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Hygienic-sanitary quality and antimicrobial sensitivity profile of Escherichia coli in milk and cheese sold illegally in municipalities of northern Mato Grosso, Brazil

Pena, Renata Henriques Ragi ; Freitas, Filipe ; Castro, Bruno Gomes de

Arquivos do Instituto Biológico (São Paulo), 2021, Vol.88, p.1 [Periódico revisado por pares]

Sao Paulo: Instituto Biologico

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  • Título:
    Hygienic-sanitary quality and antimicrobial sensitivity profile of Escherichia coli in milk and cheese sold illegally in municipalities of northern Mato Grosso, Brazil
  • Autor: Pena, Renata Henriques Ragi ; Freitas, Filipe ; Castro, Bruno Gomes de
  • Assuntos: Antiinfectives and antibacterials ; Antimicrobial agents ; Biochemical tests ; Cheese ; Dairy products ; Disease transmission ; E coli ; Escherichia coli ; Foodborne diseases ; Hygiene ; Legislation ; Methylene blue ; Milk ; Most probable number ; Municipalities ; Public health ; β Lactamase
  • É parte de: Arquivos do Instituto Biológico (São Paulo), 2021, Vol.88, p.1
  • Descrição: Products such as milk and cheese produced by hand and sold by small producers in open markets and at home are a reality in Brazil, despite legal prohibitions. In many cases, this leads to the production of food without hygienic conditions, which may constitute an important source of transmission of foodborne diseases and a danger to public health. This study proposes to examine the hygienicsanitary quality of milk and cheese sold illegally in municipalities of northern Mato Grosso, Brazil, to undertake a phenotypical investigation of the presence of resistance of isolated colonies to antimicrobials and to detect the production of β-lactamase enzymes: extendedspectrum β-lactamase (ESBL), AmpC β-lactamases (AmpC) and carbapenemases. The 25 milk and 37 cheese samples analyzed were subjected to the most probable number (MPN) test, isolation on eosin-methylene blue agar (EMB) agar and Escherichia coli identification by biochemical tests and disk diffusion test. Results showed that 76% of the milk samples and 67.57% of the cheese samples had thermotolerant coliform counts above the value allowed by the legislation. The milk and cheese isolates showed 15.79 and 5.88% resistance, respectively, to at least one of the tested antimicrobials. No β-lactamase enzyme production was observed in the isolates.
  • Editor: Sao Paulo: Instituto Biologico
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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