Abstract: Essential oils can be obtained from branches and leaves of Mur-raya tetramera growing in Yimen, Tonghai and Jianshui of Yunnan proyince by respectively steam distillation. By GC--MS, altogether 27 chemical constitu- ents were isolated and identified. In these chemical constitucnts, 21 constituents were isolated and identified from the essential oil of Murraya tetramera gro- wing in Yimen, their content accounted for 99.69% of the esscntial oil, 18 constituents were isolated and identified from the essentiai oil of Murraya tetramera growing in Tonghai, their contcnt accounted for 99.44% of the cssen- tial oil ; 20 constituents were isolated and identified from the essentiel oil of Murraya tetramera growing in Jianshui, their content accounted for 99.72% of the essential oil. In these constituents, except that caryophllene was sesqui- terpenescne, other 26 constituents were all monoterpenes or their oxygenous derivatives.

Key words: Murraya tetramera

摘要： 云南省易门、通海和建水产的千只眼(Murraya tetramera Huang)枝叶分别经水蒸汽蒸馏得到精油，以气相色谱-质谱-计算机联用方法进行了定性、定量分析，共鉴定了27个化学成分。从易门产的千只眼精油中分离鉴定了21个化合物，为精油含量的99.69％；从通海产的千只眼精油中分离鉴定了18个化合物，为精油含量的99.44％；从建水产的千只眼精油中鉴定了20个化合物，为精油含量的99.72％。这些成分除石竹烯为倍半萜外，其余化合物都属于单萜或其含氧衍生物。三个产地的千只眼精油中都含主成分柠檬烯和紫苏醛。

关键词: 千只眼, 精油, 气相色谱-质谱分析, 柠檬烯, 紫苏醛