The stone calamus pharmacological action's research existence deviation clinical actual tendency, its effective component research also much concentrates in the volatile oil part.
石菖蒲药理作用的研究存在偏离临床实际的倾向，其有效成分研究也多集中在挥发油部分。
2
METHODS:The steam distillation was used to prepare the volatile oil from the rhizome and root of Acorus calamus L .