Grape Seed Extract 85% 95% Polyphenols(PP)/95% OPC(Proanthocyanidins index) Product name: Grape Seed Extract Specifications: 85% 95% Polyphenols(PP),95% OPC(Proanthocyanidins index) Grape seed extract 95% Proanthocyanidins Grape seed extract 95% Polyphenols 15% Monomers Grape seed extract 95% Proanthocyanidins Polyphenols >85% Monomers: 10%-25% Water-Soluble Grape Seed Extract 95% Proanthocyanidins Red wine extract 30% PolyphenolsAppearance: Reddish brown powder with grape fragrance, tastes astringent; Indication &Usage: Grape seed extract is widely used for its powerful anti-oxidant activity.