Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Germicidal Effect of Electrolyzed Seawater on Live Fish and Shellfish

전기분해 해수의 활어패류 살균 효과

  • Lee, Hee-Jung (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Yu, Hongsik (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Oh, Eun-Gyoung (West Sea Fisheries Institute, National Fisheries Research and Development Institute) ;
  • Shin, Soon Bum (Southwest Sea Fisheries Institute, National Fisheries Research and Development Institute) ;
  • Park, Kunbawui (Food Safety Research Division, National Fisheries Research and Development Institute) ;
  • Kim, Ji Hoe (Food Safety Research Division, National Fisheries Research and Development Institute)
  • 이희정 (국립수산과학원 식품안전과) ;
  • 유홍식 (국립수산과학원 식품안전과) ;
  • 오은경 (국립수산과학원 서해수산연구소) ;
  • 신순범 (국립수산과학원 남서해수산연구소) ;
  • 박큰바위 (국립수산과학원 식품안전과) ;
  • 김지회 (국립수산과학원 식품안전과)
  • Received : 2013.08.16
  • Accepted : 2013.09.26
  • Published : 2013.10.31
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Abstract

To secure the biological safety of live fish and shellfish for raw consumption, the germicidal effects of electrolyzed seawater were evaluated. Upon direct exposure to electrolyzed seawater, coliform group bacteria were killed and decreased to undetectable levels after 1 day. The physicochemical characteristics of the seawater were stable during the test period. A byproduct of chlorine disinfection, trihalomethane, was not generated by the electrolysis of seawater. Vibrio parahaemolyticus infection in a live fish was effectively resolved by electrolyzed seawater and became undetectable after 12-36 h of treatment. Bioaccumulation of coliform group and fecal coliform bacteria in live oysters Crassostrea gigas was removed within 18 h of treatment. This study demonstrated that electrolyzed seawater is an effective and safe germicidal agent for the traditional retail market and can help to prevent outbreaks of foodborne disease associated with the consumption of raw fish and shellfish.

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References

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