| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
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| Outline of Final Research Achievements |
To investigate the bacterial contamination of ready-to-eat (RTE) foods retailed in Japan, the prevalence of Enterobacteriaceae and foodborne bacterial pathogens in 96 Japanese light pickles, 88 western-style sweets, and 98 Japanese seafood products was detected in this study. Enterobacteriaceae was isolated from 92 (95.8%) Japanese light pickes, 39 (44.3%) western-style sweets, and 74 (75.5%) Japanese seafood products. Additionally, enterotoxin-producing Staphylococcus aureus strains were isolated from 2 Japanese light pickes, 2 western-style sweets, and 1 Japanese seafood product. On the other hand, the prevalence of C. braakii/freundii, E. cloacae complex, E. coli, K. oxytoca, K. pneumonia, P. mirabilis, and S. marcescens in these RTE foods was determined by bacterial species identifications of Enterobacteriaceae. Moreover, the third-generation cephalosporin-, FOM-, or quinolone-resistant strains were detected by antimicrobial disk susceptibility tests.
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