The chemical compositions of the essential oil from the whole plants of Saussurea medusa maxim in Tibet were analyzed by GC-MS.

• 采用气相色谱-质谱(GC-MS)联用技术对西藏产水母雪莲花的挥发油化学成分进行分析,共分离鉴定出83种化合物,占挥发油总量的70%25以上。