Raw milk cheeses from Beira Baixa, Portugal—A contributive study for the microbiological hygiene and safety assessment
Brazilian Journal of Microbiology(2024)
Abstract
Due to specific bacterial microbiota, raw milk cheeses have appreciated sensory properties. However, they may pose a threat to consumer safety due to potential pathogens presence. This study evaluated the microbiological contamination of 98 raw milk cheeses from Beira Baixa, Portugal. Presence and enumeration of Coagulase Positive Staphylococci (CPS), Listeria monocytogenes, Salmonella spp., pathogenic Escherichia coli, and indicator microorganisms (non-pathogenic E. coli and Listeria spp.) was attained. E. coli antimicrobial resistance (AMR) was also evaluated. PCR and/or Whole genome sequencing (WGS) was used to characterize E. coli, Salmonella spp. and L. monocytogenes isolates. Sixteen cheeses (16.3
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Key words
Raw milk cheese,Listeria monocytogenes,Escherichia coli,Coagulase Positive Staphylococci,Salmonella spp.,Whole-genome sequencing (WGS),Portugal
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