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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The ionone was synthesize form litsea cubeba oil, the optimal experiments of reaction conditions were carried by orthogonal test, the optimum synthesizing conditions were obtained.

利用山苍子油合成了紫罗兰酮，并采取正交设计进行了条件优化试验，得出了合成的最佳反应条件．。

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