... Origin: Vitis viniferaGrape seed Extract Specification: Proanthocyanidins(OPC) 95% UV Grape seed extract is just what it sounds like - an ... herbal extract. We possess a complete set of advance equipment for extraction,refinement,column chromatoraphy, condensation and desiccation. Our quality ... is well equipped with most advanced instruments,such as HPLC,UV,GC,AA etc. Action:1) Grape seed extract ...