Original plant: roots of polygonum cuspidatum \nproduct characteristics: light yellow to white powder\nproduct specifications: 10%, 20%, 50%, 98%\nfunction:\nresveratrol 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.\nimportant effect of resveratrol on normal human cells without damage, with good pharmacological activity and selectivity, is likely to be developed into a high efficacy, side effects of drugs.