【摘要】 目的 研究林下参挥发油的化学成分。方法 采用水蒸气蒸馏法，利用气相色谱-质谱-计算机联用技术，分析林下参挥发油的化学组成。结果 共分离出34种化学成分，经与质谱标准图谱比较，检索出15种化合物。结论 首次对林下参的挥发性成分进行了分析，含量较高的主要是酯类和烷烃。

    【关键词】 林下参；挥发油；气相色谱-质谱

    【Abstract】 Objective To identify the volatile oil components separated from similar wild panax ginseng C.A.Mayer. Methods The volatile oil was extracted by steam distillation and analyzed by GC-MS. Results About 34 components were separated from the volatile oil extracted from the similar wild panax ginseng and 15 compounds were identified according to the compound index. Conclusion The main components of the volatile oil were firstly analyzed and most of them were esters and alkanes.

    【Key words】 similar wild panax ginseng C.A.mayer；volatile oil；GC-MS

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