consumption of green tea catechins1

• These results suggest that consumption of green tea catechins or supplemental intake of vitamin E may have preventive effects on tumor development, mediated, at least in part, through inhibition of angiogenesis via suppression of IL-8 production. (dr-rath-foundation.org)

Theanine4

• The neuroprotective effects of theanine and catechins contained in green tea are discussed. (prohealth.com)
• The neuroprotective effects of theanine and catechins contained in green tea are a focus of considerable attention, and further studies are warranted. (prohealth.com)
• Green tea contains antioxidants properties, polyphenols, theanine, as well as a wide variety of vitamins and minerals. (o-cha.com)
• During normal photosynthesis , L-theanine is converted to catechins. (spiritualityhealth.com)

Infusions10

• EFSA concluded that catechins from green tea infusions and similar drinks are generally safe. (europa.eu)
• In its safety assessment, EFSA looked at possible links between the consumption of EGCG in green tea infusions and food supplements and liver damage. (europa.eu)
• For green tea infusions, EFSA's experts concluded that there is generally no indication of liver damage even after high consumption, and that the few cases of liver damage reported in humans are likely due to rare and unpredictable reactions. (europa.eu)
• Experts therefore considered catechins from green tea infusions brewed with hot water, and instant and ready-to-drink green tea beverages with similar catechin content, as generally safe. (europa.eu)
• The average daily intake of EGCG resulting from the consumption of traditional green tea infusions ranges between 90 and 300 mg, but may reach up to 866 mg in adults who consume large quantities of these drinks. (europa.eu)
• Catechins in green tea extracts used in food supplements may be more concentrated, or have a different composition and pattern of consumption compared to catechins from green tea infusions. (europa.eu)
• Hibiscus petals are used in the herbal green tea infusions designed by The Wise Herb Co. (scoop.it)
• In its report, the panel concludes that while intake of green tea catechins from green tea infusions are generally safe, there is potential for liver damage from supplementation with doses of EGCG above at 800 mg per day. (nutraingredients.com)
• According to the opinion, the average daily intake of EGCG resulting from the consumption of green tea infusions ranges from 90 to 300 mg/day - with 'high-level consumers' likely to have an intake of up to 866 mg/day. (nutraingredients.com)
• After the strong infusions have been concentrated to 40-50% solids (the catechin content is above 25% w/w) , they are sprayed and then become dehydrated extract and powder. (made-in-china.com)

Bioavailability5

• Chung et al from Sejong University have reported that the bioavailability of catechins in humans can be enhanced with vitamin C and xylitol. (rssl.com)
• These results 'provide a potential strategy to enhance the delivery and bioavailability of catechins in humans. (rssl.com)
• However these potential effects have been strongly limited by green tea catechins low bioavailability, which hinders the development of therapeutic applications. (eurekaselect.com)
• C. F. Rodrigues, K. Ascenção, F. A.M. Silva, B. Sarmento, M. B.P.P. Oliveira and J. C. Andrade, "Drug-Delivery Systems of Green Tea Catechins for Improved Stability and Bioavailability", Current Medicinal Chemistry (2013) 20: 4744. (eurekaselect.com)
• Effects of dosing condition on the oral bioavailability of green tea catechins after single-dose administration of Polyphenon E in healthy individuals. (wikipedia.org)

Inhibition5

• Green tea, by containing both tea catechins and caffeine, may act through inhibition of catechol O-methyl-transferase, and inhibition of phosphodiesterase. (nih.gov)
• The inhibition of VEGFR-2 activity by the catechins displayed positive correlation with the suppression of in vitro angiogenesis. (aacrjournals.org)
• These observations suggest that the anticancer properties of green tea extracts may be related to their inhibition of VEGF-dependent angiogenesis. (aacrjournals.org)
• The combination treatment displayed the most potent inhibitory effect, while there was no difference of inhibition between curcumin and catechins-treated groups. (breakawaymatcha.com)
• Ungallated catechins from green tea do not show obvious inhibition compared with gallated catechins. (elsevier.com)

