Quick Details Type: Giant knotweed Extract Latin Name: Polygonum cuspidatum Part: rhizome Extraction Rate: 500: 1 ( 99% ) Extraction method: Grain Alcohol Natural: 100% natural Active ingredient: Trans- resveratrol Form: Fine Brown to white Powder Molecular weight: 228.24 C14H12O3 Specification: 5% -99% CAS No: 501-36-0 Country of origin: China Identification test: TLC Content Test: HPLC Solubility: Good in water Specifications: Resveratrol ( Polygonum cuspidatum Extract) GMP Factory ISO and Kosher certified Competitive Price & Steady Supply Physiological function: 1. Anti-cancer 2. Effect on cardiovascular system 3. Antibacterial and antifungal 4. Nourish and protect liver 5. Antioxidant and quench free-radicals 6. Impact on the metabolism of osseous issue Packaging & Delivery Packaging Detail: 25kg/ durm, pack in paper-drums and two plastic-bags inside and Can be Customerized Storage Store in a well-closed container away from moisture. Shelf Life 2 years if sealed and store away from direct sun light. Delivery Detail Within 3 days after receiving