What is Resveratrol?
Author: ajay kochhar
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 is found in the skin of red grapes and is a constituent of red wine, but apparently not in sufficient amounts to explain the French paradox. Experiments have shown that resveratrol treatment extended the life of fruit flies, nematode worms and short living fish but it did not increase the life span of mice.
Resveratrol (3,5,4′-trihydroxystilbene) is an isomeric polyphenolic phytoalexin. It is actually a stillbenoid produced as an action of stilbene synthase in the plant cells. 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-resveratrol is in the powder form, stable under “accelerated stability” conditions of 75% humidity and 40 degrees C in the presence of air.
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.
Tags: Health
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Resveratrol
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This work by heave-ho is licensed under a Creative Commons Attribution-No Derivative Works 3.0 United States License.