Caffeine and catechins2

• The caffeine and catechins in green tea are well known for their health benefits, but they can also cause side effects for some people, especially in large doses. (healthline.com)
• The reason that green tea can help with weight loss is that it combines the unique properties of two important active ingredients, caffeine and catechins. (lifehack.org)

Matcha Green Tea10

• A long standing tradition of Japanese culture, Matcha green tea is the highest quality powdered green tea available. (naturallivingideas.com)
• The traditional way to drink Matcha green tea is in a bowl. (naturallivingideas.com)
• This tin of Jade Leaf Organic Matcha Green Tea Powder ticks all of the boxes and is backed up with hundreds of five star reviews on Amazon . (naturallivingideas.com)
• If you are making Matcha green tea in a cup follow the following directions. (naturallivingideas.com)
• How Much Caffeine Is In Matcha Green Tea? (naturallivingideas.com)
• In steeped green tea there is about 32 mg of caffeine compared to 68 mg of caffeine in one teaspoon of ceremonial grade (the highest grade) Matcha green tea. (naturallivingideas.com)
• Remember, a moderate amount of caffeine won't hurt you and has been shown to actually be beneficial in Matcha green tea. (naturallivingideas.com)
• Matcha Green Tea is that just one bowl provides over 5 times as many antioxidants as any other food - the highest rated by the ORAC (oxygen radical absorbance capacity) method. (naturallivingideas.com)
• For over a millennium, Matcha green tea has been used by Chinese Daoists and Japanese Zen Buddhist monks as a means to relax and meditate while remaining alert. (naturallivingideas.com)
• Catechins in Matcha Green Tea. (rainbow.coop)

Intestinal4

• To see if juices and vitamin C actually increase catechin absorption, researchers will have to find out if increased levels of intestinal catechins translate to higher levels of absorbed catechins in live animals and humans. (science20.com)
• A study published in the Journal of Food Science has investigated the effects of vitamin C and the sweetener xylitol on the intestinal transport of green tea catechins. (rssl.com)
• New delivery systems are presented as valid alternatives to overcome the limitations such as green tea catechins poor stability or intestinal absorption. (eurekaselect.com)
• Further, there was a significant increase in intestinal permeability of catechins as assessed by Caco-2 cell model. (cftri.com)

Tannin5

• Catechin and epicatechin are the building blocks of the proanthocyanidins, a type of condensed tannin. (wikipedia.org)
• If steeped too long, green tea can possess a very bitter taste due to its tannin content. (examine.com)
• One difference between a catechin and tannin is size: Tannins are larger. (japanesegreentea.in)
• A catechin with over 20 or more hydroxyl groups (-OH) is classed as a tannin. (japanesegreentea.in)
• Green tea contains an abundance of phytochemicals, such as catechins, which are tannin derivatives that provide astringency to the drink. (fsu.edu)

Effects of catechins4

• Kashima M (1999) Effects of catechins on superoxide and hydroxyl radical. (springer.com)
• 4 The authors suggested that one of the effects of catechins is due to the inhibitory activity of catechol-O-methyltransferase (COMT), which is a catecholamine-degrading enzyme. (dynamicchiropractic.ca)
• However, the effects of catechins on renal tubular cells have not been investigated. (go.jp)
• Heart Effects of Catechins From Green Tea. (rainbow.coop)

Apoptosis1

• Catechins have proven to modulate apoptosis at various points in the sequence, including altering expression of anti- and proapoptotic genes. (breakawaymatcha.com)

Intake2

• Food supplements containing green tea catechins provide a daily EGCG intake ranging from 5-1000 mg. (europa.eu)
• These findings suggest that continued intake of GT-catechin might promote healthy ageing of the brain in older persons. (springer.com)

Abstract1

• abstract = "Green tea catechins are potent inhibitors of enzymes for carbohydrate digestion. (elsevier.com)

Absorption2

• Green tea extract increases the absorption of triglycerides and cholesterol, and studies have shown that people who ingest green tea tend to excrete more fatty acids in their urine than those who don't. (healthkismet.com)
• Researchers suspect the catechins impede the gut's absorption of glucose. (japanesegreentea.in)

