The volatiles fromthe twigs of Acer negundo were extrated by the supercritical CO_2 fluid extraction(SFE CO_2)technique and were then absorbed and identified by TCT/GC-MS.

• 采用超临界CO2流体技术萃取复叶槭枝条挥发物,对萃取材料和萃取条件进行优化,并用热脱附/气相色谱-质谱(TCT/GC-MS)技术分析鉴定萃取所得的挥发性组分。