Usage: Grape Seed Extract (proanthocyanidins) is a new type of powerful anti-oxidant, the most strong free radical scavengers discovered today, the absorption is fast and complete. As health food raw material, it can be made to preparation for health care; In cosmetic, it increases elasticity the skin and prevent skins aging; High quality OPC has good solubility in water and ethanol and good appearance, good effect, so it is used in drink and brewery; as strong natural anti-oxidant, it is used in regular food such as cake, cheese, as food supplement; also as natural preservative substitutes synthetic one, suitable for man kind demand of nature, improve the safety of food.