The chemical composition of the volatile oil from Paederia scandens was analysed by gaschromatographymassspectrometer (GC/MS) technique.
利用气相色谱-质谱联用（GC／MS）技术对鸡屎藤挥发油化学成分进行分析研究。
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METHODS The volatile oil was extracted from Ligustrum lucidum Ait of Gansu by steam distillation, and its ingredients were isolated and identified by gaschromatography-massspectrometer (GC-MS).