OBJECTIVE:To analyze and compare the chemical constituents of volatile oil of rhizome and root in Acorus calamus L.METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .

• 目的分析比较水菖蒲根状茎和根挥发油化学成分。 方法采用水蒸气蒸馏法分别提取水菖蒲根状茎和根挥发油,采用气相色谱-质谱联用技术进行分析鉴定。