Research Reports

The Preliminary Research of Antibacterial and Antifungal Activity of Extract from Eclipta prostrata

  • 欧Yang-Pu-Yue ,
  • SHEN Long-Qiang ,
  • LIANG Yong-Shu ,
  • MO Xiao-Lu ,
  • CHEN Gong-Xi
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  • (1.Guangdong Food and Drug Vocational College, Guangzhou 510520, Guangdong China;2.Guangdong Research Institute of Traditional Chinese Medicine, Guangzhou 510520, Guangdong China; 3.Key Laboratory of Plant Resource Conservation and Utilization, Jishou University, Jishou 416000, Hunan China)

Received date: 2013-03-12

  Revised date: 2013-03-12

  Online published: 2013-09-01

Abstract

Through the bacteriostatic test of extract from Eclipta prostrata, one of medical plants in the west of Hunan, the results are as follows. (1) The antibacterial substance only exists in the petiole and rhizome. (2) The minimal inhibitory concentration of the extract on Staphylococcus aureus, Escheichia coli, Bacillus subtilis, Micrococcus luteus are 0.6, 2.0, 0.8, 1.0 g/mL respectively; the minimal bactericidal concentration all are 1.0 g/mL; but it is ineffective on Aspergillus niger. (3) In order to get the extract that has the optimum antibacterial effect, the solvent should be alkaline 65% ethyl alcohol. The bacteriostatic test by different polar solvent shows that the antibacterial substance easily dissolved in non-polar solvent such as petroleum ether, ethyl ether. (4) The extract may be flavone substance.

Cite this article

欧Yang-Pu-Yue , SHEN Long-Qiang , LIANG Yong-Shu , MO Xiao-Lu , CHEN Gong-Xi . The Preliminary Research of Antibacterial and Antifungal Activity of Extract from Eclipta prostrata[J]. Subtropical Plant Science, 2013 , 42(03) : 199 -204 . DOI: 10.3969/j.issn.1009-7791.2013.03.003

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