细叶桉叶超临界CO_2萃取挥发油的GC-MS分析

Component Analysis of Essential Oil Extracted with Supercritical CO_2 from Eucalyptus tereticornis by GC-MS

目的:分析经超临界CO(2SFE-CO2)萃取的细叶桉叶挥发油的化学成分。方法:采用SFE-CO2法从细叶桉叶中提取挥发油,用气相色谱-质谱联用技术对其化学成分进行分析,并用归一化法确定各化学成分的相对百分含量。结果:细叶桉叶挥发油中共提取、鉴定出28种化合物,占色谱峰总面积的88.13%。其挥发性组分主要是桉油精(33.99%)、冰片(8.88%)、α-蒎烯(5.39%)、石竹烯(4.51%)、(+)-4-蒈烯(4.19%)等。结论:本研究可为细叶桉叶的进一步开发利用提供科学依据。

OBJECTIVE：To analyze the chemical components extracted with supercritical CO2（SFE-CO2）from Eucalyptus tereticornis.METHODS： Volatile oil was extracted from E. tereticornis with SFE-CO2.The chemical component analyzed by GC-MS and its proportion was determined by normalization method. RESULTS： 28 compounds which account for 88.13% of the total peak area were separated and identified. The main components of volatile oil were eucalyptol （33.99%）,borneol（8.88% ）, α-pinene （ 5.39% ）, caryophyllene （4.51% ）, （ ＋ ）-4-carene （4.19%）.CONCLUSION： This study can be served as a scientific basis for the further exploitation and utilization of E. tereticornis.