Name Grape Seed Extract Botanical Name Vitis vinifera L. Source Any of various vitaceae of grapes which are liana native to temperate zone and subtropical zone, having alternate leaves and elliptical and spherical berries, composed of grape skin, juice and seed, become mature between Sep. And Oct. The grapes are grown in every place of China. Used Part Grape Seed Active Ingredient Oligomeric Proanthocyanidins( OPC ) Polyphenol(PP) Specification 95%(OPC) 85%(PP) Appearance: Red-brown fine powder Solubility: Soluble in ethanol & water Function Scavenges free radical Enhances capillary strength and vascular function Prevents cardiovascular disease Increases peripheral circulation and improves vision Enhances immune resistance Reduces adverse allergic and inflammatory responses Reduces aging and loss of elasticity in skinUsage Medicine Dietary supplement and beverage