The controversy about the classification and systematic position of Acorus L. has lasted for about two century.
摘要菖蒲属的分类和系统地位近两个世纪以来一直存在较大的争议。
METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .
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。
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