Author: marryjones777
Resveratrol is a natural phytolexin produced by the plantts when under attack from pathogens like bacteria and fungi. Resveratrol is sold as a nutritional chemical supplement. Chemically resveratrol is the phytolexin that can be derived from Japanese Knotweed. Primarily it is an essential component in th berries and grapes.
Resveratrol ultra is found in the skin of red grapes. It is a vital constituent of red wine but not available in a very good amount in redwine. Though it is very concentrated in proportion. It is treated often as the best French secret. French people are blessed with glowing blemish free skin because of this amazing ingredient of red wine. It has been shown in the researches that resveratrol can also extend the life of skin cells.
Resveratrol chemically is a polyphenolic phytolexin ( 3,5,4- trihydroxystilbene) . It is a derivative of stilbene, stilbenoid and produced in plants as result of the actiion of stilbene synthase.
It exists in two isomeric forms cis(Z) and Trans (E), It exists as two geometric isomers: cis- (Z) and trans- (E). The trans- form can undergo isomerisation to the cis- form when exposed to ultraviolet irradiation.
Trans resbveratrol is a very stable compound with accelerated stability conditions of 75% humidity and 40 degrees C in normal air preesure. Resveratrol content also stayed stable in the skins of grapes and pomace taken after fermentation and stored for a long period.
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About the Author:
Reema Jones
Article Source: ArticlesBase.com - Resveratrol Contents
