Chemical Constituents in Essential Oil from  by Steam Distillation and SFE-CO by GC-MS

ZHOU Yan-yuan

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Chemical Constituents in Essential Oil from by Steam Distillation and SFE-CO by GC-MS

更新时间：2024-01-04

- Chemical Constituents in Essential Oil from by Steam Distillation and SFE-CO by GC-MS
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 18, Issue 2, Pages: 116-118(2012)
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- Published：2012
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ZHOU Yan-yuan. Chemical Constituents in Essential Oil from by Steam Distillation and SFE-CO by GC-MS[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(2): 116-118.
DOI：

ZHOU Yan-yuan. Chemical Constituents in Essential Oil from by Steam Distillation and SFE-CO by GC-MS[J]. Chinese journal of experimental traditional medical formulae, 2012, 18(2): 116-118. DOI：

摘要

目的: 考察水蒸气蒸馏法(SD)和超临界萃取法(SFE-CO2)得到的香胶木叶挥发油化学成分差别。方法: 用GC-MS对香胶木叶挥发油进行测定

并用色谱峰面积归一化法测定各成分的相对百分含量。结果: SD获得挥发油中分离出33个峰

鉴定了其中19个组分

占提取物总量的71.94%

其中的主要成分是叶醇(43.90%)

青叶醛(7.42%)

4-二叔丁基苯酚(4.80%)等。SFE-CO2获得的挥发油中分离出55个峰

鉴定了其中33个组分

占提取物总量的81.51%

其中的主要成分是角鲨烯(11.85%)

桉油精(9.95%)

(+)-α-松油醇(5.34%)等。结论: 两种提取方法得到的香胶木叶挥发油组分与相对含量差别较大

该实验结果为了解其挥发性成分及进一步开发应用提供了依据。

Abstract

Objective: To compare chemical constituents of the essential oil of Litsea glutinosa (Lour.) C.B.Rob. were extracted by steam distillation (SD) and supercritical-CO2 fluid extraction (SFE-CO2). Method: The chemical components of the essential oil were separated and identified by GC-MS

Their relative contents were determined by normalization of peak area. Result: In essential oil extracted by SD 33 peak were separated and 19 of them were identified representing 71.94% of the total contents. The volatile constituents were mainly the (Z)-3-Hexen-1-ol (43.90%)

(E)-2-Hexenal (7.42%)

4-bis(1

1-dimethylethyl)-Phenol (4.80%). In essential oil extracted by SFE-CO2 55 peak were separated and 33 of them were identified representing 81.51% of the total contents. The volatile constituents were mainly the squalene (11.85%)

eucalyptol (9.95%)

(+)-.alpha.-Terpineol (5.34%). Conclusion: The constituents of essential oils extracted by SFE-CO2 were different from that of extraction by SD. The result provided evidence for understanding the constituents of essential oils and explitation of Litsea glutinosa (Lour.) C.B.Rob.

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Related Institution

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Institution of Chinese Medica Materia,Henan University

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