Grape seed extract Details Product Name: Grape Seed Extract Botanical Name: Vitis vinifera L. Specification: 1. Proanthocyanidins 95%, 99% UV 2. Polyphenols 80%, 85%, 90%, 95% UV 3. Water soluble Proanthocyanidins 95% UV 4. Proanthocyanidins/ Oligomers 95%UV/ 60%HPLC