resveratrol


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resveratrol

(rĕz-vîr′ĭ-trôl′, -trŏl′, -trōl′)
n.
A polyphenolic compound, C14H12O3, that is found in grapes, mulberries, peanuts, and other plants or food products, especially red wine, has antioxidant and anti-inflammatory properties, and may protect against cancer and cardiovascular disease.
A naturally occurring phytoalexin and antioxidant produced by some higher plants—e.g., grapes (Vitis vinifera)—in response to injury or fungal infection

resveratrol

Nutrition A phytochemical in grapes which may be partly responsible for the health benefit attributed to red wine. See Red wine.

resveratrol

A molecule present in plants that has been shown to activate SIRTUINS in animals in a manner similar to the effect of calories restriction. Resveratrol enhances vitality and extends life span in worms, fruit flies and some fish. It also diminishes the malign effects of a high-calorie, high-fat diet in mice, protects against insulin resistance and diabetes, and improves cognition.
References in periodicals archive ?
Resveratrol is best known as a life-extending chemical, at least in lab organisms.
Sales Manager Matthew Byron explained: "The trans-resveratrol which is the active ingredient in Feel Good Gold's Resveratrol Complex is the only form of resveratrol that can be effectively absorbed and used by the human body.
Shetty, PhD, and associates divided 23-month-old rats to receive resveratrol or a placebo for four weeks.
Purpose: In this study, we aimed to explore the mutual transformation between polydatin and resveratrol in rats, and to compare the antioxidative effect of them in vivo.
Yet some research shows that resveratrol could be linked to a reduced risk of inflammation and blood clotting, both of which can lead to heart disease.
This stress response represents a layer of biology that has been largely overlooked, and resveratrol turns out to activate it at much lower concentrations than those used in prior studies," said senior investigator Paul Schimmel, professor and member of the Skaggs Institute for Chemical Biology at TSRI.
Lead researcher Professor Richard Semba, from Johns Hopkins University in Baltimore, USA, said: "e story of resveratrol turns out to be another case where you get a lot of hype about health bene-ts that doesn't stand the test of time.
org/news/media/releases/diets_rich_in_antioxidant_resveratrol_fail_to_reduce_deaths_heart_disease_or_cancer) John Hopkins University indicated resveratrol present in chocolates and red wine is not responsible for improving longevity.
Lead researcher Professor Richard Semba, from Johns Hopkins University in Baltimore, US, said: "The story of resveratrol turns out to be another case where you get a lot of hype about health benefits that doesn't stand the test of time.
Also found in blueberries, cranberries, mulberries, peanuts and pistachios, resveratrol is associated with beneficial health effects in aging, inflammation and metabolism.
Extending lifespan was the source of a lot of the initial excitement about resveratrol," says researcher Joseph Baur of the University of Pennsylvania's Institute for Diabetes, Obesity, and Metabolism.
Since the 1990s, scientists have known that resveratrol moderates nuclear factor-kappa B (NFKB), a master switch of cytokine gene expression in cell culture.