지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 993 - 997 (5page)
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초록· 키워드
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Inhibitory effects of organic acids combined with modified atmosphere packaging (MAP) on foodborne pathogens, including $Escherichia$ $coli$ O157:H7, $Salmonella$ Typhimurium, and $Listeria$ $monocytogenes$, on cabbage were evaluated. The cabbage samples were inoculated with cocktails containing each of the three stains, treated with three different organic acids (acetic, lactic, and malic acids) for 10 min at room temperature, and then dried. Populations of $E.$ $coli$ O157:H7, $S.$ Typhimurium, and $L.$ $monocytogenes$ on cabbage were significantly reduced by treatment with 2% acetic, 1% lactic, and 2% malic acids, and their reduction levels were 1.9, 3.3, and $2.6\;log_{10}\;CFU/g$, respectively. Cabbage samples were packaged using four different methods (air, vacuum, $N_2$ gas, and $CO_2$ gas) following treatment with distilled water or 2% lactic acid for 10 min at room temperature and then stored at $10^{\circ}C$. Initial populations of $E.$ $coli$ O157:H7, $S.$ Typhimurium, and $L.$ $monocytogenes$ on cabbage were approximately 6.2, 6.7, and $5.1\;log_{10}\;CFU/g$, respectively, and treatment with 2% lactic acid for 10 min reduced the three pathogens by 3.1, 3.3, and $2.4\;log_{10}\;CFU/g$, respectively. As a result, inhibitory effects of the pathogens were significantly reduced by 2% lactic acid than when using distilled water. MAP was effective in maintaining reduced levels of pathogens during storage following the treatments. However, no significant differences in the levels of pathogens were observed among the samples packaged under four different gas conditions.
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