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Qualidade microbiológica de leites pasteurizados comercializados em um município do Oeste do Paraná

Authors: Schu, Karla Milena; De Souza Zat, Luciana Hugue;

Qualidade microbiológica de leites pasteurizados comercializados em um município do Oeste do Paraná

Abstract

O leite de vaca é um alimento altamente suscetível a contaminação bacteriana em função de sua composição rica em nutrientes de alto valor nutricional. Assim, é importante que este alimento seja obtido e beneficiado com higienização adequada, além de passar por tratamento térmico apropriado. Entre as bactérias mais comuns que podem comprometer a qualidade do leite, estão as da família Enterobacteriaceae, as quais podem reduzir sua vida de prateleira e causar diversas doenças de origem alimentar como salmonelose, yersiniose e toxinfecção por E. coli. Neste estudo, objetivou-se realizar uma análise da qualidade microbiológica de leites pasteurizados comercializados em um município do oeste do Paraná, através da contagem de Enterobacteraceae. Foram analisadas seis amostras de leites de duas marcas diferentes e de lotes discrepantes. Os resultados obtidos apresentaram-se acima do padrão estabelecido pela legislação. Este fato pode indicar que ocorreram problemas nos procedimentos pós-pasteurização, temperatura do tratamento, transporte ou armazenamento inadequados, ou até mesmo quantidade exagerada de bactérias no leite cru prévio à pasteurização. Portando, este trabalho mostra a necessidade de fiscalização veterinária em procedimentos pós-pasteurização para diminuir riscos relacionados à perda de vida útil do produto e de riscos relacionados à saúde pública.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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