山苍子花蕾挥发油成分GC-MS分析

通过水蒸汽蒸馏法提取山苍子花蕾挥发油,利用GC-MS联用技术对其成分进行定性定量分析。挥发油平均收率为3.8%,从中鉴定出40种成分,占总含量的87.27%。其中14个单萜烯烃化合物,占总含量的21.90%;12个单萜氧化物,占总含量的60.44%;12个倍半萜烯烃化合物,占总含量的4.85%。含量较高的成分为桉油精(39.86%)、松油醇(15.62%)、α-蒎烯(4.96%)、α-水芹烯(4.79%)。

Analysis of Essential Oil in Flower Buds of Litsea Cubeba

The essential oil in the flower buds of Litsea Cubeba was extracted by steam distillation,and the average extraction rate was 3.8%.Its components and relative contents were analyzed by gas chromatography-mass spectrometry（GC-MS）,and 40 components in the oil were identified,which accounted for 87.27% of the total contents.There were 14 monoterpenes,which accounted for 21.90%,and 12 monoterpene oxides,accounted for 60.44%;and 12 sesquiterpenes,accounted for 4.85%.The main components were eucalyptol（39.86%）,3-cyclohexene-1-methanol,alpha,alpha,4-trimethyl-,（S）-（15.62%）,alpha pinene（4.96%）,and alpha phellandrene（4.79%）.