Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Seasonal Changes of Microbiological Counts and Sanitation State on the Surface of Foodservice Facilities and Utilities

급식시설 . 설비 표면의 위생상태 및 계절별 미생물 균수의 변화

  • 김지현 (부산대학교 식품영양학과) ;
  • 김이선 (부산대학교 식품영양학과) ;
  • 한지숙 (부산대학교 식품영양학과)
  • Published : 2004.12.01
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Abstract

This study was conducted to investigate seasonal changes of microbiological counts and sanitation state on the surface of food service facilities and utilities of elementary schools in Busan area. Samples swabbed using sponge were collected from the surface of food service facilities and utilities, that is ceiling, wall, floor, trench, grease trap, hood, pest control net and dumb waiter, and analyzed by measuring the total plate, coliform and Salmonella spp. count. The total plate counts at foodservice facilities and utilities except ceiling and wall were ranged from 10$^4$∼10$^{6}$ CFU/100 $\textrm{cm}^2$. The coliform counts were ranged from 10$^2$∼10$^4$ CFU/100 $\textrm{cm}^2$ at foodservice facilities and utilities except ceiling. The grease trap was the severely contaminated facility. It was indicated that the sanitary condition at the foodservice facilities and utilities except ceiling and wall should be improved promptly. As a result of investigating the seasonal changes of microbiological counts, floor, trench, grease trap and dumb waiter should be carried out disinfection before foodserving everyday in summer season, and the disinfection frequencies of wall, hood and pest control net should not be less than three times per week. In winter season floor, trench, and dumb waiter should be carried out disinfection after foodserving, grease trap should be carried out disinfection before foodserving everyday and the disinfection frequencies of wall, hood and pest control net should not be less than twice per week.

부산시내 초등학교 5곳을 방문하여 현 급식소에서 보유하고 있는 급식시설$.$설비에 대한HACCP 적용시 중점관리점을 파악하기 위하여 위생평가를 실시하였다. 학교 급식 시설$.$설비는 학교급식소에서 사용하고 있는 천장, 벽, 바닥, 트렌치, 그리스 트랩, 후드, 방충망, 덤웨이터 등 총 8곳으로 분류하여 총균수, 대장균군수 측정을 통해 위생상태를 확인하였다. 급식시설$.$설비 표면의 위생상태를 검사한 결과 천장, 벽을 제외한 나머지에서 $10^4$∼$10^{6}$ CFU/100 $\textrm{cm}^2$의 세균이 검출되어 여전히 학교급식소의 위생수준이 낮은 것으로 파악되었고 특히, 그리스 트랩의 경우가 가장 위생상태가 불량한 것으로 나타났다. 대장균군수의 경우는 천장을 제외한 나머지 장소에서 $10^2$∼$10^4$ CFU/100 $\textrm{cm}^2$의 세균이 검출되었고 그리스 트랩에서 가장 높은 수의 세균과 대장균이 발견되어 특별히 관리 해야 되는 부분으로 확인되었다. 또한 학교급식 시설$.$설비의 하절기 및 동절기의 위생상태를 알아보고 중점 관리 점을 제시하기 위하여 급식 후 세 척 및 소독을 실시한 다음 시간 및 요일의 경과에 따른 오염도를 측정한 결과, 하절기에는 매일 소독을 실시해야 하는 바닥, 트렌치, 그리스 트랩, 덤웨이터의 경우는 급식 전에 소독을 실시한 후 급식을 시작해야 하는 것으로 나타났고, 주 1회 소독을 실시 하는 벽, 후드, 방충망은 주 3회 이상으로 소독횟수를 늘려 실시해야 하는 것으로 나타났다. 동절기에는 바닥, 트렌치, 덤웨이터의 경우는 현재와 마찬가지로 급식 후에 소독을 실시하여야 하는 것으로 나타났고 그리스 트랩의 경우는 급식 전에 실시한 후 급식을 시작해야 하는 것으로 나타났다. 벽, 후드, 방충망은 주 2회 이상으로 소독횟수를 늘려 실시해야 하는 것으로 나타났다.

Keywords

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