Volatile oil was extracted from the roots of Tagetes patula by steam distillation.Chemical ingredients of the oil were analyzed by GC-MC and 10 compounds were identified.

• 采用水蒸汽蒸馏法提取了万寿菊根的挥发油,并用气相色谱-质谱对其化学成分进行分析,共鉴定出10个化学成分。