• Berries of Actinidia kolomikta ( A. kolomikta ) are known for high ascorbic acid content, but the diversity of phenolic compounds has been little studied. (mdpi.com)
  • "There is recent evidence that some bioactive compounds, in particular polyphenols, phenolic acids and tannins (PPTs), can affect the shape of the blood glucose curve … Some studies have shown that these compounds may result in an altered pattern of intestinal glucose uptake, possibly due to interactions between compounds and sugar transporters," ​ said the authors. (nutraingredients.com)
  • Apples and strawberries, which are popular fruits for use juices, are high in flavonoids and phenolic acids, with Manzano and Williamson noting that compounds in strawberries include anthocyanins, flavonols, flavanols and ellagic acids. (nutraingredients.com)
  • Wounding and UVB Light Synergistically Induce the Biosynthesis of Phenolic Compounds and Ascorbic Acid in Red Prickly Pears ( Opuntia ficus-indica cv. (mdpi.com)
  • A large body of epidemiological studies has proven the bioactivities of phenolics in both standard compounds and natural extracts: namely, anticancer, anti-inflammatory, and antibacterial activities as well as reducing diabetes, cardiovascular disease, and neurodegenerative disease. (mdpi.com)
  • Forty-four phenolic compounds, including hydroxybenzoic and hydroxycinnamic acids and different flavonoids, were identified and quantified in 61 monovarietal Malbec wines from 11 geographical zones of Mendoza province, using a reversed phase high-performance liquid chromatography system coupled to a diode array detector (HPLC-DAD). (unboundmedicine.com)
  • Simulating the passive diffusion of biocompounds, samples were dialyzed after intestinal digestion to obtain bioaccessible phenolic compounds (BPC). (unav.edu)
  • The aim of this study was to evaluate the bioaccessibility of (poly)phenolic compounds in Tudela artichokes (Cynara scolymus cv. (unav.edu)
  • A total of 28 (poly)phenolic compounds were identified and quantified by LC-MS/MS in raw, boiled, sous vide and microwaved Tudela artichokes. (unav.edu)
  • Sous vide and microwaving caused mainly transesterification reactions of CQAs but maintained or even augmented the total (poly)phenolic contents of artichokes, while boiling decreased (poly)phenolic compounds by 25% due to leaching into the boiling water. (unav.edu)
  • EI-Sheekh MM, Ghareib MM, EL-Souod GW A (2011) IBiodegradation of Phenolic and Polycyclic Aromatic Compounds by Some Algae and Cyanobacteria. (omicsonline.org)
  • Tomatoes grown by organic methods contain more phenolic compounds than those grown using commercial standards, say researchers. (foodnavigator.com)
  • The study - published in the Journal of Agricultural and Food Chemistry - ​analysed the phenolic profiles of Daniela ​ tomatoes grown either using 'conventional' or organic methods, finding that those grown under organic conditions contained significantly higher levels of phenolic compounds than those grown conventionally. (foodnavigator.com)
  • Using liquid chromatography coupled to mass spectrometry, the team identified 34 different phenolic compounds in tomatoes, before comparing them. (foodnavigator.com)
  • 0.05) of phenolic compounds in organic tomatoes. (foodnavigator.com)
  • Furthermore, organic coffee beans showed higher content of bioactive compounds (total phenolic, phenolic acids and flavonoids) than conventional coffee beans. (springer.com)
  • The coffee beverage is a rich source of bioactive compounds especially polyphenols, such as phenolic acids, mostly chlorogenic (in green beans) and caffeic (occurring after roasting). (springer.com)
  • Qualitative analysis with high definition mass spectrometry identified compounds belonging to different chemical classes - mostly anhydrosaccharides, phenolic glucosides and other phenol derivatives. (lu.lv)
  • Pigments and total phenolic compounds were measured by spectrophotometry UV visible. (jscimedcentral.com)
  • Understanding how the chemical composition from berry to wine varies for different FRG cultivar is a prerequisite to significant improvements in wine quality, especially regarding key compounds such as phenolics. (jscimedcentral.com)
  • Phenolic compounds such as anthocyanins and flavanols significantly contribute to red wine color, mouth feel and oral persistence [7,8]. (jscimedcentral.com)
