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Glucuronidase activity of Escherichia coli isolated from chicken carcasses BJM
Perin,Luana Martins; Yamazi,Anderson Keizo; Moraes,Paula Mendonça; Cossi,Marcus Vinícius Coutinho; Pinto,Paulo Sérgio de Arruda; Nero,Luís Augusto.
To identify Escherichia coli through the production of β-D-glucuronidase (GUD), 622 suspect cultures were isolated from chicken carcasses and plated in PetrifilmTM EC. Of these cultures, only 44 (7.1%) failed to produce GUD. This result indicates the usefulness of GUD production for estimating E. coli populations in chicken.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Escherichia coli; Glucuronidase activity; Chicken.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822010000300036
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Inspected and non-inspected chilled chicken carcasses commercialized in Viçosa, MG, Brazil: microbiological parameters and Salmonella spp. occurrence Ciência Rural
Cossi,Marcus Vinícius Coutinho; Almeida,Michelle Vieira de; Dias,Mariane Rezende; Pinto,Paulo Sérgio de Arruda; Nero,Luís Augusto.
Sixty samples of chilled chicken carcasses submitted (30) and not submitted (30) to Brazilian inspection services were analyzed to investigate if inspected and non-inspected chilled carcasses represented different food safety risks in the region of Viçosa, MG, Brazil. The mean counts of indicator microorganisms (mesophilic aerobes, Enterobacteriaceae, total coliforms and Escherichia coli) of samples belonging to the inspected and non-inspected lots did not present significant differences (P>0.05). Also, no significant differences (P>0.05) were observed for the numbers of Salmonella spp. and E. coli (higher than 2log cfu g-1) between samples submitted or not to inspection. Statistical differences were observed between the two sample classes...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Inspection; Salmonella; Escherichia coli; Enterobacteriaceae; Hygiene indicators.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782012000900025
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