• Latin Name: Pinus Pinaster
  • CAS No.: 90082-75-0
  • Active Ingredient: OPC, Oligomeric Proanthocyanidins, PCO Pine Proanthocyanidins Polyphenols
  • Specification: 95% OPC
  • Part Used: Bark
  • Test Method: UV-VIS
  • Appearance: red brown powder


The traditional use is for Chronic venous insufficiency. The active ingredient of pine bark is the proanthocyanidins. Proanthocyanidins in pine bark extract keep veins and other blood vessels from leaking and slow retinopathy. It also be used to treat arteriosclerosis and diabetes. Because pine bark extract has antioxidant activity, it helps to limit free radicals.


Pine bark extract could be helpful for individuals with coronary heart disease or high cholesterol.