Found28

• A new study found that citrus juices enable more of green tea's unique antioxidants to remain after simulated digestion, making the pairing even healthier than previously thought. (science20.com)
• Citrus juice increased recovered catechin levels by more than five times, the study found. (science20.com)
• Lemon juice caused 80 percent of tea's catechins to remain, the study found. (science20.com)
• Catechins have been found in previous studies to be more stable in acidic conditions hence it has previously been shown that vitamin C and xylitol increase stability thus cellular uptake. (rssl.com)
• The catechins found in green tea have been shown to promote weight loss and reduction of body fat in human subjects, independent of any effects of caffeine. (dynamicchiropractic.ca)
• Catechins are powerful antioxidants found in green tea. (naturecity.com)
• The health benefits associated with green tea are usually attributed to the high level of powerful disease-fighting catechins found in green tea. (naturecity.com)
• In addition to green tea, they can also be found in red wine, apples, and berries. (naturecity.com)
• Catechins and epicatechins are found in cocoa, which, according to one database, has the highest content (108 mg/100 g) of catechins among foods analyzed, followed by prune juice (25 mg/100 ml) and broad bean pod (16 mg/100 g). (wikipedia.org)
• Catechins are found in barley grain where they are the main phenolic compound responsible for dough discoloration. (wikipedia.org)
• Catechins are found in many fruits and beverages. (healthline.com)
• Catechins are naturally occurring polyphenols commonly found in chocolate, green and black tea, red wine, and a few other plant foods. (healthkismet.com)
• The catechin ECGC in particular seems to be the most potent tumor suppressing molecule found in the tea leaves. (healthkismet.com)
• A large observational study found that men who drank five or more cups of green tea daily had a lower risk of developing prostate cancer, compared to those who drank less than one cup per day ( 18 ). (healthline.com)
• One observational study found that drinking five or more cups of green tea per day was linked to a decreased risk of pancreatic cancer ( 22 ). (healthline.com)
• An analysis of nine studies found that people who consumed one to three cups of green tea daily had a lower risk of heart attack and stroke, compared to those who drank less than one cup ( 24 ). (healthline.com)
• One thing most studies have found is that green tea drinkers are in better health than those who do not drink tea at all. (healthline.com)
• Meanwhile, food supplements containing green tea catechins were found to provide a daily dose of EGCG in the range of 5-1,000 mg/day, for adult population, it said. (nutraingredients.com)
• The Journal of Cardiovascular Pharmacology" reported that the maximum collagen enhancing benefits were found when lysine, proline, vitamin C and green tea catechins were all used together. (livestrong.com)
• A study on a small group of men found that green tea consumption help them to increase fat burning both during activities and at while at rest. (lifehack.org)
• In a study of 60 obese patients, it was found that use of green tea extract lead to an average weight loss of 7.3 pounds by the end of the 3 month study and resulted in the burning of around 183 more calories a day. (lifehack.org)
• A 2003 study of different green and black teas, for example, found that the amount of EGCG in green tea could range from 22 mg per 100 ml to nearly 100 mg per 100 ml. (japanesegreentea.in)
• Some of the catechins found in tea may prevent the development of diabetes. (japanesegreentea.in)
• The polyphenols found in green tea have been linked to a reduced risk of Parkinson's disease. (japanesegreentea.in)
• In Japan, for instance, a study carried out by the Saitama Cancer Center that evaluated 8,500 participants found that those that consumed more than 3 cups of green tea per day had an average lifespan of 66 years for males and 68 years for females. (fsu.edu)
• An extract of green tea, enriched with a compound present in black tea (theaflavins), has been found to lower serum cholesterol in people with moderately high cholesterol levels. (geelawsonnutritional.com)
• A meta-analysis of a few studies found that green tea consumption may improve blood glucose control and insulin sensitivity. (geelawsonnutritional.com)
• A significantly negative correlation was found between the catechin retention level and the RDS content of bread. (elsevier.com)

