... Packing size:25kg/Drum 7.Delivery:Prompt8. Water solubleDescriptiton:Grape seed extracts are industrial derivatives from whole grape seeds that have ... , flavonoids, linoleic acid, and OPCs. Product function:1.Grape seed extract is one of the most potent antioxidants found in ... nature.2.Grape seed extract contains a special class of water-soluble bioflavonoids ...