latin name：rhodiola sachalinensis a.bor. active ingredients：salidroside testing method：hplc specifications: part used : root and rhizome appearence : brownish yellow powder with characteristic odour and taste. smell: gas fragrant and sweet, bitter flavor salidrodise: ≥2.0% particle size: 80mesh loss on drying: ≤5.0% heavy metals: ≤20ppm arsenic: <2ppm ashes: ≤5.0% solvent resioue: negative total plate count: ≤1000cfu/g molds&yeasts: ≤100cfu/g e-coil: negative: negative salmonella :negative pharmacology function: organisms with enhanced immunity, enhance physical and improve human blood virus, anti - lack of oxygen, medicine old anti-tumour, anti-fatigue, lowering blood glucose, anti-virus, anti-radiation to prevent reaction to the altitude, and many other functions.