The volatile constituents of the essential oil of Serissa serissoides extracted by steam distillation were studied by GC-MS.

• 采用水蒸气蒸馏法从白马骨中提取其挥发性成分,再通过气-质联用(GC-MS)技术对所提取的挥发性成分进行分离鉴定,共测定了其中的43种成分。