  • Phenolic compounds are mostly extracted from berry skin and seeds during winemaking [8,9], but their content in berries and wines varies significantly from one cultivar to another [10-12]. (jscimedcentral.com)
  • These properties are largely attributed to the phenolic compounds of olive leaves, including: caffeic acid, verbascoside, oleuropein, luteolin 7-O-glucoside, rutin, apigenin 7-Oglucoside, and luteolin 4′-O-glucoside. (priceplow.com)
  • Among non-flavonoids, gallic, cis-caftaric, trans-coutaric, and caffeic acids presented the higher concentrations in all of the samples, whereas trans-resveratrol glucoside was present at concentrations from 0.6 to 1.3 mg/L. For the flavonoids, (+)-catechin and (-)-epicatechin presented the higher concentrations among flavan-3-ols with a ratio (+)-catechin/(-)-epicatechin from 1.3 to 2.1. (unboundmedicine.com)
  • Out of these, sixteen were phenolic acids, specifically caffeoylquinic acids (CQAs) and other minor hydroxycinnamic acid derivatives, ten flavonoids belonging to the family of flavones (apigenin and luteolin derivatives) and two lignans (pinoresinol derivatives). (unav.edu)
  • Study of aqueous and hydroalcoholic extracts from Verbena officinalis yielded three iridoids, fifteen flavonoids and four phenolic acid derivatives. (stuartxchange.org)
  • Four flavonoids were reported for the first time: scutellarein 7-diglucuronide, scutellarein 7-glucuronide, pedalitin 6-galactoside and scutellarein 7-glucoside. (stuartxchange.org)
  • Polyphenols and phenolic acids from strawberry and apple may decrease glucose uptake by blocking transport through human intestinal cells, according to a new study. (nutraingredients.com)
  • The research, published in Molecular Nutrition & Food Research ​, suggests that some polyphenols, phenolic acids and tannins extracted from ​apples and strawberries may block the transport of glucose across intestinal tissues, potentially blunting post-meal glucose spikes. (nutraingredients.com)
  • They said that PPTs have the potential to "readily affect glucose absorption in the small intestine," ​noting that many polyphenols, phenolic acids and tannins can interact with certain sugar transporters - for example, inhibition of sodium-dependent glucose transporter 1 (SGLT1 - an active transport mechanism in which glucose is co-transported with sodium ion) or by inhibition of GLUT2. (nutraingredients.com)
  • Data indicate that the polyphenols, phenolic acids and tannins from strawberry and apple are potent inhibitors of GLUT2 and SGLT1 at concentrations predicted after dietary ingestion. (nutraingredients.com)
  • "The results obtained demonstrate that polyphenols, phenolic acids and tannin-rich extracts from strawberry and apple were able to influence glucose uptake into the cells and transport … by inhibiting activities of the glucose transporters," ​said the authors. (nutraingredients.com)
  • Results: Raw black rice, both washed and unwashed, had higher contents of polyphenols, anthocyanins, and cyanidin-3-glucoside (C3G), but lower protocatechuic acid (PA), than did cooked samples. (tmu.edu.tw)
  • LAB can also liberate hydroxycinnamic acids from their tartaric esters and have the potential to break down anthocyanin glucosides, thus impacting wine color. (frontiersin.org)
  • They analysed the profile differences for the content of flavonols (kaempferol-3- O ​-rutinoside, rutin, and quercetin), flavanones (naringenin and naringenin-7- O ​-glucoside), flavones (apigenin-7- O ​-glucoside), and hydroxycinnamic acids (ferulic, p ​-coumaric, caffeic, and chlorogenic acids. (foodnavigator.com)
  • Water-soluble organic solutes (carbohydrates, phenolic glucosides and organic acids) were determined at both predawn and midday, before and after rewatering. (usu.edu)
  • Other phenolic acids in coffee beans are: ferulic and p-coumaric. (springer.com)
  • Proanthocyanidins (also called condensed tannins) are, after lignin, the major phenolics in plant kingdom. (scirp.org)
  • The mass fractions of total phenolic com-pounds, anthocyanins and resveratrol (HPLC-DAD), as well as the antioxidant properties (DPPH · , · OH and ABTS + radical scavenging capacity) were determined. (researchgate.net)
  • An astilbin derivative and quercetin presented the higher concentrations for flavonols, whereas malvidin-3-glucoside and its derivatives were the major anthocyanins. (unboundmedicine.com)
