Product description: Parts of plant used:Root & Stem Appearance:Brown Fine Powder Storage:Keep from moisture and heat strictly but in a cool and dry place Shelf life:2 Years Active ingredient:Flavone Method of analysis:HPLC Grade:Pham. Grade Description:Licorice Root Extract Flavonoids 30% Organoleptic characters:Characteristic Loss on drying:≤5.0% Heavy metals:<20ppm Lead:<10 PPM Arsenic:<2ppm Total bacterial count:< 1000cfu/gm Yeast and moulds:< 100 cfu/gm E.coli:Negative S.aureus:Negative Salmonella typ:hNegative Pseudomonas aeruginose:Negative