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연구노트

비열 플라즈마 처리를 이용한 polystyrene, 소시지 케이싱, 그리고 훈제연어에서의 식중독균 저해

원문정보

Inhibition of Foodborne Pathogens on Polystyrene, Sausage Casings, and Smoked Salmon Using Nonthermal Plasma Treatments

이한빛, 노영은, 양희재, 민세철

피인용수 : 0(자료제공 : 네이버학술정보)

초록

영어

The effects of nonthermal plasma treatments against Salmonella Typhimurium, Escherichia coli O157:H7, and Listeria monocytogenes living on polystyrene (PS), sausage casings, and smoked salmon were investigated. Inoculated PS, casings, and salmon were treated with nonthermal plasma generated with helium (5 L/min) or with both helium (5 L/min) and oxygen (100 mL/min) at 60 Hz and 30 kV/cm for 2, 5, or 10 min. S. Typhimurium exhibited the highest sensitivity to the helium-used treatment. The greatest reduction (3.9±0.8 log CFU/cm2) was observed with L. monocytogenes on PS after the treatment with the mixed gas for 5 min. The treatment with the mixed gas inhibited L. monocytogenes on casings and salmon by 0.5±0.3 log CFU/cm2 and 1.0±0.3 log CFU/g, respectively. Different treatment times did not result in different reductions of L. monocytogenes on both casings and salmon. The types of treatment gas and material of contamination need to be considered for evaluating the antimicrobial effects of nonthermal plasma treatments.

목차

Abstract
 서론
 재료 및 방법
  비열 플라즈마 장
  접종원
  Polystyrene(PS) 필름 시료
  소시지 케이싱 시료
  훈제연어 시료
  비열 플라즈마 처리
  균 수 측정
  D 값 결정
 결과 및 고찰
  PS 필름
  소시지 케이싱과 훈제연어
 요약
 문헌

저자정보

  • 이한빛 Hahn-Bit Lee. 서울여자대학교 식품공학과
  • 노영은 Young-Eun Noh. 서울여자대학교 식품공학과,
  • 양희재 Hee-Jae Yang. 서울여자대학교 식품공학전공
  • 민세철 Sea Cheol Min. 서울여자대학교

참고문헌

자료제공 : 네이버학술정보

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