oligomeric proanthocyanidin complexes

oligomeric proanthocyanidin complexes,

References in periodicals archive ?
In their bound form, they have come to be known as oligomeric proanthocyanidin complexes, or OPC's.
Stafford noted that in 2002, supplements with oligomeric proanthocyanidin complexes, the main antioxidants in pine bark extracts, were the fourth-highest selling herbal supplement in the United States.