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Pine Bark Extract

Pine Bark Extract

Latin name: Pinus Larix
Part used: tree bark
Specification: 95% Proanthocyanidins (Oligomeric Proantho Cyanidins(OPC))
Grade:Food, Health Care Products&Cosmetics
Package:1kg/Bag, 25kg/Drum


Product Introduction

The main component of pine bark extract is proanthocyanidin oligomer, OPC in short with high water solubility, and there are more than 40 other water-soluble components, most of which are organic acids, including caffeic acid and protocatechu Acid, vanillic acid, ferulic acid, gallic acid, etc., as well as glucolipid and other biologically active ingredients useful to the human body. The refined pine bark extract is a fluid fine powder, slightly reddish brown, aromatic, and slightly astringent. It is very stable in a dry environment and can be stored in the dark for up to 5 years, of which only 10% of proanthocyanidins are lost.

Product Character

Basic information:pine bark extract

Latin name: Pinus Larix

Part used: tree bark

Specification: 95% Proanthocyanidins (Oligomeric Proantho Cyanidins(OPC)

Appearance: Reddish brown fine powder

Solubility : good in water

CAS NO.:4852-22-6

Test method: By UV

Molecular formula: C30H26O13

Molecular weight: 594.52

About Pine Bark:

Pine bark extract has been used in medicine, and the potent antioxidants and compounds (knowns as oligomeric proantho cyanidins OPCs) that help dilate blood vessels.

Pine bark, it is rich in proanthocyandins, a 100% water-soluble antioxidant flavonoids, which can scavenge free radical efficiently.

Function and Application of Pine Bark Extract:

1.Pine bark extract can help strengthen blood vessels, improve cardiovascular health increase circulation, so as to increase blood flow from tiny vessels to tissues, as well as improve delivery of oxygen to cells.

2.This extract can support healthy blood preasure and brain function, At the same time, the proanthocyanidins have the ability to improve the circulation and repair tissue in the body.

3.It has the antioxidant function, which can diminish the free radicals powerfully. Because antioxidants are thought to have a role in slowing the aging process and helping prevent chronic illness and disease including heart disease, stroke, arthritis, leg and ankle edema, Parkinson


As an antioxidant like vitamin E or vitamin C, a daily intake of 50ml OPCs is sufficient. Higher doses such as 150 to 300ml daily intake are mainly used to treat special diseases such as varicose veins.


OPCs have been tested in many ways for their safety and are considered non-toxic. There are few side effects, but occasional allergic reactions and mild indigestion have also been found. In any case, safe dosages for children, pregnant or postpartum women and other patients with liver and kidney diseases have not yet been established.

When used in large doses, OPCs may have certain anticoagulant properties and can only be used as a blood thinner under the supervision of a doctor. When using Comitin (warfarin), heparin, Xunrentai (pentoxifylline) or aspirin, high doses of OPCs may cause the risk of massive bleeding.

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