Plant Source:Epimedium Leaf ExtractUsed Part:The stem and leaf Assay:Icariin 10% - 98%Appearance:Brown powder( lower assay) to White powder (higher assay)Function & Usage:(1) it is much beneficial for kidney (2) it can make the man more masculine in sexual fuction (3) eliminate the rheumatism (4) lower down the blood pressue (5) restrain the increase of staphylococcus (6) anti-aging. Specifications:Purity :Icariin 10%- 98%Powder size100% pass 80 meshLoss on Drying≤5.0%Heavy Metals10ppmTotal Plate Count1000cfu/gYeast & Mold100cfu/gE.ColiNegativeSalmonellaNegative