Resveratrol     Specification: White fine powder Resveratrol 15%~99% Material: Root of Polygonum cuspidatum Sieb Active ingredient:Resveratrol Test method: HPLC          Main function:            Antibiotic antivirus, antitumor , resists the hepatitis , suppresses the agglutinate production with plain B2 of thrombus of blood platelet . It can prevent low density fat albumen from oxidize , have potential prevention and cure cardiovascular disease , gives protection against cancer , antivirus and immune regulating action , its function is shown as its anti-oxidant characteristic mainly