Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Exposure Assessment of Microbiological Risk Factors from Edible Ices

빙과류의 미생물학적 위해요소에 대한 노출평가

  • Kim, Tae-Woong (Department of Food Science and Biotechnology and Institute of Bioscience and Biotechnology, Kangwon National University) ;
  • Choi, Jae-Ho (Department of Food Science and Biotechnology and Institute of Bioscience and Biotechnology, Kangwon National University) ;
  • Bahk, Gyung-Jin (Department of Food and Nutrition, Kunsan National University) ;
  • Oh, Deog-Hwan (Department of Food Science and Biotechnology and Institute of Bioscience and Biotechnology, Kangwon National University)
  • 김태웅 (강원대학교 BT특성화학부(대학) 식품생명공학과) ;
  • 최재호 (강원대학교 BT특성화학부(대학) 식품생명공학과) ;
  • 박경진 (군산대학교 식품영양학과) ;
  • 오덕환 (강원대학교 BT특성화학부(대학) 식품생명공학과)
  • Published : 2009.09.30
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Abstract

The aim of this study was to determine exposure assessment of pathogenic bacteria in edible ices by using the monitoring data from the previous study. According to the results of exposure assessment of edible ices contaminated with S. aureus, the contamination level of S. aureus in raw materials was higher than other foodborne pathogens, and the contamination level of S. aureus in mixed samples increased much before sterilization. The most significant reduction in contamination level was observed in mixed samples after sterilization, thus, the contamination levels in frozen final products was less than that of raw materials. Overall, the possibility for the infection of foodborne bacteria from the intake of edible ices per person per day was ranged from minimum $5.89{\times}10^{-7}$ to maximum $5.01{\tims}10^{-5}$. For more realistic estimates, consumption of edible ices and dose-response model must be studied further.

본 연구는 위해 미생물에 대한 빙과류의 오염수준 모니터링 결과를 바탕으로 미생물 위해평가(Microbial risk assessment : MRA)를 적용하여 노출정도를 평가하였다. 그 결과 원재료에서 S. aureus 균의 오염수준이 높았으며 살균 전 혼합액에서는 오염수준이 더욱 증가한 것으로 나타났으나 살균 후 혼합액에서는 오염 수준이 현저하게 감소하는 것으로 나타났다 한편 최종 냉동 저장된 빙과류에서의 오염수준은 초기의 원재료 오염수준보다 약간 더 감소하는 것으로 나타났다. 최종적으로 빙과류의 위해성 평가 결과, 빙과류를 1일 동안 1인이 섭취하였을 때 평균적으로 식중독에 걸릴 가능성은 최소 $5.89{\times}10^{-7}$, 최대 $5.01{\times}10^{-5}$의 발생가능성을 제시할 수 있다. 하지만 좀 더 현실적인 위해 수준을 추정하기 위해서는 빙과류의 섭취량, dose-response model(양-반응 모델) 등에 연구가 이루어져야 할 것이다.

Keywords

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