Humans5

• Numerous studies in humans, animal models and cell lines have suggested the potential benefits from the consumption of green tea polyphenols, including prevention of cancer and heart diseases. (eurekaselect.com)
• Safety Adverse or toxic effects of isolated tea catechins or polyphenols have not been reported in humans. (botaniex.com)
• Several recent studies examining the anti-carcinogenic properties of Green Tea catechins in humans have yielded promising results that suggest the possibility of their application to human clinical trials. (scoop.it)
• Significant effects in humans are noted only at high doses, such as 400-500mg EGCG equivalent per day (most Green Tea Extract supplements are roughly 50% EGCG). (blogrefugio.com)
• The health benefits of catechins have been studied extensively in humans and in animal models. (wikidoc.org)

Extract Catechin1

• Green tea extract catechin is effective in correcting diastolic dysfunction and improving ventricular muscle intrinsic compliance in RCM caused by troponin mutations. (biomedcentral.com)

Extracts Catechins1

• In the present study, we have investigated the ventricular muscle internal dynamics and pressure developed during systole and diastole by inserting a micro-catheter into the left ventricle of the RCM mice with or without treatment of desensitizer green tea extracts catechins. (biomedcentral.com)

Concentration4

• Named 'TEAWELL 95', the extract has a 95% concentration of the catechin Epigallocatechinegallate (EGCG), among the highest purities available on the market today. (thefreedictionary.com)
• Catechins may also be prepared in specifically tailored combinations of concentration, components, and solvent utilizing our custom chemical standards program. (sigmaaldrich.com)
• By weight, green tea leaves are about 30-40% catechin concentration, compared to 10% for black tea. (healthkismet.com)
• Results of this study showed that addition of green tea extract (GTE) at 0.45%, 1%, and 2% concentration levels significantly reduced the glycaemic potential of baked and steamed bread. (elsevier.com)

Anti-oxidant and anti-inflammatory2

• Catechins are the anti-oxidant and anti-inflammatory components of green tea. (livestrong.com)
• Green tea contains polyphenols that have anti-oxidant and anti-inflammatory activity, and studies have suggested that these polyphenols can protect skin against ultraviolet rays. (geelawsonnutritional.com)

Polyphenols in green tea3

• What is the difference between catechins, tannins and polyphenols in green tea? (japanesegreentea.in)
• Determining the amount of polyphenols in green tea is not a straightforward process, as some brands have more than others. (japanesegreentea.in)
• The polyphenols in green tea leaves may help protect against colon cancer. (geelawsonnutritional.com)

