Grape Fruit Seed Extract


Specification:Proanthocyanidins 95%
Appearance:Red Brown Powder
CAS NO:84929-27-1
Molecular formula:C30H12O6
Molecular weight:468.42
Tested Method:UV
Solubility:Soluble in water and organic solvent
Payment method:T/T
Annual supply capacity:400 tons
Delivery time:Within 3 working days
Certificate:ISO, HALAL, KOSHER, etc
Grade:Food/Cosmetic grade

products detail

Product Introduction

Grape fruit seed extract is a strong product of Xi’ an Sost Biotech Co., Ltd which is a cosmetic ingredients manufacturer. Grape seed extract is a mixture of polyphenols extracted from the seeds of grapes, among which the most active is oligomeric proanthocyanidins, which is a new type of high-efficiency natural antioxidant that cannot be synthesized in the human body. Oligomeric proanthocyanidins are referred to as OPC. It is a polyphenolic compound that can only produce anthocyanin through hot acid treatment, and is currently internationally recognized as an effective natural antioxidant for scavenging free radicals in the human body. The product is generally reddish-brown powder, slightly odorous, astringent in taste, soluble in water and most organic solvents. Proanthocyanidins belong to plant polyphenols, and the molecules are formed by the condensation of catechin and epicatechin (gallic acid) molecules with each other.


1. Proanthocyanidins95% Polyphenols 40%-45%

2. Polyphenols 70%-90%

3. Oligomeric anthocyanins opc 30% polyphenols 40%


1.Beauty and skin care:

Grape seed extract has the effect of beauty and skin care. Grape seed has the reputation of "skin vitamin" and "oral cosmetic", it can protect collagen, improve skin elasticity and luster, whiten, moisturize, freckle, reduce wrinkles, keep skin soft and smooth, clear acne, heal scars.


Grape seed extract can penetrate deep into cells, fundamentally inhibit the release of the sensitizing factor "histamine", and improve the tolerance of cells to allergens. It can also remove allergenic free radicals, anti-inflammatory, anti-allergic, effectively regulate the body's immunity, and completely improve allergic constitution.

3.Radiation protection:

Grape seed extract can effectively prevent and reduce the damage of ultraviolet radiation to the skin, inhibit lipid peroxidation caused by free radicals, and reduce the damage to the skin and internal organs caused by radiation from computers, mobile phones, and televisions.

4.Lower blood lipids:

Grape seed extract is rich in more than 100 effective substances, of which unsaturated fatty acid - linoleic acid (a fatty acid that is essential but cannot be synthesized by the human body) accounts for 68-76%, ranking first in oil crops. It consumes 20% of cholesterol from unsaturated to saturated state, which can effectively reduce blood lipids.



1. Cosmetic raw materials:

It can be used to make creams, essences, masks, transdermal absorption preparations, nutrient solutions, etc which have the effect of anti-aging, whitening, antioxidant, detoxifying and maintaining skin vitality and radiance.

2. Raw materials of health products:

It can be used to make capsules, tablets, oral Liquids, etc which have the function of anti-aging and whitening.

3. Food additives:

High-quality grape seed extract has good solubility in water and ethanol. Its solution is transparent and is of bright color. The product has been widely added to beverages, wine and other foods.


Why choose us?

Xi’ an Sost Biotech Co., Ltd is a grape fruit seed extract manufacturer. We established in 2005 and has been on business for more than 17years. Our company fully meets international standards and has a production system and quality assurance system that can ensure the safety, efficacy and stability of our products. And we have professional person to offer after-sale service.





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