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Verification of the proteolytic and lipolytic activities of the microbial flora isolated from raw, refrigerated, type B milk. II. Psychrotrophic microorganisms



Verification of the proteolytic and lipolytic activities of the microbial flora isolated from raw, refrigerated, type B milk. II. Psychrotrophic microorganisms



Revista Latinoamericana de Microbiologia 41(2): 85-89



The aim of this work was to evaluate the microbiological quality of raw type B milk, kept under refrigeration at 3 degrees C, for a period of 15 days. The milk was enumerated and isolated a total of 180 microorganisms, of which 80 were psychrotrophics. The ability of these microorganisms to produce lipolysis and/or proteolysis in the milk was evaluated. Concerning the microbiological analysis, the samples analyzed presented high values for total counting. The results from the initial counting were 2.7 x 10(4) UFC/ml for psychrotrophic, with a predominance of Gram negative bacilli, which were highly lipolytic and had proteolytic activities associated.

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Accession: 047929465

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PMID: 10932755


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