Procyanidin 也称为condensed tannins，是在多种植物中发现的一类多酚。它们是非常强大的抗氧化剂，可以从细胞中去除有害的自由基。

Proanthocyanidins (PAs), also known as condensed tannins, are a class of polyphenols found in a variety of plants. They are very powerful antioxidants that remove harmful free oxygen radicals from cells.

4852-22-6

C30H26O13

594.52

DMSO:10 mM
Powder: -20°C for 3 years
In solvent: -80°C for 2 years