Extracted part: leaf and stem Extract solvent: ethanol Extract medium: none Appearance: Yellow green powder Particle size: passed 80 mesh Arsenic: < 2ppm Heavy metals: < 20ppm Icariin (by HPLC): > 10% -30% Total plate count: < 1000cuf/G Inner packing: 25kg/double-layer aluminum foil bag Outer packing: Fiberboard drum