RESVERATROL: NOT ONLY BUT ALSO ANTIOXIDANT ANTI OBESITY
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Resveratrol, in addition to being an antioxidant and protective against cardiovascular disease, also has anti-obesity properties: to support the properties of resveratrol, a natural compound present in grapes, is a study published by researchers at the University of Texas Health Science Center in San Antonio (Texas) in the Journal of Biological Chemistry.
Resveratrol, the researchers explain, stimulates the expression of adiponectin, a hormone that provides the storage of fat, "Adiponectin has a wide range of beneficial effects on the medical complications associated with obesity," said Liu Feng, a professor pharmacology and member of the Barshop Institute dell'UT Health Science Center, who oversaw the research. The study, conducted in the laboratory of cellular and animal models, confirmed the researchers 'hypothesis: adiponectin has anti-obesity and anti-aging, as well as having been shown to counteract the onset of type 2 diabetes, facilitating' insulin activity.
"The results of this study should be of great interest to all those who are obese or suffer from diabetes, but also for anyone who is approaching the age of retirement - Liu continues - and dovrovrebbero also provide important information for the development of new drugs therapeutic for the treatment of these diseases. " Resveratrol is found especially in the skin of grapes and wine, to a greater extent in the red.
Factors influencing the content of resveratrol in wine:
COLOR: in the production of white wine fermentation takes place without the contact of the must with the skins (fermentation in white). Since that resveratrol is present in the skin of grapes, the content of the substance is lower than in white wines to red wines, usually produced by fermentation on the skins.
GEOGRAPHICAL ORIGIN: wines produced at high altitudes seem to have a higher content of resveratrol (This substance protects the plant from UV rays). The latitude does not seem to significantly affect the concentration of the substance.
VINTAGE: climatic conditions which favor a slight fungus attack increase the synthesis of resveratrol in plant
FERTILIZATION: the concentration of resveratrol in grapes increases with decreasing nitrogen fertilization.
Speaking of wine and resveratrol rossso, we like to finally remember the so-called "French paradox": it has been noted that the French population in the south of France, with power similar to that of some regions of England would be less prone to medical problems of nature cardiovascular, precisely because of higher consumption of red wine.
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