Objective:To explore a better drug resource through medicinal studies.Methods:The hydrolyzed amino acids in the roots of Rhodiola sachalinensis were determined by Lc 6A High Performance liquid chromatography.Results:The contents of all 18 amino acids varied with habitat,age,wild,cultivated (g/Kg):wild (Tonghua,53.1)>wild(LinJiang,50.1)> wild(Fusong,46.8)>perennial cultivated (Tonghua,37.9)>biennial cultivated (Tonghua,36.2)>cultivated (Linjaing,35.9).The contents of the wild were higher than those of cult...