Total volatil oil of dried ginseng flower bud (grown in Fusong Country, Jilin Province) was obtained, the yield being 0.2%. The total volatile oil was analysed by using capillary GC and GC/MS instruments respectively, and 51 chromatographic peaks were observed. The mass spectrum of each peak was searched by the computer spectra library and was compared with standard spectra and was analysed routinely. Twenty three compounds were identified (Table 1). The principal chemical constituents are sequiterpenes, an...