proanthocyanidin
nounEtymology From pro- + anthocyanidin.
1
An antioxidant flavonoid with possible health benefits, found in many plant sources, including apples, bilberry, grapeseed, pine bark, and black chokeberry.
- Synonyms
- procyanidin oligomeric proanthocyanidin, OPC, pycnogenol, leukocyanidin, leucoanthocyanin