Latin Name: Polygonum Cuspidatum Part of the Plant Used: Root Active Ingredients: Resveratrol Latin Name: Polygonum CuspidatumPart of the Plant Used: RootActive Ingredients: ResveratrolAppearance: Deep brown to white fine powderSpecifications: 20%,50%,98%,99%Resveratrol is an active component which is extracted from Giant Knotweed. Its pharmacology function can be described as follows: Antibiotic ...