Objective: To analyze instability of the chemical constituents of volatile oil in Rhizome Atractrylodis and to preliminarily study its anti-inflammation effects in different storage period.

• 摘要目的：考察常温下保存（茅）苍术挥发油主要化学成分的稳定性，并初步比较不同时间常温下保存挥发油的抗炎作用。