What is Proanthocyanidin powder (Grape seed extract)?

Proanthocyanidin powder (Grape seed extract) is erived from the ground-up seeds of red wine grapes; it is used to treat a number of diseases, it is a class of polyphenols found in a variety of plants. Chemically, they are oligomeric flavonoids. Many are oligomers of catechin and epicatechin and their gallic acid esters. More complex polyphenols, having the same polymeric building block, form the group of tannins.

Grape seed contains composed of a complex mixture of flavonoids, Vitamin E, linoleic acid, and phenolic procyanidins. These compounds can also be found in the skins and juices of the fruit. The OPC (oligomeric procyanidins) is usually the commercial reason why grape seeds are being extracted. It is the potent antioxidants that are believed to be 20 times greater than vitamin E and 50 times greater than vitamin C.

Proanthocyanidin powder (Grape seed extract) benefits

  • Effective in treating heart disease.
  • Anticancer and cancer chemopreventive potential.
  • The potential to increase the speed that wounds heal.
  • Improve bone strength.
  • Anti-Candida activity.
  • Potentially protect the blood vessels from becoming damaged, which may prevent high blood pressure.
  • Preventing cognitive decline function.


AppearanceFine Reddish Brown Powder
TasteAstringent and Bitter
Particle Size100% Pass 80 Mesh
Bulk Density40~70g/100ml
Loss on Drying≤5.0%
Heavy Metals≤10ppm
Total Plate Count≤1000cfu/g
Yeast and Mold≤100cfu/g
Sum of PAH4(Pbenzo[a]pyrene),chrysene, benz[a]anthracene and benzo[b]fluoranthene≤50ppb

Shelf Life

2 Years


Store in tightly sealed containers in cool and dry place, away from moisture, light, oxygen.


  • Packed in paper-drums and two plastic-bags inside. N.W:25kgs .I.D.35×H51cm.
  • 1Kg/Bag, aluminum foil bag vacuum packing.
  • Sample, double sealed water plastic bags inside with the aluminum bag outside.

Where to buy OPC Proanthocyanidin powder (Grape seed extract)?

Just send an email to [email protected], or submit your requirement in bottom form, we are of service at any time!