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Quick Details

  • Type: Herbal Extract
  • Variety: giant knot weed extract
  • Form: Powder
  • Part: root
  • Extraction Type: Solvent Extraction
  • Packaging: Drum
  • Grade: A
  • Brand Name: GREENSKY
  • Model Number: GS025

Packaging & Delivery

Packaging Details 25kg/drum
Delivery Time prompt deliver


Resveratrol 98% HPLC
White Fine Powder
High quality

Giant Knotweed Extract



Product Specification: 20%-98% Resveratrol(HPLC)

Latin Name: Polygonum cuspidatum Sieb. et Zucc.

Botanical Source: Rhizome


CAS Number
 Polygonum cuspidatum 
Molecular Formula
Molecular Weight
 Off-white Powder
Purity by HPLC:
 Minimum 98%
 Clear faint yellow solution at 50Mg/Ml in acetone.
Test Item
 Appearance, Loss on drying, Sulfated Ash, Assay, Heavy Metals, Arsenic, Microbiological.
 Nt.W:1kg/Al bag with inner plastic bag
 store in well-closed container, at cool dry area


Resveratrol is an active component extracted from Huzhang(Polygonum cuspidatum) in China. It is an antioxidant phenol and a potent vasodilator that inhibits serum triglyceride synthesis, lipid peroxidation, and platelet aggregation.

It is extensively used for treatment of blood vessel disease such as atherosclerosis and hyperlipidemia. In addition, it has anti-virus and anti-inflammatory activity, can treat acute microbial infections and viral hepatitis, ect.


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China (Mainland) | Trading Company
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Supplier's Trade Assurance Limit: US $61,000
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