• Antioxidants are molecular compounds that fight free radicals in your body, thus stopping or delaying harm to the cells. (vitacost.com)
  • Water-soluble derivatives of fullerene exhibit antiradical and antioxidant properties, and these compounds are regarded as potential candidates for radioprotectors. (biofullerene.com)
  • Antiinflammatory, antioxidant and anticancer activities reported to be possessed by these compounds might have resulted from prevention of oxidative damage [ 24 , 25 ]. (ijpsonline.com)
  • Antioxidant compounds are molecules that can inhibit or delay the oxidation of lipids or other biomolecules by inhibiting the initiation and propagation of oxidative chain reactions [ 29 ]. (ijpsonline.com)
  • So they seek out other compounds in the body and steal electrons to restore stability. (howstuffworks.com)
  • So they react quickly with other compounds to capture a second electron. (dogsnaturallymagazine.com)
  • Green tea contains a powerful antioxidant that may be the source of the beverage's benefits. (vitacost.com)
  • A fat-soluble carotenoid, recognized by the yellow, orange, and red pigments in vegetables and fruits, acts as a powerful antioxidant. (vitacost.com)
  • It had been recognized for its extremely powerful antioxidant properties. (modelwelt.net)
  • Now we have access to the most powerful antioxidant ever discovered. (modelwelt.net)
  • When some algae are stressed, they release a powerful antioxidant called astaxanthin. (dogsnaturallymagazine.com)
  • According to the National Cancer Institute, antioxidants are substances that your body uses to prevent damage to your cells. (greenfootsteps.com)
  • Benchmarked against other known antioxidant substances, the AP of KeraGuard was found to be several folds higher than that of resveratrol or green tea. (cosmeticsdesign-europe.com)
  • Antioxidants are substances that can prevent various harmful effects caused in the human body by active oxidants. (shapefit.com)
  • Antioxidants are substances that fight the aging process that goes on in your body. (udym.com)
  • Antioxidant substances combine with free radicals and neutralize them. (udym.com)
  • The body includes a complex antioxidant defense grid that relies on endogenous enzymatic and non-enzymatic antioxidants, acting at different levels. (bodyecology.com)
  • "To our knowledge, this is the first clinical investigation of the effects of green tea supplementation in endogenous antioxidant markers in obese participants with the metabolic syndrome," ​wrote researchers from Oklahoma State University and the University of Oklahoma. (nutraingredients-usa.com)
  • "Glutathione is an essential constituent of the endogenous antioxidant defense system," ​they explained. (nutraingredients-usa.com)
  • "Thus, our study provides novel evidence on the role of green tea catechins in increasing endogenous antioxidant capacity by selectively modulating endogenous antioxidant markers in the metabolic syndrome," ​ they concluded. (nutraingredients-usa.com)
  • It has been proposed that introducing tyrosine residues into human hemoglobin (e.g. βPhe41Tyr) may be able to reduce the toxicity of the ferryl heme species in extracellular hemoglobin-based oxygen carriers (HBOC) by facilitating long-range electron transfer from endogenous and exogenous antioxidants. (lu.se)
  • article{3b754337-9c40-4bb9-9b3f-7d78cf72497f, abstract = {{It has been proposed that introducing tyrosine residues into human hemoglobin (e.g. βPhe41Tyr) may be able to reduce the toxicity of the ferryl heme species in extracellular hemoglobin-based oxygen carriers (HBOC) by facilitating long-range electron transfer from endogenous and exogenous antioxidants. (lu.se)
  • To mitigate this mitochondria-related functional impairment, a variety of agents (including endogenous and food derived antioxidants, natural plants extracts, mitochondria-targeted molecules) combined with conventional therapies could be employed. (medscape.com)
  • Moringa species are well-known for their antioxidant, anti-inflammatory, anticancer, and antihyperglycemic activities. (frontiersin.org)
  • Samples of commonly utilized anticancer plants obtained from the chosen areas using physical and virtual oral seminars were studied for physiochemical composition and a possible antioxidant and cytotoxic potential to validate the basis for the use of the selected anticancer plants. (who.int)
  • The anticancer model's overal antioxidant activity (34.72 µg/mL) was slightly lower than quercetin (30.44 µg/mL) but higher than ascorbic acid (41.68 µg/mL). (who.int)
  • Studies comparing the antioxidant properties of Mediterranean food spices and common food additives have shown that extracts from oregano were more effective than butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) in inhibiting lipid peroxidation [ 11 ]. (hindawi.com)
