... Active Ingredients: Resveratrol Specs Avilable: 50%, 98% (HPLC) Polygonum cuspidatum extract Main Function (1) Antibacterial, antithrombotic, antiinflammatory and antianaphylaxis. (2) Preventing ... -592-5812532 Fax: 0086-592-5639276/5185053ISO9001:2008 Polygonum cuspidatum extract (Resveratrol ) 25%,50%,98%,99%