... of vitamin C. Main functions are as follows: (1)Anti-oxidation, scavenging free radical, preventing skin aging and UV radiation ... vascular and reducing the risk of cardiovascular disease.(4)Anti-cancer and preventing cancer. (5)Reliefing PMS problems, and alleviating wound, ... Application Proanthocyanidin is a new kind of natural and efficient anti-oxidant that can not be synthesized by human body, ...