Product classification

Grape Skin Extract


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Product Description

Product Name Grape Skin Extract
Latin Name Vitis vininfera L.
Color Reddish-brown fine powder

5%-10% Resveratrol

30% Polyphenols

45% OPC

Test method HPLC/UV
Particle Size 100% pass 80 mesh
Heavy metals ≤20ppm
Loss on Drying ≤5%
Sulphated Ash ≤5%
Storage In cool & dry place.Keep away from strong light and heat
Shelf life 2 years when properly stored

When researchers compared diets in Western countries, they observed that, despite eating more animal fat, the incidence of heart disease in France remains low. The French paradox is supposed to be caused by the preventive effects of drinking red wine on a regular basis. Aside from the putative benefits of alcohol, such as reduced platelet aggregation and vasodilation, polyphenols (e.g., resveratrol) found mostly in grape skin give various hypothesized health benefits, including:


Molecular pathways in blood arteries are altered, reducing vulnerability to vascular injury.

Reduced activity of angiotensin, a systemic hormone that causes blood vessel constriction and so raises blood pressure.

Nitric oxide (endothelium-derived relaxing factor) production is increased.

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