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NTIS 바로가기대한영양사협회 학술지 = Journal of the Korean dietetic association, v.25 no.1, 2019년, pp.30 - 43
오수진 (단국대학교 식품영양학과) , 여성순 (단국대학교 식품영양학과) , 김미숙 (단국대학교 식품영양학과)
This study compared the predictive models for the growth kinetics of Staphylococcus aureus in ham rice balls. In addition, a semi-quantitative risk assessment of S. aureus on ham rice balls was conducted using FDA-iRISK 4.0. The rice was rounded with chopped ham, which was mixed with mayonnaise (SHM...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
S. aureus가 생성하는 장독소의 특징은? | S. aureus가 생성하는 장독소는 내열성을 가지고 있어 218∼248oC의 온도로 30분간 가열해야 파괴되며, 장독소가 생성된 식품은 맛, 형태 및 육안으로 식별하기 어렵기 때문에 식품에서의 S. aureus의 오염과 생육을 저해하는 것은 중요하다(Doyle 1989; Ministry of Food and Drug Safety 2015). | |
S. aureus란? | S. aureus는 사람과 동물의 피부, 장관 등에 존재하며 공기, 토양 등 자연계에 널리 분포하고, 단백질, 탄수화물이 많은 식품에 쉽게 오염되어 독소를 생성한다(Cho 등 2011). S. | |
마요네즈를 첨가한 햄 주먹밥(SHM)에서 나타나는 S. aureus의 성장 변화 양상은? | S. aureus는 저장기간이 길어지면서 모두 증식하였으며, 7oC에서 보관된 SHM은 88시간까지 3.00 log CFU/g 이하였다가 그 이후로 조금씩 증가해 277시간에는 4.00 log CFU/g, 277시간 이후로는 7 log CFU/g 정도까지 급격히 증가하였다. SHM을 15oC에서 보관한 경우에는 17시간까지 일정하고, 그 이후로 점차 증가하다 91시간 후부터 급격하게증가하여 118시간에는 6.73 log CFU/g이었다. 25oC에서는 4시간까지 일정하다가 14시간 이후로 급격히 증가하여 20시간에 6.00 log CFU/g을 지나 68시간에 7.13 log CFU/g까지 증가하였다. |
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