Grape Seed Extract

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Latin Name: Vitis Vinifera L.
Common Name: Grape
Part Used: Seed,
Backgroud:
Proanthocyanidins, also known as condensed tannins, are a class of biologically active flavonoids that has been called ?uper antioxidants? Typically concentrated in the bark of trees and in the outer shells of seeds, proanthocyanidins serve to protect plants against oxidative elements such as oxygen and sunshine. Grape seeds are a particularly rich source of proanthocyanidins.The seeds (skin) left over from the production of wine or juice are harvested, ground and extracted. Since French researcher, Dr. Jack Masquelier isolated OPCs from peanut skin in 1947, OPCs is found in many plants and has been declared to be a potent antioxidant of non-toxic, non-mutagenic, non-carcinogenic, and free of side effects according to a review of numerous researches.
Key Active Ingredients:
Proanthocyanidins from Grape Seed are made up of proanthocyanidin monomers. In grape seed extract there are basically two proanthocyanidin monomers called catechin and epicatechin. Each of them binds at either the alpha or beta position on their molecular structures to form oligomers or polymers. In addition, catechin and epicatechin can also form numerous esters from gallic acid as well as various glycosides and peptides.

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