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Description 
English name:  Giant Knotweed Extract 
Latin name:  Polygonum Cuspidatum 
Part Used:  Root & Stem 
Specification:  50% 98% 99% Resveratrol 
Appearance: Brown Yellow to White Powder 
Particle Size: 80 mesh 
Package: 25kg per drum 
Shelf Life: 24 months 

Description: 

     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 a defense 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 s est that a high resveratrol intake is associated with a reduced incidence of cardiovascular disease, and a reduced risk for cancer. 


Function: 

      1 Antibacterial, antithrombotic, antiinflammatory and antianaphylaxis. 
      2 Preventing cancer, especially breast cancer, prostate cancer, endometrial cancer and   ovary cancer due to its estrogen role. 
      3 Antioxidation,delaying aging, preventing osteoporosis, acne ( whelk) and dementia in the elderly.
      4 Lowering cholesterin and the blood viscosity,reducing the risk of arteriosclerosis,cardio-cerebrovascular disease and heart disease. 
      5 Owning good efficacy for treatment of AIDS.