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  • Title: [Verification of the proteolytic and lipolytic activities of the microbial flora isolated from raw, refrigerated, type B milk. II. Psychrotrophic microorganisms].
    Author: Silveira IA, Carvalho EP, Teixeira D, Barrios BE.
    Journal: Rev Latinoam Microbiol; 1999; 41(2):85-9. PubMed ID: 10932755.
    Abstract:
    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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