天山堇菜中挥发油的气相色谱-质谱分析

为探索天山堇菜的药理活性与其挥发油化学成分的关系，用挥发油提取器提取天山堇菜中的挥发油，测得含量为0.067％。采用气相色谱-质谱联用技术对天山堇菜的挥发性成分进行分离鉴定，共分离出60种成分，确认了其中的47种成分,占挥发油总离子流的75.54%。采用峰面积归一化法确定各成分的相对百分含量，其中主要成分为脂肪烃和含氧有机化合物（醇、酮、醛和酯）。

Analysis of Volatile Oil from Viola Tianshanica Maxim by GC/MS

The chemical components of volatile oils from Viola tianshanica Maxim were analyzed by gas chromatography-mass spectrometry (GC/MS)． The content of the volatile oils which were extracted by steam distillation from Viola tianshanica Maxim was 0.067％. 47 components are identified from 60 separated peaks, amounting to total mass fraction 75.54% . The relative contents of the components were determined with peak area normalization method. The major constituents of the volatile oils are aliphatic hydrocarbons, alcohols, ketone, aldehyde and esters.