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Antibiotic Resistance Patterns of Enterococcus spp. Isolated From Commercial Frozen Foods  

Park, Sun-Hee (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Kim, Kyung-Sig (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Yoo, Young-A (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Lee, Jae-Kyoo (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Jung, Sung-Kook (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Han, Ki-Young (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Kim, Moo-Sang (Seoul Metropolitan Gorvernment Research Institute of Public Health and Environment)
Publication Information
Journal of Food Hygiene and Safety / v.25, no.2, 2010 , pp. 122-128 More about this Journal
Abstract
From April to December in 2009, microbial investigation is accomplished for 100 frozen foods asked to microbial control team that corresponds with total aerobic viable bacteria, coliform group, Escherichia coli, Enterococcus spp. and antibiotic resistance patterns of Enterococcus spp. isolates are investigated. Average of total erobic viable bacteria numbers is $4.3{\times}10^4CFU/g$. Average of coliform group numbers is $4.3{\times}10^3CFU/g$. Average f Enterococcus spp. numbers is $1.8{\times}10^3CFU/g$. Escherichia coli from 100 frozen foods is not detected and detection ate is 0.0%. 22 Enterococcus spp. are isolated from 100 frozen foods. 12 of 22 Enterococcus spp. strains are identified as E. faecium. 7 of 22 Enterococcus spp. strains are identified as E. faecalis. 2 of 22 Enterococcus spp. trains are identified as E. gallinarum. 1 of 22 Enterococcus spp. strains is identified as E. hirae. Enterococcus spp. solates show a high resistance to erythromycin, rifampin, tetracycline, ciprofloxacin, chlorampenicol, penicillin and susceptibility to vancomycin, ampicillin, gentamicin, strepomycin, linezolid. 15 of 22 Enterococcus spp. strains are multi-resistant and the most frequent multi-resistant pattern is erythromycin-rifampin for 6 Enterococcus spp. strains.
Keywords
Antibiotic resistance; Enterococcus spp.; Frozen foods;
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