[ Plant origin ] Vitis vinifera
[ Active ingredients] Proanthocyanidins, oligomer ,polyphenol
[Character] Red brown powder
[ Test method] UV/ HPLC
[Specification] Proanthocyanidins 90%, 95%
　　　　　　　Grape seed polyphenol 70%, 80%, 90%
　　　　　　　Oligomer 45%, 65%, 85%
　　　　　　　Water soluble grape seed extract