Grape Seed Extract Vitis Vinifera L. Red Brown Powder Supplier
95% OPC (UV) polyphenols 95% 90% 85% 80% oligomeric proanthocyanidins 30%-70% [email protected]
Grape seed extract 8000-18000umol/g ,Water-soluble grape seed extract 8-10g/100ml purified water, room temperature 25 degrees.