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Effects of essential oil (blended and single essential oils) on anti-biofilm formation of Salmonella and Escherichia coli

  • Oh, S.Y. (Division of Food and Animal Sciences, Chungbuk National University) ;
  • Yun, W. (Division of Food and Animal Sciences, Chungbuk National University) ;
  • Lee, J.H. (Division of Food and Animal Sciences, Chungbuk National University) ;
  • Lee, C.H. (Division of Food and Animal Sciences, Chungbuk National University) ;
  • Kwak, W.K. (Division of Food and Animal Sciences, Chungbuk National University) ;
  • Cho, J.H. (Division of Food and Animal Sciences, Chungbuk National University)
  • Received : 2016.07.28
  • Accepted : 2017.01.31
  • Published : 2017.02.28

Abstract

Background: Biofilms were the third-dimensional structure in the solid surface of bacteria. Bacterial biofilms were difficult to control by host defenses and antibiotic therapies. Escherichia coli (E. coli) and Salmonella were popular pathogenic bacteria that live in human and animal intestines. Essential oils are aromatic oily liquids from plant materials and well known for their antibacterial activities. Method: This study was conducted to determine effect of essential oil on anti-biological biofilm formation of E. coli and Salmonella strains in in vitro experiment. Two kinds of bacterial strains were separated from 0.2 g pig feces. Bacterial strains were distributed in 24 plates per treatment and each plates as a replication. The sample was coated with a Bacterial biofilm formation was. Result: Photographic result, Escherichia coli (E. coli) and Salmonella bacteria colony surface were thick smooth surface in control. However, colony surface in blended and single essential oil treatment has shown crack surface layer compared with colony surfaces in control. Conclusion: In conclusion, this study could confirm that essential oils have some interesting effect on anti-biofilm formation of E. coli and Salmonella strains from pig feces.

Keywords

Biofilm;Essential oil;Escherichia coli (E. coli);Salmonella;Pigs

Acknowledgement

Supported by : National Research Foundation of Korea Republic of Korea

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