[Studies on chemical components of Gentiana tizuensis Franch. (I)].

To study the chemical components of Gentiana tizuensis distributed in Qinghai Province. Chromatography and spectral analyses were used to isolate the constituents and elucidate their structure. Four compounds were isolated and identified as uvaol, L-(+)-l-O-methyl-myo-inositol, ursolic acid,beta-sitosterol. All these components were obtained from the plant for the first time.