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Hig. aliment ; 27(226/227): 116-121, 30/12/2013. tab
Article Dans Portugais | LILACS | ID: biblio-964179

Résumé

Foram avaliadas as características microbiológicas do leite pasteurizado tipo C, comercializado em diferentes supermercados do município de Teixeira de Freitas-BA, comparando-as com os padrões estabelecidos pela legislação em vigor, verificando a presença de coliformes totais e termotolerantes e presença de Escherichia coli através de testes bioquímicos. Foram analisadas 24 amostras de quatro diferentes marcas comerciais. Das 24 (100%) amostras, 19 (79,16%) apresentaram coliformes totais e destas, 15 (62,50%) amostras apresentaram contaminação por coliformes termotolerantes, sendo consideradas impróprias para o consumo. Através dos testes bioquímicos foi possível identificar gêneros e espécies bacterianas da família Enterobacteriaceae.


The microbiological characteristics of milk type C had been evaluated, commercialized in different supermarkets of the Teixeira de Freitas-BA city, comparing them with the standards established for the legislation in vigor, verifying the presence of total and thermotolerants coliforms and presence of Escherichia coli through tests biochemists. 24 samples of four different commercial marks had been analyzed. Of the 24 (100%) samples, 19 (79.16%) had presented total coliforms and of these 15 (62.50%) samples had presented contamination for thermotolerants coliforms, being considered improper for the consumption. Through the tests biochemists it was possible to identify bacterial species of the Enterobacteriaceae family.


Sujets)
Contamination des aliments , Colimétrie/analyse , Lait , Enterobacteriaceae , Commerce des Produits , Échantillons Alimentaires , Production Alimentaire , Qualité alimentaire , Produits laitiers , Microbiologie alimentaire
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