FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (12): 83-86.

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Study on Inhibitory Effects of Plant Essential Oils against Microorganisms

 WU  Hui-Qing, WU  Qing-Ping, SHI  Li-San, LI  Cheng-Si   

  1. Guangdong Provincial Key Laboratory of Microbial Culture and Application,Guangdong Institute of Microbiology,Guangzhou 510070,China
  • Online:2008-12-15 Published:2011-12-08

Abstract: The present study evaluated the parameters of antimicrobial activity of 42 kinds of plant essential oils against five species of indicator microorganisms according to the sanitizing technique criterion such as Escherichia coli 8099,Staphylococcus aureus ATCC6538,Bacillus subtilis ATCC9372,Candida albicans ATCC10231 and Aspergillus niger ATCC16404 . Results indicated that these essential oils have more efficient inhibition effects against fungi than against bacteria,more efficient inhibition effects against G+ than against G-bacteria,and the descending order of disinfectant effects of 11 kinds of essential oils is cinnamon,thyme,lemony grass,citronella,cerdar,spicebush,geranium,cilantro,basil,lavende and fenne.

Key words: essential oil, antimicrobial effect, preservative, disinfectant