Grape seeds contain polyphenols (GSP), which mainly include catechins and proanthocyanidins. The abbreviation of proanthocyanidin (OPC) is a kind of bioflavonoid with a special molecular structure. It is currently recognized internationally as a free antioxidant in the human body. The most effective natural antioxidant. It is generally a reddish-brown powder with a slight odor and astringent taste. It is soluble in water and most organic solvents.
【Product Name】Grape seed extract (proanthocyanidins OPC)
【English name】Grape Seed P.E
【Latin name】Vitis vinifera L.
[Product Source] The seeds are sifted out from the dried residue after juice extraction from mature grape fruits of the Vitaceae family.
【Active ingredients】Proanthocyanidins, polyphenols
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