了哥王挥发油的化学成分分析

Analysis of Chemical Constituents of Essential Oil in Officinal Plant Wikstroemiaindica by Gas Chromatography—Mass Spectrometry

用常规水蒸气蒸馏法提取出药用植物了哥王精油,经气相色谱-质谱联机分析,共分离出30多个峰,鉴定出其中37种化合物。挥发油主要成分是十六烷酸、9 十八碳烯酸、9, 12 十八碳二烯酸、9 十六碳烯酸、十五烷酸、十二烷酸、癸酸,其质量分数分别为60 44%、7 13%、5 48%、2 42%、1 21%、0 76%、0 51%,所鉴定的成分占挥发油总质量的77 95 %。

The essential oil wikstroemiaindica was extracted by steam distillation approaches.The oil obtained was dried with anhydrous magnesium sulfate.According to the analysis of gas chromatography—mass spectrometry,more than 30 peaks were separated and 37 compounds were identified.The main compounds are hexadecanoic acid,9-octadecenoic acid,9,12-octadecadienoic acid,9-hexadecenoic acid,pentadecanoic acid,dodecanoic acid and decanoic acid.The mass fractions are 60.44%,7.13%,5.48%,2.42%,1.21%,0.76% and 0.51% respectively.The identified constituents represent 77.95%of total mass of the essential oil.