... : Vitis vinifera LSpecification: 1,Grape seed extract 95% Proanthocyanidins 2,Grape seed extract 95% Polyphenols 15% Monomers3,Grape seed extract 95% Proanthocyanidins Polyphenols ... : 10%-25%4,Water-Soluble Grape Seed Extract 95% Proanthocyanidins5,Grape seed extract 30% Proanthocyanidins6,Grape seed extract 30% Polyphenols Apperance: Reddish brown ...