  • Average values for ORAC, phenolics, and anthocyanins in fruit were 15.9 ORAC units (1 unit is 1 micromule Trolox Equivalent), 1.79 mg/g (gallic acid equivalents), and 0.95 mg/g (cyanidin-3-glucoside equivalents), respectively. (usda.gov)
  • Leaf ORAC had a low, but significant correlation with fruit phenolics and anthocyanins, but not with fruit ORAC. (usda.gov)
  • Acai extract contains anthocyanins (cyanidin 3-O-glucoside and cyanidin 3-O-rutinoside) and phenolics. (skinactives.com)
  • A hybrid form of intramolecular copigmentation and the production of malvidin 3-glucoside - 4-vinylphenol are presented as possible theories to explain the results. (lincoln.ac.nz)
  • Malvidin-3-O-(6-p-coumaroyl)glucoside is a p-coumaroylated anthocyanin found in grape and wine. (wikipedia.org)
  • Antioxidant capacity as measured by ORAC, total phenolic, and total anthocyanin concentrations were evaluated in fruit tissue of 87 highbush blueberry (Vaccinium corymbosum L.) and species-introgressed blueberry (V. x. corymbosum L.) cultivars. (usda.gov)
  • They added that their study is the first to show an inhibition of glucose transport across intestinal tissue by phenolic ​fruit extracts, and further characterize the contribution of individual phenolic components for their role in the inhibition of glucose transport. (nutraingredients.com)
  • Therefore, this study was performed in lyophilized SO samples before and after an in vitro digestion to obtain total phenolic content (TPC) by Folin-Ciocalteu assay and characterize its phenolic profile by HPLC-ESI-MS/MS with methanolic extracts. (unav.edu)
  • Cyanidin 3-glucoside and pelargonidin 3-glucoside were found at approximately 15-17 mg kg ‑1 FW and 221-301 mg kg ‑1 FW, respectively. (ishs.org)
  • It is proposed that the active site is the 3 carbon of the aromatic ring, where oxygen reacts to form a hydroperoxide, with a p K a of almost 2 units higher than that of phenolic lignin. (degruyter.com)
  • They observed that Quercetin-3- O ​-rhamnoside, phloridzin, and 5-caffeoylquinic acid contributed 26, 52 and 12 percent of inhibitory activity of the apple extract respectively, whereas only pelargonidin-3- O ​-glucoside was found to contribute to the total inhibitory activity in the strawberry extract. (nutraingredients.com)
  • In leaf tissue, values for both ORAC and phenolics were significantly higher than fruit tissue, with mean values of 490.4 ORAC units and 44.80 mg/g (gallic acid equivalents), respectively. (usda.gov)
  • The applicability of different enzymes such as glycosidases, glycosyltransferases, glycophosphorylases and glycosynthases have been de-scribed around the review article considering their advantages and disadvantages of these biocat-alysts in the stereoselective and regioselective synthesis of different types of glycosylated mole-cules, phenolic and aliphatic alcohols, oligosaccharides, polysaccharides, glycoderivatives, glyco-peptides and glycoproteins with a clear focus on food and pharmaceutical chemistry. (preprints.org)
  • The samples from Sambucus nigra L were analyzed to determine their total phenolic content (TPC), total flavonoid content (TFC), and antioxidant activity using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP). (researchgate.net)
  • For the first time the phenolic composition of Malbec wines from Mendoza province has been characterized. (unboundmedicine.com)
  • Rossouw M., et al (2004) The phenolic composition of South Africa. (phenol-explorer.eu)
  • ORAC and phenolic levels were evaluated in leaf tissue of the same materials. (usda.gov)
  • Total phenolic content, FRAP and ORAC activity of the three hybrids were approximately 1943-2214 mg GAE kg ‑1 FW, 19-25 mmol Fe 2+ kg ‑1 FW and 56-69 mmol TE kg ‑1 FW, respectively. (ishs.org)
  • Tubers and roots yield 5 α -stigmasten-3ß-ol, sitosterol-ß-D-glucoside, dioscin, prosapogenins A and B or dioscin, gracillin and quinines. (stuartxchange.org)
  • However, its low ethyl vanillin- α -glucoside yield and ability to hydrolyze ethyl vanillin- α -glucoside limits for industrial applications. (researchsquare.com)
  • The α -glucosidase (EC 3.2.1.20) Agl2 produced by Xanthomonas campestris shows high α -glucosyl transfer activity toward alcoholic and phenolic hydroxyl groups. (researchsquare.com)
  • First, the antifungal activity of P. pinaster phenolic extractives against wood decay fungi was studied. (irg-wp.com)
  • Phenolics, which are secondary metabolites of plants, exhibit remarkable bioactivities. (mdpi.com)
