latin name：epimdium biolba active ingredients：total icariin & icariin testing method：hplc specifications: 1) extracted part: leaf and stem 2) extract solvent: ethanol 3) extract medium: none 4) appearance: yellow green powder 5) smell gas-and cold 6)particle size: passed 80 mesh 7) arsenic: ≤ 2ppm 8) heavy metals: ≤ 20ppm 9) icariin (by hplc): ≥ 10% - 30% 10)total plate count: < 1000cuf/g icariin pharmacology function: stimulate sensory nerve to promote sexual function; anti-bacterial antibiotic, zhenkepingchuan; relief, increased guanmai flow, increase muscle oxidation capacity. enhanced immunization, a certain anti-cancer role.