Resveratrol is an active component extracted from Huzhang(Polygonum cuspidatum)
As early as the 1920's Dr. Johanna Brandt wrote a book proclaiming that grapes cured her of cancer. Since then it has been known that there are several beneficial substances in grapes (wine also of course) that assist in lowering cholesterol, reduce the risk of heart disease and have antioxidant abilities.
Transresveratrol (chemical formula 3,5,4'-trihydroxy-trans-stilbene) is mainly found in the Polygonurn cuspidaturn, known as Hu-Chang ,the roots of Polygonurn cuspidaturn Sieb. et Zucc.;(Polygonurn multiflorurn Thumb. )
Transresveratrol, (chemical formula 3,5,4'-trihydroxy-trans-stilbene), is found in any quantity in the skin of young unripe red grapes or Polygonum cuspidatum(some recent evidence suggests the skins of peanuts may be a third source). Polygonum cuspidatum produce transresveratrol to protect themselves after exposure to ultraviolet radiation, ozone or certain biologic agents. It functions as a ribonucleotide reductase inhibitor like Hydrea (Droxia, hydroxyurea), but potentially without the side effects of Hydrea.
It should be noted that another chemical exists within the Polygonum cuspidatum that is 3,5,4'-trihydroxy-cis-stilbene and that it can also be called resveratrol. However the -cis- version is not as active as the -trans- version that we offer.
Resveratrol is a natural compound with interest in nutritional phytotherapy, cosmetics, medical phytotherapy (as anti-tumour therapy adjuvant, anti-microbial effect on dermatophytes and some skin pathogenic bacteria), food (as antioxidant and free radical-scavenger), etc.
Other High level source of resveratrol: grape skin,mulberry,Yucca schidigera (endemic agavaceous plant in some desert regions),etc. |
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