  • Two New Norphenylpropanoid Glucosides and Hemipholin from the Flowers of Ononis vaginalis' J. Braz. (edu.sa)
  • Phenolics also display anti-analgesic, anti-allergic, and anti-Alzheimer's properties. (mdpi.com)
  • 5. Ultrasonic-assisted extraction combined with sample preparation and analysis using LC-ESI-MS/MS allowed the identification of 24 new phenolic compounds in pecan nut shell [Carya illinoinensis (Wangenh) C. Koch] extracts. (nih.gov)
  • 10. Extraction Optimization, Antioxidant Capacity and Phenolic Profiling of Extracts from Flesh, Peel and Whole Fruit of New Zealand Grown Feijoa Cultivars. (nih.gov)
  • 11. Effect of Extraction Method on the Phenolic and Cyanogenic Glucoside Profile of Flaxseed Extracts and their Antioxidant Capacity. (nih.gov)
  • Different extracts of each berry were evaluated from the determination of total phenolic content, anthocyanin content and antioxidant capacity, and data were applied to the principal component analysis (PCA) to gain an overview of the effect of the solvent in extraction method. (biomedcentral.com)
  • Crude phenolic extracts contain complex mixtures of some classes of phenols, which are selectively soluble in the different solvents. (biomedcentral.com)
  • The total phenolic contents (TPC) and total anthocyanin contents (ACC) of the berry extracts are shown in Additional file 1 . (biomedcentral.com)
  • The researchers also found that the process of enriching the extracts can further concentrate the anthocyanins and phenolic compounds, which is useful both for industry and research purposes. (illinois.edu)
  • In the present study, the antiproliferative and proapoptotic effects of water extracts of Salvia fruticosa (SF) and Salvia officinalis (SO) and of their main phenolic compound rosmarinic acid (RA) were evaluated in two human colon carcinoma-derived cell lines, HCT15 and CO115, which have different mutations in the MAPK/ERK and PI3K/Akt signaling pathways. (anti-agingfirewalls.com)
  • The 2007 study Water and methanolic extracts of Salvia officinalis protect HepG2 cells from t-BHP induced oxidative damage states "The most abundant phenolic compounds present in the extracts were rosmarinic acid and luteolin-7-glucoside. (anti-agingfirewalls.com)
  • Phenolic composition, antioxidant and breast cancer antiproliferative activities of water and methanol/water derived extracts from olive pomace (OP) and dry olive mill residue (DOR), from Portuguese industries, were studied. (ua.pt)
  • These results demonstrate DOR extracts potential as source of phenolic compounds for nutraceutical applications, as food supplements, opening new strategies for its olive mill residues valorization. (ua.pt)
  • The most recognized flavonol is quercetin-3-glucoside. (wsu.edu)
  • During wine making and aging quercetin-3-glucoside is de-glycosylated and found as its aglycone form quercetin (figure 8). (wsu.edu)
  • The known quercetin-3-glucuronoside, quercetin-3-glucoside, quercetin-3-rhamnoside, and quercetin3-rutinoside were recorded. (ajevonline.org)
  • Besides these nutrients, flaxseed also contains bioactive phytochemicals such as lignans and phenolic glucosides. (progressivehealth.com)
  • One of these glucosides, ferulic acid glucoside, is partly (along with lignans) responsible for the medicinal use of the seed extract in the treatment of prostate tumors. (progressivehealth.com)
  • Two other minor metabolites of MPA have been identified: acyl glucuronide and phenolic glucoside. (medscape.com)
  • Calendula officinalis , Ribes nigrum , and Vaccinium myrtillus (CRV) possess a high phenolic compound content with excellent antioxidant activity. (mdpi.com)
  • The most basic phenolic compound is phenol (see figure 1). (wsu.edu)
  • Any compound that contains a constituent sugar, in which the hydroxyl group attached to the first carbon is substituted by an alcoholic, phenolic, or other group. (bvsalud.org)
  • Surprisingly, rutinosylation occurred both at the phenolic hydroxyl group of the acceptor and at the carboxyl group, which is an entirely unprecedented finding in glycosidases ( Fig. 3 ) ( Bassanini 2019 ). (cas.cz)
  • Moreover, antioxidant potential of phenolic compounds present in DORW extract was comparable to HT, and to butylated hydroxyanisole (BHA), a widely used food industry antioxidant. (ua.pt)
  • Phenolic compounds present in DORW extract also showed comparable tumor antiproliferative activity on MDA-MB-231, relatively to HT and 5-fluorouracil (5-FU), a well-known cytostatic agent. (ua.pt)
