Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Efficacy Evaluation of Disinfectant for Reducing Bioaerosols Generated in a Meat Processing Workplace

육가공 작업장에서 발생되는 바이오에어로졸 저감을 위한 살균제 효능 실증 평가

  • Hwang, Ju-Young (Department of Safety Engineering at the Graduate School of Seoul National University of Science and Technology) ;
  • Choi, Won (Department of Safety Engineering at the Graduate School of Seoul National University of Science and Technology) ;
  • Kim, Doo-Young (Department of Safety Engineering at the Graduate School of Seoul National University of Science and Technology) ;
  • An, Woo-Ju (Department of Safety Engineering at the Graduate School of Seoul National University of Science and Technology) ;
  • Lee, Woo-Je (Department of Safety Engineering, Seoul national University of Science and Technology) ;
  • Kim, Ki-Youn (Department of Safety Engineering at the Graduate School of Seoul National University of Science and Technology)
  • 황주영 (서울과학기술대학교 일반대학원 안전공학과) ;
  • 최원 (서울과학기술대학교 일반대학원 안전공학과) ;
  • 김두영 (서울과학기술대학교 일반대학원 안전공학과) ;
  • 안우주 (서울과학기술대학교 일반대학원 안전공학과) ;
  • 이우제 (서울과학기술대학교 안전공학과) ;
  • 김기연 (서울과학기술대학교 일반대학원 안전공학과)
  • Received : 2021.05.07
  • Accepted : 2021.06.20
  • Published : 2021.06.30
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Abstract

Objectives: This study aims to compare and evaluate the reduction efficiency of disinfectants used in the domestic meat processing industry to reduce bioaerosol exposure of meat industry workers and to use this as basic data for establishing work environment management measures. Methods: Thirteen disinfectants sold in South Korea were selected for evaluation and the bacterial reduction effect of the disinfectants was investigated. Bacterial suspension and surface disinfection tests were conducted to compare and analyze the antibacterial strength of the disinfectants. Pork carcasses, cutting boards, benches, and conveyor belts were selected for surface sterilization tests. Results: As a result of the bacterial suspension experiment test, all disinfectants had a bacterial reduction efficiency of more than 86%. Among them, the bacterial reduction efficiency of chlorine disinfectants was 99.93% on average. In the results of the pork carcass surface sterilization test, the rate of reduction of disinfectants made of quaternary ammonium compounds (QACs) was the highest. Tests of plastic cutting boards showed that chlorine disinfectants had the best sterilization effect. Experiments on stainless steel benches showed the best bacterial reduction efficiency for chlorine dioxide and QACs disinfectants. In the conveyor belt made of urethane, QACs disinfectants showed excellent sterilization effects. Conclusions: The study evaluated the disinfection power of disinfectants against bacteria occurring in domestic meat processing plants. All disinfectants were found to be effective in bacterial suspension experiments, and chlorine disinfectants were particularly effective. In surface sterilization experiments, sterilizing agents with QACs as the main ingredient were excellent.

Keywords

Acknowledgement

본 결과물은 농림축산식품부의 재원으로 농림기술기획평가원의 농생명산업기술개발사업의 지원을 받아 연구되었음(과제번호 : 319115-02-2-SB010)

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