Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
권호 표지

Inactivation Rate of Enterococci and Total Coliforms in Fresh Water and Sea Water

해수 및 담수에서 장구균과 총대장균군의 불활성화

  • Kim, Jongmin (Environmental Microbiology Division, National Institute of Environmental Research) ;
  • Jheong, Weonhwa (Environmental Microbiology Division, National Institute of Environmental Research) ;
  • Choi, Heejin (Environmental Microbiology Division, National Institute of Environmental Research)
  • 김종민 (국립환경과학원 환경미생물과) ;
  • 정원화 (국립환경과학원 환경미생물과) ;
  • 최희진 (국립환경과학원 환경미생물과)
  • Received : 2008.10.09
  • Accepted : 2009.01.03
  • Published : 2009.01.30
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Abstract

Inactivation rates between enterococci and total coliforms were compared in order to find the suitability of enterococci as an indicator microorganism under various experiment conditions - freshwater and/or seawater, indoor and/or outdoor conditions. In case of indoor laboratory experiments, inactivation rates of enterococci ($k_D$: 0.050~0.082) were faster than those of total coliforms ($k_D$: 0.034~0.045) in freshwater matrix. In seawater matrix, however, survival rate of enterococci was longer than that of total coliforms at two out of three experiments in indoor condition. When incubated in outdoor conditions, enterococci were inactivated significantly more rapidly than total coliforms both in freshwater and seawater matrices. With these results, enterococci appear to be less suitable than total coliforms in terms of inactivation rates.

Keywords

References

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