  • Organic extracts in this gummy prevent electron dysfunction and reveres the process. (ipsnews.net)
  • In this study, phytochemical components and antioxidant capacity of extracts obtained from Iris taochia plant, which is endemic to Caucasus, were investigated. (ijpsonline.com)
  • These results shown that crude ethanol and water extracts of Iris taochia had effective reducing effect, radical scavenging activity and metal chelating effects when compared to standard antioxidants. (ijpsonline.com)
  • The results indicated that the ethanol and water extracts of Iris taochia could be used as a potential source of natural antioxidants by the pharmaceutical industry or as a conceivable food supplement. (ijpsonline.com)
  • These extracts showed a high antioxidant capacity by the method of DPPH, -carotene, and nitric oxide. (bvsalud.org)
  • Thus, this study demonstrated for the first time that the glycolic extracts of C. pachystachya have promising chemical and biological characteristics for the development of a multifunctional cosmetic with antioxidant and tyrosinase-inhibition activities. (bvsalud.org)
  • They include enzymatic and non-enzymatic antioxidant systems which work synergistically to prevent harmful effects of the by-products from aerobic metabolism. (scialert.net)
  • Mechanistic aspects of hydrogen abstraction for phenolic antioxidants. (manchester.ac.uk)
  • mechanistic aspects of hydrogen abstraction for phenolic antioxidants including electronic structure and topol. (manchester.ac.uk)
  • Dive into the research topics of 'Mechanistic aspects of hydrogen abstraction for phenolic antioxidants. (manchester.ac.uk)
  • abstract = "Density functional calculations using the B3LYP functional are used to provide insight into the hydrogen abstraction mechanism of phenolic antioxidants. (manchester.ac.uk)
  • Abstraction reaction (hydrogen, proton coupled electron transfer mechanism, Abstraction reaction enthalpy (hydrogen, Activation energy, Evans-Polanyi equation, Potential energy surface, Transition state structure (mechanistic aspects of hydrogen abstraction for phenolic antioxidants including electronic structure and topol. (manchester.ac.uk)
  • Plants are rich sources of phytochemicals such as saponin, tannin, flavanoids, phenolic and alkaloids, which possess a variety of biological activities including antioxidant potential. (intechopen.com)
  • 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)
  • The radioprotective properties of fullerenol were determined by examining the antioxidant enzymes activity in the hemolysate, the concentration of -SH groups, as well as by determining erythrocyte microviscosity. (biofullerene.com)
  • Overall, we point to the radioprotective effect of C 60 (OH) 36 manifested as the protection of the antioxidant enzymes of human erythrocytes against IR-induced damage, which has not been the subject of intense research so far. (biofullerene.com)
  • These minerals are the building blocks of antioxidant enzymes such as superoxide dismutase and glutathione peroxidase. (greenfootsteps.com)
  • Since antioxidants are good electron donors we investigated whether BHT might be metabolically activated to BHT-quinone methide by peroxidase enzymes. (cdc.gov)
  • These coenzymes play a necessary role in most of the major energy-producing biochemical processes in the body, acting as electron carriers for enzymes in oxidation-reduction reactions. (medscape.com)
  • Such dependant enzymes include those of the citric acid cycle, the mitochondrial electron transport chain, and several other pathways in the metabolism of carbohydrates, fats, and proteins. (medscape.com)
  • Selenium is a component of the antioxidant enzymes glutathione peroxidase and thioredoxin reductase (which indirectly reduce certain oxidized molecules in animals and some plants). (cdc.gov)
  • These features suggest that the phenol hydroperoxyl reactions proceed according to a proton coupled electron transfer (PCET) as opposed to a hydrogen atom transfer (HAT) mechanism. (manchester.ac.uk)
  • Antioxidants not only prevent the oxidation of various free radical reactions in the body but can also help to reduce damage caused by the active reactions of free radicals. (shapefit.com)
  • The energy-producing chemical reactions in our cells, for example, also produce free radicals -- unstable molecules that steal electrons from other molecules. (sciencedaily.com)
  • An antioxidant is a molecule capable of inhibiting the oxidation of another molecule, breaking the free radical chain of reactions. (prohealth.com)
  • Oxidative damage of DNA molecules associated with electron-transfer reactions is an important phenomenon in living cells, which can lead to mutations and contribute to carcinogenesis and the aging processes. (intechopen.com)
