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Chem. J. Chinese Universities

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Comparative Analysis of Volatile Constituents in Chenpi of Different Original Plants by GC-MS and AMWFA

YI Lun-Zhao, LIANG Yi-Zeng, ZENG Zhong-Da, WANG Ping, YUAN Da-Lin   

  1. College of Chemistry and Chemical Engineering, Research Center of Modernization
    of Chinese Medicines, Central South University, Changsha 410083, China
  • Received:2005-12-30 Revised:1900-01-01 Online:2006-09-10 Published:2006-09-10
  • Contact: LIANG Yi-Zeng

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Abstract: Components in volatile oils of traditional Chinese medicine are very complex. Many of them are main active ingredients. So, the two-dimensional data of volatile oils obtained by GC-MS form a very complicated analysis system with many verlapped peaks. Alternative moving window factor analysis(AMWFA) is a new method using to comparison and resolution of two-dimensional data. In this paper, GC-MS and AMWFA was combined to analyze the commonness and otherness of volatile oils in three Chenpi samples whose original plants are different. Seventy-eight of the 138 separated constituents in essential oils of Chenpi were identified and quantified by the developed method. There are 44 common components among them.

Key words: Alternative moving window factor analysis(AMWFA), Chenpi, Gas chromato graphy-mass spectrometry(GC-MS), Volatile oils

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