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논문 기본 정보

자료유형
학술저널
저자정보
Yoon, Jae-Hyun (Department of Food Science and Technology, Chung-Ang University) Bae, Young-Min (Department of Food Science and Technology, Chung-Ang University) Lee, Sun-Young (Department of Food Science and Technology, Chung-Ang University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제58권 제5호
발행연도
2015.1
수록면
693 - 701 (9page)

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초록· 키워드

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This study was conducted to develop predictive models for the growth of Staphylococcus aureus on Korean style cooked foods (potato salad, stir-fried boiled fish paste, seasoned baby aster, and stir-fried anchovies) as a function of various storage temperatures (from 15 to $35^{\circ}C$). The modified Gompertz equation was applied to fit the growth curves. Potato salad, stir-fried boiled fish paste, and seasoned baby aster showed the greatest specific growth rate by 1.219, 0.782, and $1.282{\log}_{10}CFU/h$ and the shortest lag time by 0.283, 0.407, and 0.374, respectively, when stored at $35^{\circ}C$. No growth of S. aureus was observed in stir-fried anchovies due to its low water activity. Subsequently, these results were employed to establish the secondary models, which were further used for validation using accuracy factor and bias factor. Overall, accuracy factor of less than 1.461 and bias factor of less than 1.093 were observed depending on different storage temperatures and a sort of contaminated food samples. These results will be used to develop the manual representing the safe storage period of Korean foods contaminated with pathogenic bacteria.

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