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  • Grape Skin Extract Technical Data Sheet

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Grape Skin Extract


Vitis vinifera L.


Polyphenols 25%, 30% UV



  • Grape Skin Extract Data Download

  •  Certificate of Analysis 

  •  Specification Sheet 

  •  Material Safe Data Sheet

  • Third Party Lab Test Report

  • What's Grape Skin


Grape skin extract is rich in polyphenols, a compound that is high in antioxidants which help protect cells from free radical damage and also promote healthy blood circulation.


Grape skin contains high concentrations of the substance, resveratrol, and health industry researchers have found that this substance may be the key to its source as an antioxidant that may help in the prevention of serious infection. According to Northwestern University, the significant amount of resveratrol naturally present in grape skin has demonstrated potentially beneficial properties, including antioxidant, anticoagulant, anti-inflammatory and anticarcinogen effects.


Resveratrol is a phenolic compound that has been found to have strong antioxidant activity. Resveratrol has been shown to reduce the oxidation of LDL cholesterol, total cholesterol and the risk of cardiovascular disease.


Model No.: GRS   

Product Name: Grape Peel Extract Powder

Botanical Name: Vitis vinifera L.


1. Polyphenols 25%, 30% UV

2. Resveratrol 5%, 10% HPLC



1. Prevent skin aging and inhibit UV radiation.

2. Enhance capillary strength and vascular function.

3. Penetrate the blood-brain barrier to help protection of the brain and nerve tissue from oxidation.

4. Alleviate PMS problems, brusing and edema from injury or trauma, varicose veins, leg swelling and retinopathy.


Assay: Polyphenols 30% by UV

Appearance: Reddish Brown Powder

Particle Size: 100% through 80 Mesh

Loss on Drying: < 5.0%

Heavy Metals: < 20ppm

Arsenic(As): < 2ppm

Lead(Pb): < 2ppm


Total Plate Count: < 10,000cfu/G

Yeast & Mold: < 1,000cfu/G

E.Coli.: Negative

Salmonella: Negative


a. The raw material is 100% natural, no additive added during products. Huge stock for the raw material, and finished products.


b. Full specifications, we can supply all the specifications.


c. Our special advantage is to produce goods conformed to the European market. European market is our main market, and we enjoyed a good reputation in Europe. Our heavy metals(As, Pb, Cd, Hg), Microbiology, Pesticide, etc. are well controlled.


d. Equipped with the most advanced extraction unit, and HPLC, UV, GC, AA. We are also in cooperation with many third party LAB to control the goods, such as SGS, PONY, CHROMADEX, etc..