  • Olive leaf extract contains the active constituent oleuropein, a phenolic glucoside that helps maintain healthy GI and respiratory tract microorganism balance and may help boost immune function. (drguberman.com)
  • HPLC-ESI-MS analysis identified HT in both OP and DOR, whereas HT-1-glucoside, tyrosol, oleuropein aglycone isomers, verbascoside and oleuropein were only detected in DOR. (ua.pt)
  • The recombinant enzyme, which proved to have outstanding synthetic capabilities was used in transglycosylation reactions transferring rutinose from rutin as a glycosyl donor to various primary (saturated and unsaturated), secondary, acyclic, and phenolic alcohols ( Fig. 1 ). (cas.cz)
  • The chemical nature of phenolic compounds, the extraction method employed, the sample particle size, storage time and conditions, as well as the presence of interfering substances affect the efficiency of the extraction methods [ 11 ]. (biomedcentral.com)
  • as well as the highest total phenolic content (TPC) and hydroxytyrosol (HT) (similar to 25 mg/g extract). (ua.pt)
  • It is a minor constituent and like many other phenolics it is interesting to winemakers as an antioxidant but nothing further. (wsu.edu)
  • On the basis of achieved results and conducted statistical analysis (p0.05) it was shown how UAE resulted in shortening time of extraction, increased extraction capacity of phenolic compounds with utilisation of solvents with less amount of organic phase. (researchgate.net)
  • Some of these changes in phenolic compounds could potentially increase astringency, suggesting that MOX should be applied to Pinot noir and other low phenolic wines with caution. (oeno-one.eu)
  • Various global phenolic parameters of red wines were studied during the aging process (90 storage days). (oeno-one.eu)
  • However, after 90 aging days, in general the wines aged in contact with cherry wood tended to have the lowest values for several phenolic parameters. (oeno-one.eu)
  • La Torre G.L., Saitta M., Vilasi F., Pellicano T., Dugo G. (2006) Direct determination of phenolic compounds in Sicilian wines by liquid chromatography with PDA and MS detection. (phenol-explorer.eu)
  • 17. Dynamic Changes in Phenolics and Antioxidant Capacity during Pecan (Carya illinoinensis) Kernel Ripening and Its Phenolics Profiles. (nih.gov)
  • In our research, we compared around 60 cultivars of common beans from the south of Mexico, and these two varieties are three or four times higher than others in phenolic compounds and anthocyanins. (illinois.edu)
  • Extraction is the first step in analysis polyphenolic, which consists in isolation of phenolic compounds from plant materials. (biomedcentral.com)
  • PDF) Comparison of Conventional and Ultrasound Assisted Extraction Techniques on Mass Fraction of Phenolic Compounds from sage (Salvia officinalis L. (researchgate.net)
  • This primer will provide a short background on the principal phenolic components found in grapes and wine. (wsu.edu)
  • However, since wine is a complicated mixture of different phenolics, the health benefits derived from them could be from synergistic effects that are greater than the sum of the parts. (wsu.edu)
  • The MOX dosage rate did not significantly affect colour development, while the Pinot noir wine with higher phenolics benefited more from MOX, significantly increasing colour intensity and SO 2 resistant (polymeric) pigments. (oeno-one.eu)
  • The evolution of global phenolic parameters and the sensory profile of a Portuguese red wine aged for 90 days in contact with wood chips from different species were evaluated. (oeno-one.eu)
  • At the concentration used (3 g wood chips/L wine), the different wood chip species studied had no clear influence on the evolution of the majority of the red wine phenolic parameters. (oeno-one.eu)
  • Ridgeback prawns formed beta-D-glucosides in small quantities, preferring conjugation of p-nitrophenol and 4-nitro-m-cresol to form sulphates and unknown conjugates through a unique conjugation pathway. (nih.gov)
  • 3. Extraction of phenolic compounds from the shells of pecan nuts with cytotoxic activity through apoptosis against the colon cancer cell line HT-29. (nih.gov)
  • In addition, this byproduct of sour cherry processing is a good source of phenolic and antioxidant compounds, fat, protein, and dietary fiber. (hindawi.com)