Health38

• The majority of science on tea has looked at green tea, with benefits reported for reducing the risk of Alzheimer's and certain cancers, improving cardiovascular and oral health. (nutraingredients.com)
• When taken as food supplements, however, catechin doses at or above 800 mg/day may pose health concerns. (europa.eu)
• Green tea is widely consumed for its purported health benefits, but there have also been reports in the EU and beyond of possible harmful effects. (europa.eu)
• Experts also proposed clearer labelling of green tea products (in particular food supplements) regarding catechin content and their possible health risks. (europa.eu)
• Catechins (pronounced KA'-teh-kins), display health-promoting qualities and may be responsible for some of green tea's reported health benefits, like reduced risk of cancer, heart attack and stroke. (science20.com)
• Finding methods to improve uptake of these catechins may, therefore, be important in improving health, part of the study's goal, Ferruzzi said. (science20.com)
• What is green tea extract and what are the health benefits? (herbal-supplements-guide.com)
• Research has yielded numerous health benefits of green tea, and as such it has gained enormous popularity in recent years. (herbal-supplements-guide.com)
• 4) Promoting General Health - Green tea extract contains powerful antioxidants that can help boost the body's immune system and protect against illness and disease. (herbal-supplements-guide.com)
• New studies are being conducted all the time to determine if green tea/EGCG has any positive effects on other health conditions such as chronic fatigue, endometriosis, viruses like herpes, flu, hepatitis and HIV. (herbal-supplements-guide.com)
• Various beverages that are enriched with tea catechins are marketed as Foods for Specified Health Uses (FOSHU) in Japan. (scirp.org)
• Although health hazards of FOSHU products have rarely been reported, precise information about the content and types of catechins in FOSHU products is needed to ensure safety. (scirp.org)
• The Consumer Affairs Agency of Japan has approved the marketing of catechin-rich tea beverages as FOSHU products due to the various health-pro- moting functions of catechins. (scirp.org)
• Because adverse health effects of consuming green tea or catechin-rich tea beverages have not been reported, catechins are considered safe. (scirp.org)
• Catechins have been linked to other health benefits including lower cholesterol, weight loss, improved heart health, aiding in digestion and decreased risk of neurodegenerative diseases. (naturecity.com)
• The health benefits of green tea catechins have been widely studied. (healthline.com)
• Catechins have become a hot topic in today's health conscious world. (sigmaaldrich.com)
• During the course of the last two decades, the health effects of tea and its catechins have been docmnented in nmnerous scientific studies and the scientific basis of these effects has been elaborated. (google.com)
• Dr. Ham has published nmnerous research papers on the health effects of green tea and its catechins. (google.com)
• Tea is rich in polyphenolic catechins which are beneficial to health. (scirp.org)
• Other possible benefits of drinking green tea include immune system support, improved brain function, improved dental health and a lower risk of arthritis, Alzheimer's and Parkinson's disease ( 12 , 13 , 14 ). (healthline.com)
• Health Canada recently warned against green tea pills following a federal safety review - prompted after a teenager took the pills and needed dialysis for her liver. (nutraingredients.com)
• Keep in mind that green tea will not just help you to lose weight - it has an array of other health benefits as well. (lifehack.org)
• While green tea is not a silver bullet, it can help you to burn calories and fat and is a great addition to an otherwise health-conscious lifestyle and can help to make your weight loss goals easier to achieve. (lifehack.org)
• Many health-minded people avoid coffee due to the highly processed nature of the bean and increased levels of homocysteine, blood pressure and blood lipids which may offset the possible health benefits when comparing green tea directly with coffee. (wordpress.com)
• In contrast to green tea, coffee contains chlorogenic acid that helps modulate blood sugar levels to improve vascular health. (wordpress.com)
• From better skin, improved cardiovascular health, and the reduction of harmful free radicals in the body, green tea is considered an elixir in Asia and other parts of the world. (infobarrel.com)
• What's with all the hype about green tea health benefits? (o-cha.com)
• 2. Green tea has so many health elements. (japanesegreentea.in)
• The extracts are in part the result of a water based extraction method which begins with green tea leaves, and then involves successive steps which concentrate the catechins thought to be responsible for the health benefits of green tea. (wikipedia.org)
• Many studies on health benefits have been linked to the catechin content. (wikidoc.org)
• Studies have shown that green tea especially is a drink that may provide a variety of health benefits to those who consume it on a regular basis. (fsu.edu)
• In addition the general health benefits of drinking green tea, the catechins it contains may help individuals live longer. (fsu.edu)
• Antioxidants are something that all health-conscious individuals seek from such foods as raw fruits, green veggies, and (let's not forget) dark chocolate. (naturallivingideas.com)
• Catechins in green tea are known to have extensive health benefits. (rainbow.coop)
• Mukhtar, et al, have published a review of the health benefits of the tea plant (Camelia sinensis) that included green tea and black tea. (rainbow.coop)
• The polyphenols, a large group of plant chemicals that includes the catechins ( 4 ), are thought to be responsible for the health benefits that have traditionally been attributed to tea, especially green tea. (cancer.gov)
• Recently, world knew the green tea and discovered the great benefits of it in many fields of health especially losing weight and immunology. (hubpages.com)

Potent antioxidants2

• Considered potent antioxidants, catechins are being studied for their potential to prevent heart disease and cancer. (thefreedictionary.com)
• Researchers concluded that green tea provides a healthy dose of catechins that are potent antioxidants and exert anti-inflammatory properties that help lower stroke risk. (wordpress.com)

