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Quick Details

  • Type: Herbal Extract
  • Variety: grape seed extract
  • Form: Powder
  • Part: Seed
  • Extraction Type: Solvent Extraction
  • Packaging: Drum
  • Place of Origin: Zhejiang, China (Mainland)
  • Grade: food/cosmetic/pharmaceutical grade
  • Brand Name: GREENSKY
  • Model Number: proanthocyanidin
  • Appearance: Fine Red Brownish Powdwer
  • Raw material: China
  • Specification: proanthocyanidins 95%,98% UV; polyphenol
  • Botanical source: Vitis Vinifera
  • Used part:: grape seed
  • Excipient:: not adding
  • Particle size: 100% pass 80 mesh
  • Extraction solvent: ethanol and water
  • Certificate:: GMP/ISO/HACCP/Kosher/HALAL
  • Shelf life: 2 years

Packaging & Delivery

Packaging Details 25kg/drum..
Delivery Time 5 days


 state owned company which specialized in herbal extract industry since  2004


1. Specification

** Series of grape extract:

Product NameSpecification
Grape leaf extractPolyphenols 18%, 30%, 50%
Grape seed extractProanthocyanidins (OPC) 95%, 98%
Polyphenols 75%, 80%, 85%, 90%
Resveratrol 0.5%, 5%
Grape skin extractPolyphenols 30%, 50%
Grape vine extractPolyphenols 30%
Resveratrol 0.5%, 5%


** typical specification of grape seed extract ---- proanthocyanidins 95% by UV

AppearanceFine Red Brownish Powder
NatureExtract From Grape Seed
Odor & TasteCharacteristic; Astringent and Bitter
Proanthocyanidins≥95% by UV
Loss on Drying≤5%
Bulk Density30~50g/100ml
Partical Size100% Through 80 Mesh
Heavy Metals< 5ppm
Lead(Pb)< 2ppm
Arsenic(As)< 2ppm
Cadmium(Cd)< 0.5ppm
Mercury(Hg)< 0.2ppm
T. Sulphites< 20ppb
Total Plate Count<1000CFU/G
Yeast and moulds<100 CFU/G


Apperance: Reddish brown powder with grape fragrance, tastes astringent;




Grape is produced originally in the caribbean area,and Asia Minor, planted in the warm areas of the northern hemisphere, especially in Europe and the south of Middle Asia. Proanthocyanidins in grape seed exeract is thiry to fifty times as effective as Vitamin C and Vitamin E with regard to anti-oxidation and that it can pass through the screen in blood and brain within the human body smoothly and protect the brain and neurosystem effecaciously, exterminating free radicals obviously, improving blood circulation, decreasing the blood viscosity and inhibiting heart disease and other illness. Besides, It can maintain the elasticity and water of the skin, delaying the appearance of the wrinkles.




Prduct name : Grape seed extract
Botanical name :Vitis vinifera L
Part used : Fruits
Package: 25kg/drum
Description : Reddish brown powder with
grape fragrance, tastes astringent;
Particle size: 80mesh
Loss on drying : ≤5.0%
Heavy Metals: ≤ 5ppm
Lead : ≤ 1ppm
Arsenic: ≤ 1ppm
Cadmium: ≤ 0.1ppm
Mercury: ≤ 0.1ppm
Total plate count: < 1000cuf/G
Yeasts and molds: < 100cuf/G
E.Coli: negative
Salmonella: negative
Staphylococcus: negative




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