  • Low-Energy Electron Stimulated Reactions in Nanoscale Water Films and Water:DNA Interfaces. (routledge.com)
  • Redox Reactions of Antioxidants: Contributions from Radiation Chemistry of Aqueous Solutions. (routledge.com)
  • Oxidation and reduction reactions involve the transfer of electrons. (dentaleconomics.com)
  • Antioxidants terminate these chain reactions by removing free radical intermediates, and inhibiting further oxidation reactions. (dentaleconomics.com)
  • Flavoproteins are catalysts in a number of mitochondrial oxidative and reductive reactions and function as electron transporters. (medscape.com)
  • These conditions could potentially be treated or prevented by stimulating antioxidant transport into mitochondria," Birsoy says. (sciencedaily.com)
  • In cancer, we would want to prevent antioxidants from getting into mitochondria, and the transporter protein may be our way to do that," Birsoy says. (sciencedaily.com)
  • Additionally, we examined mitochondria morphology and cristae morphology using electron microscopy. (bvsalud.org)
  • This condition seems to be in part related to dysfunctional mitochondria that cause an increased electron "leakage" from the respiratory chain during oxidative phosphorylation with a consequent generation of reactive oxygen species (ROS). (medscape.com)
  • Antioxidant intervention is considered to inhibit reactive oxygen species (ROS) and alleviate hyperglycemia. (elifesciences.org)
  • SOD is an enzyme that alternately catalyzes the dismutation (or partitioning) of the superoxide radical into ordinary molecular oxygen and hydroperoxide, acting as an important antioxidant in nearly all living cells exposed to oxygen. (bodyecology.com)
  • CAT is a common antioxidant that converts hydrogen peroxide to oxygen and water in all living tissues. (bodyecology.com)
  • However, the over production of oxygen free radicals in sperm membrane decreases the antioxidant defense activity thereby leading to low sperm motility and viability, DNA fragmentation and protein denaturation. (scialert.net)
  • Oxygen has two unpaired electrons, making oxygen especially susceptible to free radical formation. (dentaleconomics.com)
  • Antioxidants include some vitamins and minerals, but to appreciate the value of antioxidants, you first need to understand the potential dangers of free radicals, a form of oxygen that has been chemically modified into a highly unstable substance. (howstuffworks.com)
  • We hypothesized that doping would increase toxicity and decrease antioxidant abilities as a result of increased oxygen vacancies and inhibition of +3 to +4 transition. (cdc.gov)
  • They are unstable as they possess a lone pair of electrons and become highly reactive. (bodyecology.com)
  • Loss of an electron results in an open or "dangling" bond, which makes the atom or molecule highly reactive. (dentaleconomics.com)
  • Polymers can only be imaged to a certain point with high-resolution transmission electron microscopy (HRTEM), because the bombardment of electrons used to form images breaks the sample apart. (materialstoday.com)
  • Researchers have discovered that antioxidants can help prevent the damage to conducting polymers caused by transmission electron microscopy. (materialstoday.com)
  • Adding antioxidants can push the resolution limit of polymer electron microscopy to reveal structures at smaller scales (blue) than could previously be observed (pink) in this false-color image. (materialstoday.com)
  • It turns out antioxidants, like those you'd find in berries, aren't just good for you but are also good for polymer microscopy,' Gomez said. (materialstoday.com)
  • They may provide that extra missing electron, or completely down the molecule. (greenfootsteps.com)
  • If the compound giving up its electrons is the fat and protein in an LDL-cholesterol molecule, the result is the formation of fatty lesions in the walls of the blood vessels -- the hallmark of atherosclerosis. (howstuffworks.com)
  • And they often just attack the closest stable molecule and steal its electron. (dogsnaturallymagazine.com)
  • They are unstable because they are missing an electron. (udym.com)
  • Utilizing the in-vitro studies as well as rats models, this manuscript illustrates the different regulatory mechanisms of exercise and antioxidant intervention on redox balance/redox state(s) that are linked to improved glucose control and thereby effective management of diabetes. (elifesciences.org)
  • TRA was visualized in vivo by nitroxide-enhanced MRI on anesthetized animals or in vitro by electron paramagnetic resonance spectroscopy on isolated tissue specimens. (nih.gov)