Teas5

• For a wide variety of high quality green tea products including capsules, extracts, liquids, powders and teas, Starwest is the place to go online. (herbal-supplements-guide.com)
• This book provides a comprehensive overview of the historical use of green tea in Japan and elsewhere, followed by a description of the many disease conditions against which these teas have preventive (protective) effects. (google.com)
• 4. Compared to other teas, how many polyphenols are in green tea? (japanesegreentea.in)
• While decaffeinated black teas had some catechins, they had no EGCG or ECG. (japanesegreentea.in)
• Decaffeination reduces the catechin content of teas ( 11 ). (cancer.gov)

Derivatives1

• He also notes that using either green tea extracts or their derivatives - as far in advance as 15 to 25 years prior to symptoms appearing - is one method of early intervention. (mercola.com)

Constituents5

• Various catechins and caffeine are constituents of FOSHU tea-based beverages. (scirp.org)
• You wouldn't drink two or three cups of green tea at once - so you shouldn't have a high dose of its beneficial constituents at once either. (mercola.com)
• This review article evaluates the results of these investigations on Green Tea and its constituents and the data and postulates future directions for this area. (scoop.it)
• Major biologically active constituents in green tea and red wine are tea catechi. (encognitive.com)
• Green tea, unlike black and oolong tea, is not fermented, so the active constituents remain unaltered in the herb. (geelawsonnutritional.com)

Amounts3

• Blood and urine levels of tea catechins after ingestion of different amounts of green tea by human volunteers. (aacrjournals.org)
• Green tea catechins are four molecules, high amounts of which are present in green tea and other sources. (blogrefugio.com)
• White and green tea contain similar amounts of EGCG but different amounts of other polyphenols ( 7 ). (cancer.gov)

Powerful antioxidants1

• My Catechins formula includes black currant and blueberry extracts high in powerful antioxidants, anthocyanins. (mercola.com)

Oolong4

• Oolong tea is semi-fermented tea and is somewhere between green and black tea. (nutraingredients.com)
• Based on the different processes in tea making, it is categorized as Green Tea, Black Tea, Oolong Tea, White Tea, Yellow Tea and Dark Tea. (botaniex.com)
• Unlike green tea, oolong tea is partially fermented, and black tea is fully fermented. (o-cha.com)
• Oolong tea contains a mixture of simple polyphenols, such as catechins, and complex polyphenols ( 2 ). (cancer.gov)

Carcinogenesis3

• Green tea catechin extract in intervention of chronic breast cell carcinogenesis induced by environmental carcinogens. (nih.gov)
• How green tea catechins protect against carcinogenesis is not entirely understood, but there are a few well supported hypotheses. (healthkismet.com)
• Considering the reversibility of epigenetic alterations in early carcinogenesis process, reversion (correction) of these modifications by green tea catechins could be a promising strategy for cancer chemoprevention and therapy. (current-molecular-medicine.com)

Synergistic1

• Various studies also indicate that several green tea polyphenols (GTPs) exert synergistic effects with other cancer chemotherapeutic agents. (current-molecular-medicine.com)

Free radicals3

• 3) Guarding Against Cancer - Studies point to green tea extract's ability to neutralize free radicals, chemicals that could damage cells. (herbal-supplements-guide.com)
• The first notion was that green tea catechins scavenge harmful free radicals, but it looks now as if that view is over-simplified. (healthkismet.com)
• Green tea can help do both, because it reduces weight and decreases the amount of free radicals in our body. (infobarrel.com)

Experimental3

• Epidemiologic and experimental studies have suggested that green tea components may be used as preventive agents for breast cancer control. (nih.gov)
• Experimental studies suggest a number of ways in which green tea catechins can reduce body fat and act as a weight loss aid. (dynamicchiropractic.ca)
• The experimental group consumed 3 cups of green tea daily for 14 weeks followed by a 2-week washout period. (hindawi.com)

Suggests1

• A recent study suggests that taking catechin-rich green tea supplements for one year may lower total cholesterol and LDL cholesterol levels in post-menopausal women. (naturecity.com)