Grape Seed Extract
Product Name: Grape Seed P. E. / Proanthocyanidin (OPC)
Botanical Source: Seed of Vitis vinifera L.
Appearance: Reddish-Brown Powder
Standard: Proanthocyanidin (OPC) UV
Specification: 95%
Test Method: UV-VIS
As its name implies, grape seed extract is derived from the small seeds (and occasionally the skins) of red grapes--the same kind that are pressed to make wine. Used extensively in Europe, grape seed extract is rich in flavonoids, phytochemicals that have antioxidant properties some consider even greater than the old standbys vitamin C and vitamin E. Antioxidants are believed to prevent and control numerous ailments by safeguarding cells against the ravages of unstable oxygen molecules called free radicals.
The most valuable flavonoids in grape seed extract are procyanidolic oligomers (also known as proanthocyanidins), commonly called PCOs. Beyond their antioxidant powers, PCOs are thought to improve blood circulation and help strengthen blood vessels. These actions benefit people with heart disease and cancer.
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