Oligomeric Proanthocyanidin
OPC, Pycnogenol, Leukocyanidin, Leucoanthocyanin, Proanthocyanidin, Leucocyanidins
Molecular Weight: 592.5
The antioxidant components of the skin are mainly derived from grapes, pine bark. Water-soluble substances, and the interstitial fluid that guards the extracellular and intercellular spaces of the organism [1]. It is a kind of flavonoid discovered in 1936 and named as Vitamin P. It is shown that its antioxidant capacity is 20 times that of vitamin C and 50 times that of vitamin E [2].
[1] 張麗卿,『優質保養品選擇策略』,聯經出版社,2003/07/10。
[2] Wikipedia, the free encyclopedia, http://en.wikipedia.org.
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2020-07-23

Pycnogenol 又译碧萝芷

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