The constituents of essential oils extracted with steam distillation from the flowers and leaves of Magnolia denudata Desr were analyzed by techniques of GC-MS-computer.

• 用水蒸气蒸馏法提取了春季及夏季产玉兰叶和花的挥发油,用气相色谱-质谱联用技术对挥发油进行了成分分析。