  • RÉSUMÉ Pour étudier les effets de la silymarine sur le développement folliculaire, nous avons recruté 40 femmes en bonne santé subissant une fécondation in vitro (FIV) en raison d'une infertilité masculine. (who.int)
  • It's a lab test designed to quantify the "total antioxidant capacity" (TAC) of a food. (vitacost.com)
  • Two biochemical parameters were analyzed in parallel: tissue total antioxidant capacity (TTAC) and plasma levels of matrix metalloproteinases (MMP). (nih.gov)
  • Moreover, we observed abnormal mitochondrial shape, disrupted cristae morphology, altered mitochondrial volume and lower antioxidant activity in gla-/- MU ZF. (bvsalud.org)
  • Turmeric contains curcumin, a substance with powerful anti-inflammatory and antioxidant properties. (healthline.com)
  • While curcumin has antioxidant effects, more studies are needed to confirm these benefits. (healthline.com)
  • Acetyl L-Glutathione, curcumin and coenzyme Q10 are well-known and well-researched antioxidant nutrients. (prohealth.com)
  • It then introduces new theoretical studies on the physicochemical and chemical stages that describe the behavior of electrons in liquid hydrocarbons and the high-LET radiolysis of liquid water. (routledge.com)
  • Noni leaf extract significantly increased physical endurance (swim time) of mice via improving lipid catabolism, carbohydrate metabolism, electron transport, antioxidant responses, energy production, and tissue glycogen stores. (noniresearch.org)
  • Aim: The present article aims to study and compare the antioxidant activity of aqueous solutions of leaves and flowers of Sambucus nigra L obtained at different exposure times and assess the antibacterial activity of these solutions against Escherichia coli ATCC 8739, Salmonella NCTC 6017, Listeria monocytogenes NCTC 11994, and Staphylococcus aureus ATCC 25093. (researchgate.net)
  • Studies examining the antioxidant activities of different forms of oregano (fresh, dry, and ready-to-use herb blend pastes) showed that oregano retains its strong antioxidant capacity in both fresh and dry form [ 2 ]. (hindawi.com)
  • It has powerful anti-inflammatory effects and is a very strong antioxidant. (healthline.com)
  • Natural antioxidants are in high demand for application as bio-pharmaceuticals, nutraceuticals and food additives. (intechopen.com)
  • Further, Nrf2 activity and downstream antioxidant proteins, such as heme oxygenase-1, were quantified via western blot and immunocytochemistry to elucidate important antioxidant pathways. (cdc.gov)
  • Your body generates its own line of defensive antioxidants, such as the cellular antioxidant glutathione . (vitacost.com)
  • As you age, your body produces damaged molecules, which activates the development of extra electrons in the body. (ipsnews.net)
  • Antioxidants are essential for full body health. (modelwelt.net)
  • Other antioxidants include coenzyme Q10, which the body requires to produce energy and uric acid, and is produced through the metabolism of DNA. (greenfootsteps.com)
  • Antioxidants come in various types and we need them in order to protect different organs in the body. (shapefit.com)
  • Antioxidant supplements, such as antioxidant tablets, capsules, and powders, are a way to boost antioxidant nutrients in the body, for improved function and health. (prohealth.com)
  • Your body naturally circulates a variety of nutrients for their antioxidant properties. (prohealth.com)
  • This is where supplements come into play: They offer a way to increase antioxidant nutrients in the body to support better health. (prohealth.com)
  • Antioxidants are produced by the body and are found in various foods and plants. (dentaleconomics.com)
  • And unlike other antioxidants, it never becomes a pro-oxidant in the body. (dogsnaturallymagazine.com)
  • [ 7 ] FAD is also a coenzyme needed for the functioning of the antioxidant enzyme glutathione reductase in its protection of cells against oxidative stresses, allowing for the measurement of the enzyme's activity in red blood cells to be among the methods for the assessment of riboflavin nutritional status. (medscape.com)
  • This study was conducted to identify the major constituents of the ethanolic Origanum vulgare extract and examine the cytotoxic, antioxidant, and antibacterial properties of the extract but more importantly the contribution of its specific major constituent(s) or their combination to the overall extract biological activity. (hindawi.com)
  • In conclusion, the oregano extract has cytotoxic, antioxidant, and antibacterial activities mostly attributed to carvacrol and thymol. (hindawi.com)
  • This study was carried out to identify the main components of Origanum vulgare from Mt. Parnon, Southern Greece, assess the cytotoxic, antioxidant, and antimicrobial properties of the oregano extract, and delineate the contribution of the extract's major components towards such effects. (hindawi.com)
