The essential oil of Cajanus cajan leaves were separated by steam distillation and its consti-tuents were analzed by GC/MS/MSD method using glass cross--linking capillary column.

• 用水蒸汽蒸馏法从木豆的叶和嫩枝中提出挥发油,并用交联毛细管柱气相色谱/质谱/计算机(GC/MS/MSD)联用技术测定木豆精油的化学成分。