Product Name:Rhodiola Rosea Extract Powder Used Part:Root Items Result Appearance Red Brown Powder Particle Size 100% through 80 Mesh Loss on Drying < 5.0% Heavy Metals < 20ppm Arsenic(As) < 2ppm Lead(Pb) < 2ppm Assay Rosavins by HPLC> 5.0% Total Plate Count < 10,000cfu/G Yeast & Mold < 100cfu/G E.Coli. Negative Salmonella Negative 1~25kg: Packed in 1kg/bag or 5kg/bag with double plastic valve bag and Aluminum foil bag outside. Over 25kg: Packed in 25kg/drum,with double plastic valve bag inside and cardboard drum outside.