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자료유형
학술저널
저자정보
저널정보
한국수산과학회 Fisheries and Aquatic Sciences Fisheries and Aquatic Sciences 제7권 제2호
발행연도
2004.1
수록면
64 - 69 (6page)

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초록· 키워드

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A bacteriological survey for 20 large grocery stores (M1 to M20) in Korea was investigated for one year. The average detection rate of Esherichia coli was 22% (166/763) for 7 kinds of ready-to-eat food through the year, where each grocery store and each type of food showed different detection rates. Eleven grocery stores showed lower detection rates, while 9 grocery stores showed a higher than average rate. Especially, M3 showed a rate that was twice as high as the average and one which was 7 times higher than M14, which had the lowest rate of 6% E. coli detection. The detection rate for each type of food was: 38% (41/109) for Kimbop, 31% (34/109) for vegetable salad, 19% (21/109) for bean-curd, 18% (20/109) for the cooked materials used in making Kimbop, 17% (19/109) for Hoe (sliced raw fish) and Sushi (Japanese vinegared rice delicacies), and 11% (12/109) for cooked pork hock. During the summer, the E. coli detection rate averaged 43% (71/166), which was twice as high as other seasons. Most (89/100) of the food contacting surfaces contained more than the critical limit (1.3log10CFU/10cm2) of aerobic viable cell counts (AVC). The log10 AVC and log10 coliform count (CC) of 218 meat samples (beef, pork, and chicken) ranged between 4.6-7.1 CFU/g and 1.9-6.4CFU/g, except for 41 meat samples (19%) which were found to contain no coliform. There was a definite correlation between the log10 AVC and log10 CC, and the values of log10 CC made a more accurate straight than the log10 AVC, which are variable. From these results, it is suggested that a detection rating of less than 2.1CFU/g of log10 CC (correspond to 5.0CFU/g of log10 AVC) is the critical point of freshness, and a rating of more than 6.3CFU/g of log10 CC (correspond to 7.0CFU/g of log10 AVC) can be considered an initial spoilage point.

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