what is polyphenol
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The Disease-Fighting Power of Polyphenols Polyphenol: A kind of chemical that (at least in theory) may protect against some common health problems and possibly certain effects of aging.Polyphenols act as antioxidants. They protect cells and body chemicals against damage caused by free radicals, reactive atoms that contribute to tissue damage in the body.olyphenol: A kind of chemical that (at least in theory) may protect against some common health problems and possibly certain effects of aging.
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Antioxidant effect of polyphenols and natural phenols Blackberries are a source of polyphenol antioxidants. A polyphenol antioxidant is a type of antioxidant containing a polyphenolic substructure. Numbering over 4,000 distinct species, many of these compounds have antioxidant activity in vitro but are unlikely to have antioxidant roles in vivo. Rather, they may affect cell-to-cell signaling, receptor sensitivity, inflammatory enzyme activity or gene regulation.
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How to Boost Your Intake of Polyphenol Antioxidants 1 Tea and coffee are very rich sources certain types of polyphenols. Choose caffeinated tea and coffee, as the decaffeination process may remove polyphenols along with the caffeine.  Drink red wine and beer instead of other alcoholic beverages.
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Scientists question benefits of polyphenols Scientists question benefits of polyphenols. Polyphenols, antioxidants linked to a long list of health benefits, may not be so good for you when taken in larger doses found in supplements and foritified foods, researchers have said.
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Polyphenol Polyphenols (noun, pronunciation of the singular /pɒliˈfiːnəl/ or /pɒliˈfɛnəl/; also known as polyhydroxyphenols) are a structural class of mainly natural, but also synthetic or semisynthetic, organic chemicals characterized by the presence of large multiples of phenol structural units.
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Foods High in Polyphenols Grains, Beans and Nuts. Rye and other whole grains found in breads, rolls and cereals contain various levels of polyphenols. Soybeans top the list of beans, while other beans contain minimal to moderate amounts. Peanuts are also listed as a good source of this antioxidant.
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- Definition of AMINOPHENOL. 1. : any of three crystalline compounds NH2C6H4OH derived from phenol, distinguished as ortho-aminophenol, meta-aminophenol, and para-aminophenol, and used as dye intermediates, the para compound being also used as a fur and hair dye and as a photographic developer.
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The Disease-Fighting Power of Polyphenols As shown above, nature’s bounty of polyphenols have beneficial effects that combat free-radical damage and other degenerative processes, thereby potentially lowering the risk of cardiovascular disease, endothelial dysfunction, high blood pressure, diabetes, cancer, and allergic conditions.
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How to Boost Your Intake of Polyphenol Antioxidants Choose richly hued fruits, vegetables, and whole grains. Rich colors such as reds and purples or black indicate that plant foods are excellent sources of polyphenols. Choose foods such as blueberries, pomegranates, red grapes, cranberries, and red or purple sweet potatoes. Blueberries as well as foods such as black rice, purple barley, black sorghum, and purple potatoes are sources of anthocyanins, as well as other polyphenols.
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Polyphenol Plant-derived polyphenol, tannic acid, formed by esterification of ten equivalents of the phenylpropanoid-derived gallic acid to a monosaccharide (glucose) core from primary metabolism.
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Diet and Alzheimer's Disease Risk Factors or Prevention Red wine polyphenols are a complex mixture of flavonoids (such as anthocyanins and flavan-3-ols) and nonflavonoids (such as resveratrol, cinnamates and gallic acid). Flavan-3-ols are the most abundant, with polymeric procyanidins (condensed tannins) composing up to 50% of the total phenolic constituents [29].
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Polyphenol According to a 2005 review on polyphenols: The most important food sources are commodities widely consumed in large quantities such as fruit and vegetables, green tea, black tea, red wine, coffee, chocolate, olives, and extra virgin olive oil.
