Natural Giant Knotweed Extract/ Resveratrol 50%-99%




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Prodct Description

Natural Giant Knotweed Extract/ Resveratrol 50%-99%


Botanical Source:Polygonum cuspidatum Zucc

Part used: Root

Specification:50%-99% Resveratrol

Test Method:HPLC

Appearance:Off-white to white fine powder


1.What is Resveratrol

Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Resveratrol may also have alexin-like activity for humans. Epidemiological, in vitro and animal studies suggest that a high resveretrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.


2. Stability of Resveratrol

- Resveratrol can produce fluorescence under ultraviolet light.

- In the case of ferric chloride - potassium ferricyanide solution is blue, in the case of ammonia and other basic solutions red.

-Resveratrol is unstable to light.

3. Function & Application of Resveratrol

-Anti oxidation, delaying aging and resisting fatigue


- Adjusting cholesterol and reducing the risk of cardiovascular disease

-Inhibiting platelet aggregation and reducing the risk of heart disease,then further controll its developme



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