Chinese Journal of Pharmacovigilance ›› 2016, Vol. 13 ›› Issue (1): 13-15.

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Study on Content of Volatile Oil in Leonurus japonicusHoutt. by Microwave-assisted Extraction

SUN Ling1, YANG Xiao1, LI Shi-min2, SUN Xiao-qian3, SUN Rong2   

  1. 1.Shandong Academy of Pharmaceutical Sciences, shandong Jinan 250101, China;
    2.Shandong academy of Chinese Medicine, Shandong Jinan 250014, China;
    3.Shandong University of Traditional Chinese Medicine, Shandong Jinan 250014, China
  • Received:2015-12-01 Revised:2016-02-25 Online:2016-01-08 Published:2016-02-25

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Abstract: Objective To discuss the extraction effect of volatile oil from Leonurus japonicus Houtt. by microwave-assisted extraction and optimum extract parameters. Methods Two Methods of hydro-distillation and microwave-assisted extraction were used for extracting volatile oil fromLeonurus japonicusHoutt., then optimized the extraction conditions: solvent volume, extracting power, extracting time, and gas chromatography was used for the qualitative identification and relative content analysis of component. Results The extracting yields of volatile oil from Leonurus japonicusHoutt. by microwave-assisted extraction of and hydro-distillation were 0.110% and 0.099%, respectively. Conclusion The extraction effect of volatile oil from Leonurus japonicusHoutt. by microwave-assisted extraction was better than hydro-distillation.

Key words: Key words:Leonurus japonicusHoutt. , volatile oil, microwave-assisted extraction

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