한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제36권3호
  • /
  • Pages.193-197
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  • 2003
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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환자 분리 Listeria monocytogenes YM-7의 저온내성 특성

Psychrotrophic Characteristics of Listeria monocytogenes YM-7 Isolated from a Patient

  • KIM Young Mog (Institute of Agricultural Science & Technology, Kyungpook National University) ;
  • PARK Mi Yeon (Department of Food Science & Technology, Pukyong National University) ;
  • MOK Jong Soo (National Fisheries Research & Development Institute) ;
  • KIM Ji Hoe (National Fisheries Research & Development Institute) ;
  • CHANG Dong Suck (Department of Food Science & Technology, Pukyong National University)
  • 발행 : 2003.06.01
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초록

Psychrotrophic characteristics of Listeria monocytogenes YM-7 showed similar growth at $8^{\circ}C$ as L. monocytogenes ATCC 15313. But it showed different growth pattern at $4^{\circ}C.$ Thus the isolated strain from the Patient can not grow at $4^{\circ}C,$ while L. monocytogenes ATCC 15313 grow slowly. Number of the injured cells of L. monocytogenes YM-7 was higher at $-3^{\circ}C$ than at $-18^{\circ}C$ in phosphate buffer solution. The rate of the injured cell was higher in the TSB (tryptic soy broth) medium than in phosphate buffer solution at $-3^{\circ}C$ and $-18^{\circ}C.$ When L. monocytogenes YM-7 stored at $-18^{\circ}C$ in homogenized fish muscle, the cell numbers decreased by 2-3 log cycles in 12 weeks.

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참고문헌

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