Grape Seed Extract

Grape seed extract is an industrial derivative of whole grape seeds. The extract contains proanthocyanidins. Grape seed extract quality is measured by the content of procyanidins which are formed from proanthocyanidins.


Product name

Grape seed Extract

Botanical name

Vitis vinifera

Part of Plant Used


Product Code


Analytical method


Proanthocyanidins 95%



OPC 60%



Polyphenols 95%





*Customized specifications available upon request

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1.What is Proanthocyanidins?

Proanthocyanidins are a class of polyphenols found in many plants, such as cranberry, blueberry, and grape seeds. 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.

2.How Proanthocyanidins Works

As natural antioxidants, proanthocyanidins are used to stabilize food colors and to prevent rancidity due to oxidation of unsaturated fats as well as for chemoprevention of a variety of degenerative diseases. Also Proanthocyanidins are natural anti-aging nutritional supplements, which can effectively scavenge free radicals in the body and have much higher antioxidant capacity than vitamin E. Can make collagen can play a better role, moisturize skin, delay skin aging, beauty.

3.Benefits and Uses

1.Higher antioxidant, anti-aging

2.Improve capillary permeability and microcirculation

3.Certain effect of protecting vision, can reduce eye capillary bleeding.

4.Improve brain function, enhance memory

5.Protect the heart and cardiovascular system


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