GC-MS法测定人参和西洋参挥发性成分

Analysis of Volatile Components from Ginseng and American Ginseng for Identification by GC-MS

目的:对比人参和西洋参挥发油成分。方法:水蒸气蒸馏得挥发油,运用GC-MS技术,计算机检索结合保留指数(Kovats'RI)分析和鉴定其化学成分。峰面积归一法计算各个组分相对含量。结果:人参、西洋参各鉴定出52和38个化合物。结论:两者挥发油组成和含量存在差异,初步认为β-瑟林烯、马兜铃烯、花柏烯、β-没药烯、β-倍半水芹烯、沉香螺萜醇等倍半萜,可作为指标性化合物,用于辅助区别人参和西洋参挥发油。

Objective： To identify ginseng and American ginseng by analysis of their volatile components.Methods： Volatile oils in ginseng and American ginseng were extracted by steam distillation and further analyzed by gas chromatography mass spectrometry,retention index values were assisted for qualitative analysis of volatile compounds.Results： 52 compounds in ginseng volatile oils were identified,38 compounds in American ginseng volatile oils were identified.Conclusion： The compositions and content of volatile oils in ginseng and American ginseng are different.It is preliminarily thought sesquiterpenes,for example（-）-Aristolene,（-）-beta-chamigrene,beta-Bisabolene,Agarospirol,etc.,which can be used to help identify ginseng and American ginseng.