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Quick Details

  • Type: Herbal Extract
  • Variety: Polygonum Cuspidatum Root Etract
  • Form: Powder
  • Part: Root
  • Extraction Type: Solvent Extraction
  • Packaging: Drum, Box
  • Place of Origin: Shaanxi, China (Mainland)
  • Grade: Pharmaceutical, food and Cosmetic
  • Brand Name: HongDa
  • Model Number: HZ-161205
  • Latin Name: Polygonum Cuspidatum Sieb.et Zucc.
  • Color: Brown or White Fine Powder
  • Specification: Resveratrol 5%-98%
  • Active Ingredient: Resveratrol
  • Shipping: By Air, Train, Sea
  • Test Method: HPLC
  • Particle Size: 100% Pass 80 mesh
  • Shelf Life: 2year
  • Certificate: ISO22000/Halal/Kosher

Packaging & Delivery

Packaging Details: 1kg/bag OR 25kg/drum OR as your request.
Delivery Detail: Within 3 days after order confirmation

Product name:Polygonum Cuspidatum Extract 
Latin NamePolygonum Cuspidatum Sieb.et Zucc.
Appearance:Brown Fine Powder
Product Specification:Resveratrol 50% 98%
Loss on drying:NMT5.0%
Acid insoluble Ash:NMT5.0%
Heavy metals:NM10ppm
CAS No:501-36-0
Part used:Root
Test Method:HPLC
Particle Size:100% pass 80 meshes


Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Phytoalexins are chemical substances produced by plants as adefense against infection by pathogenic microorganisms, such as fungi. Alexin is from the Greek, meaning to ward off or to protect. Resveratrol may also have alexin-like activity for humans.

Epidemiological, in vitro and animal studies suggest that a high resveretrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer.Resveratrol is extracted from Polygonium cuspidatum and grape skin, it’s rich with Both cis- resveratrol and trans-resveratrol .

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) | Manufacturer, Trading Company
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