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How to Boost Your Intake of Polyphenol Antioxidants Beverages are concentrated, easily absorbed sources of polyphenol antioxidants. Choose fruit juices that do not have added sugar. Pure pomegranate, blueberry, red grape, and unfiltered apple juice or cider are excellent choices. Tea and coffee are very rich sources certain types of polyphenols.
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Polyphenol Herbal teas contain soluble polyphenols which impart astringent effects thought to have medicinal properties. In the Ayurveda system of folk medicine, the pomegranate and its polyphenol-rich peel are assumed to be useful for therapy.
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Phenols In organic chemistry, phenols, sometimes called phenolics, are a class of chemical compounds consisting of a hydroxyl group (—OH) bonded directly to an aromatic hydrocarbon group. The simplest of the class is phenol, which is also called carbolic acid C. 6H.
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The Disease-Fighting Power of Polyphenols Mechanisms underlying these health benefits of tea polyphenols may include antioxidant activity, and effects on enzymes that metabolize drugs and that are involved in regulation of cell growth and reproduction.
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Polyphenols Your Chocolate fix contains a type of polyphenol called flavanols which are found in the highest concentrations in cocoa powder. But adding things (like the milk, and fats found in chocolate) to cocoa powder may negate the health benefits of the flavanols, so while cocoa is better than chocolate.
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Phenolic Phenolic is an adjective and a substantive (noun) that may apply to : Phenol (or carbolic acid), a colorless crystalline solid and aromatic compound. Phenols, a class of chemical compounds that include phenol. Phenolic paper, a type of cardboard used for printed circuit boards.
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Bisphenol A Bisphenol A (BPA) is an organic synthetic compound with the chemical formula (CH 3) 2 C(C 6 H 4 OH) 2 belonging to the group of diphenylmethane derivatives and bisphenols, with two hydroxyphenyl groups. It is a colorless solid that is soluble in organic solvents, but poorly soluble in water.PA is employed to make certain plastics and epoxy resins. BPA-based plastic is clear and tough, and is made into a variety of common consumer goods, such as water bottles, sports equipment, CDs, and DVDs.
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Polyphenols: food sources and bioavailability Plasma concentrations reached after polyphenol consumption vary highly according to the nature of the polyphenol and the food source. They are on the order of 0.3–0.75 μmol/L after consumption of 80–100 mg quercetin equivalent administered in the form of apples, onions, or meals rich in plant products (90, 92, 107).
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Shared Flashcard Set an economic principle which states that as production shifts from making one good or service to another, more and more resources are needed to increase production of the second good or service.
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Phenol Phenol is used primarily in the production of phenolic resins and in the manufacture of nylon and other synthetic fibers. It is also used in slimicides (chemicals that kill bacteria and fungi in slimes), as a disinfectant and antiseptic, and in medicinal preparations such as mouthwash and sore throat lozenges.
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- Definition of crotchety. 1  1 : given to crotchets (see crotchet 2a) : subject to whims, crankiness, or ill temper a crotchety old man a crotchety critic. 2  2 : full of or arising from crotchets a crotchety style Crotchety twilight-of-life drama.
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How are polyphenols good for my health? Polyphenols are plant chemicals rich in antioxidants, which can reduce inflammation in the body and promote heart health. Watch nutritionist Janet Brill, PhD/RD, discuss the benefits of polyphenols, and how they are found in wine and chocolate.olyphenols are a group of antioxidant compounds derived from plants -- notably found in coffee -- that can protect our cells and reduce inflammation in the body.
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Foods High in Polyphenols Rye and other whole grains found in breads, rolls and cereals contain various levels of polyphenols. Soybeans top the list of beans, while other beans contain minimal to moderate amounts. Peanuts are also listed as a good source of this antioxidant. Several servings of whole grain should be eaten each day, with beans and nuts added several times a week.
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Polyphenol Polyphenols are also found in animals. In arthropods such as insects and crustaceans polyphenols play a role in epicuticle hardening (sclerotization). The hardening of the cuticle is due to the presence of a polyphenol oxidase. In crustaceans, there is a second oxidase activity leading to cuticle pigmentation.