The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Evaluation of Microbiological Safety of Knives and Cutting Boards in Child Care Centers

보육시설과 지역아동센터 칼과 도마의 미생물학적 안전성 평가

  • Kang, Ju-Yeong (Dept. of Food Science and Technology, Sunchon National University) ;
  • Park, Eun-Ji (Dept. of Food Science and Technology, Sunchon National University) ;
  • Lee, Han-Cheol (Dept. of Food Science and Technology, Sunchon National University) ;
  • Park, Min-Ji (Dept. of Food Science and Technology, Sunchon National University) ;
  • Oh, Do-Gyung (Dept. of Food Science and Technology, Sunchon National University) ;
  • Kim, Chan-Yeong (Dept. of Food Science and Technology, Sunchon National University) ;
  • Jeong, Eun-Sun (Dept. of Food Science and Technology, Sunchon National University) ;
  • Lee, Young-Ju (Suncheon Center for Children's Foodservice Management) ;
  • Kim, Jung-Beom (Dept. of Food Science and Technology, Sunchon National University)
  • 강주영 (순천대학교 식품공학과) ;
  • 박은지 (순천대학교 식품공학과) ;
  • 이한철 (순천대학교 식품공학과) ;
  • 박민지 (순천대학교 식품공학과) ;
  • 오도경 (순천대학교 식품공학전공) ;
  • 김찬영 (순천대학교 식품공학전공) ;
  • 정은선 (순천대학교 식품공학전공) ;
  • 이영주 (순천시어린이급식관리지원센터) ;
  • 김중범 (순천대학교 식품공학과)
  • Received : 2020.09.27
  • Accepted : 2020.11.30
  • Published : 2020.12.31
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Abstract

The purpose of this study was to evaluate microbiological contamination of knives and cutting boards in child-care centers. Materials used in this study were swabbed of cutting boards and knives (blade, handle of knife, and joint of handle and blade) in 129 child-care centers. Mean values of total aerobic bacteria of swabs of knives and cutting boards were 1.7±0.7 log cfu/100 ㎠ and 1.7±0.9 log cfu/100 ㎠, respectively. Contamination levels of coliform bacteria from knives and cutting boards were 1.5±0.6 log cfu/100 ㎠ and 1.7±0.8 log cfu/100 ㎠, respectively. Comparing microbiological contamination levels of knives and cutting boards according to type and size of child-care centers, there was no significant difference. Bacillus cereus was detected in knife handles and cutting boards. Diarrhea-type toxin gene (entFM) was detected in B. cereus isolates. Antibiotic resistance tests showed that B. cereus was resistant to β-lactam antibiotics. To reduce microbiological contamination levels of knives and cutting boards in child-care centers and prevent food poisoning from bacteria contamination, continuous education by children's food-service management center is needed for sterilization and disinfection of knives and cutting boards.

Keywords

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