  • Using cytotoxic and antioxidant studies, the study attempted to assess some of the commonly used medicinal plants used to cure cancer among Yoruba people in Ogun, Oyo, Osun, and Lagos (South-West, Nigeria). (who.int)
  • A Review of the Potential Roles of Antioxidant and Anti-Inflammatory Pharmacological Approaches for the Man. (medscimonit.com)
  • The A549 cells pretreated with nonlethal extract concentrations protected against hydrogen-peroxide-induced cytotoxicity, an antioxidant effect more effective than the combination of equimolar concentrations of thymol/carvacrol. (hindawi.com)
  • Reduced glutathione acts as the electron donor to the enzyme GPx that efficiently scavenges hydrogen peroxide, thus preventing cellular oxidative damage. (nutraingredients-usa.com)
  • Beetroot Juice Powder contains antioxidants that help to enhance stamina, support healthy blood pressure levels & boost metabolism, and promote weight loss. (ipsnews.net)
  • It includes antioxidants that help to promote healthy blood pressure levels, boost stamina, and accelerate metabolism. (ipsnews.net)
  • Ultrastructures of retinal vascular tissues were observed under transmission electron microscope, and pathology of retinal capillaries was examined using retinal vascular digest preparations. (nih.gov)
  • The antibacterial and antioxidant properties of oregano have been attributed mainly to carvacrol and thymol, which are the major components of its essential oil [ 7 ]. (hindawi.com)
  • It includes antioxidant properties which help infuse and reverse the electron dysfunction effects. (ipsnews.net)
  • Phytochemicals, found in plants, are currently being studied to determine the quality of their antioxidant properties. (greenfootsteps.com)
  • Ethoxyquin (EQ), a quinolone-based antioxidant, has demonstrated neuroprotective properties against several neurotoxic drugs in a phenotypic screening and is shown to protect axons in animal models of chemotherapy-induced peripheral neuropathy. (nature.com)
  • Antioxidants provide protection to living organisms from damage caused by uncontrolled production of ROS and concomitant lipid peroxidation, protein damage and DNA stand breaking. (intechopen.com)
  • The electrochemical ease of P1H 2 for the one-electron oxidation investigated by second-harmonic alternating current voltammetry strongly supports the two step mechanism for hydrogen transfer, resulting in the enhanced radical scavenging ability. (ewha.ac.kr)
  • Results: The infusions of fresh blossoms and fresh leaves of Sambucus nigra L had the highest antioxidant activity at the total contact time of 30 minutes (82.7 mmol TE/100 ml) and 35 minutes (36.5 mmol TE/100 ml), respectively. (researchgate.net)
  • Antioxidant activity. (bvsalud.org)
  • "Significant effects were observed in both green tea beverage and extract supplementation, when compared with the control group, in elevating whole blood glutathione concentrations and plasma antioxidant capacity in obese participants with the metabolic syndrome," ​ wrote the researchers. (nutraingredients-usa.com)
  • New research shows that the antioxidant, called EGCG, binds to a protein found on abnormal cells to dramatically slow vtheir growth. (vitacost.com)
  • Water-soluble antioxidants perform their actions in the fluid inside and outside cells. (vitacost.com)
  • To counter high ROS levels, cells have antioxidant mechanisms that reduce the excess ROS in the cell and keep the 'redox' (from reduction and oxidation) balance of the cell. (elifesciences.org)
  • Digital imaging, caries detection lasers, stem cells, digital impressions, and antioxidants are only some of the technologies that are contributing to the enhanced level of care that we can provide for our patients. (dentaleconomics.com)
  • Antioxidants aid in the prevention of oxidation, delaying some types of cell damage. (bodyecology.com)
  • But introducing butylated hydroxytoluene, an antioxidant often used as a food additive, to the polymer sample prevented this damage and removed another restriction on imaging conditions - temperature. (materialstoday.com)
  • Our work demonstrates that the beam damage can be minimized with the addition of antioxidants at room temperature. (materialstoday.com)
  • Not all antioxidants are present in all organs and they help protect them from damage, so we should try to consume them in the form of natural fruits and vegetables, in the form of supplements, or in the form of physical exercise to protect ourselves from various diseases. (shapefit.com)
  • Therefore, despite the apparent introduction of a new electron transfer pathway in the βLys66Tyr mutant, the heterogeneity, and susceptibility to oxidative damage argue against this mutant as a suitable starting material for a HBOC. (lu.se)