1. Product indicators Content assay above 98.00% Color color White fine powder Odor odor Special characteristic Taste Special characteristic Extraction solvent Water Ethanol Extracted part used Bark bark Physical characteristics Particle size 98% over 80 mesh 98% through 80 mesh Moisture moisture no above 1.00% Ash content no above 1.00% Bulk density 50-60g/100ml Solvent residue European standard EUR Pharm Pesticide residue Conform to forms Heavy metals Heavy metals no above 10ppm Arsenic no above 2ppm Lead plumbum no above 2ppm Microbiological tests Total plate count no above 1000cfu/g Yeast & Mold no above 100cfu/g Escherichia coli Negative cannot be checked out Staphylococcus aureus Negative cannot be checked out Salmonella Salmonella Negative cannot be checked out 2. Package specification 1.0kg /Aluminum foil bag ; 15kg / cardboard barrel; 25kg / cardboard barrel 3. Storage method Avoid freezing environment, store in a dark, cool and dry place, room temperature and sealed.