Product Name: Quercetin Origin: The dry bud of chinese Sophora japonica. L. Properties: Yellow power Specification: 95% HPLC 98%--102% UV Function: Anti-oxidant; Anti-cancer; Preventing reproduction of infectious viruses. Lower blood pressure, enhance the resistance of capillaries and decrease its fragility, reduce blood fat, dilate coronary artery and increase its blood flow. Pakage: 25kg/bag Storage: Keep in cool dry and dark place. Guarantee Period: 2 years