In this paper, method of PEG-20M and OV-101 Stainless Capilliary Column on GC-MS is adopted to analyse and study the chemical components of essential oil of Litsea cubeba Pers. in Jiangxi province.

本文介绍用PEG - 20 M、OV - 101毛细管柱分离，以气相色谱与质谱联用检测的方法对我省山苍子精油的化学成分进行分析研究。

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The result was as the following: the extracting rate of Litsea Cubeba oil was enhanced by ultrasonic, Litsea Cubeba oil has a great effect on the elimination of free radical.

实验结果表明，超声波法可以提高山苍子油的得率，此外山苍子粗油具有较好的抗氧化作用，可以有效的清除羟自由基、超氧自由基。

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The results showed that the extracting rate of Litsea Cubeba oil was enhanced by ultrasonic, and Litsea Cubeba oil has a great effect on the elimination of free radical.

实验结果表明，超声波法可以提高山苍子油的得率，山苍子粗油可以有效清除羟自由基、超氧自由基。

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