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Prevalence and Frequency of Food-borne Pathogens on Unprocessed Agricultural and Marine Products  

Kim, Soo-Hwan (Department of Food Science and Biotechnology, Kyungwon University)
Kim, Jong-Shin (Department of Food Science and Biotechnology, Kyungwon University)
Choi, Jung-Pil (Department of Food Science and Biotechnology, Kyungwon University)
Park, Jong-Hyun (Department of Food Science and Biotechnology, Kyungwon University)
Publication Information
Korean Journal of Food Science and Technology / v.38, no.4, 2006 , pp. 594-598 More about this Journal
Abstract
The aim of this study was to investigate the prevalence and frequency of food-borne pathogens in unprocessed Products such as grains, tubers, vegetables, and seaweeds. Three hundred and twenty seven samples were purchased from the retail market and the supermarket in the Kyonggi-do and Seoul areas, and washed with running tap water for 4 minutes. The total aerobic bacteria count was approximately 2 to 6 log CFU/g and the highest counts were 6 log CFU/g far lettuce and sesame leaf. The coliform count showed 1-5 log CFU/g and the highest counts were 4 log CFU/g for lettuce and carrot. Escherichia coli was detected in seven samples of white rice, sweet potato, lettuce, sesame leaf, and cabbage. Clostridium perfringens was detected in six samples of brown seaweed, laver, lettuce, and sweet potato. However, Bacillus cereus contamination was found in more than 30% of brown rice, carrot, sweet potato, lettuce and sesame leaf samples, and some of these showed contamination of more than 2.0 log CFU/g. Therefore, these results suggest that pretreatment with sanitizer to remove Bacillus cereus in such products is necessary.
Keywords
unprocessed agricultural and marine products; microbial contamination; B. cereus; Cl. perfringens;
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Times Cited By KSCI : 1  (Citation Analysis)
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