Proanthocyanidin (PAC), a kind of Polyphenol, is contained in plants, especially in fruits, wheat and beans and it is a main ingredient of Polyphenol in red wine. The lower molecular weight of PAC is especially called Oligomeric Proanthocyanidin (OPC).
Black soybeans contain a lot of OPC, which are absorbed in human bodies smoothly.
PAC has a structure composed of Catechin molecules as shown right.
PAC has several effects based on powerful antioxidant function as follows:
- Antiallergenic property
- Anticancer effect
- Cholesterol and Neutral fat lowering effect
- Anticaries effect
- Deodorant effect
- Melanin formation reducing effect
- Hair growth
- Prevention of cataract