White Willow bark Extract (Salicin 15% 25% 30%

White Willow bark Extract [Product Name] White Willow Bark Extract [Quality standard] 1, the main components: Salicin 15% 25% 30% 50% 80% 90% 98% HPLC 2, use parts: leaves 3, color: yellow fine powder 4, mesh: 100% over 80 mesh 5, Odor: Special smell 6 Loss on drying: ≤ 5% 7, Ash: "5% 8, heavy metals: <10PPM 9 Residual Solvents: <0.05PPM [Standard microbiological] 1, the total quantity of bacteria: <1000CFU/gm 2, E. coli: not detected 3, Salmonella: Not detected 4, mold and yeast: <100CFU/gm [Storge] placed in a cool dry, dark, avoid heat. [Shelf Life] 2years