Bilberry Extract Blueberry Extract BBE Bilberr OPC Proanthocyanidins Procyanidins GSPE 274678-42-1

Proanthocyanidins are the general name of a large class of polyphenols widely found in plants. They have strong antioxidant and free radical eliminating effects, and can effectively eliminate superoxide anion free radicals and hydroxyl free radicals. They also participate in the metabolism of phosphoric acid and arachidonic acid and protein phosphorylation, and protect lipids from peroxidation damage. It is a powerful metal chelating agent, which can chelate metal ions and form inert compounds in the body. Protect and stabilize vitamin C, help the absorption and utilization of vitamin C. Proanthocyanidins are widely distributed in the skins, shells, seeds, cores, flowers and leaves of many plants, and grape seeds have the highest content of proanthocyanidins and rich species