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Psychrotrophic bacterial flora of raw ewes’milk, with particular reference to Gram negative rods
Author(s) -
Nuñez J.A.,
Chavarri F.J.,
Nuñez M.
Publication year - 1984
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1984.tb02353.x
Subject(s) - psychrotrophic bacteria , flora (microbiology) , raw milk , biology , microbiology and biotechnology , pseudomonas fluorescens , gram , pseudomonas , food science , penicillin , bacteria , antibiotics , genetics
The microbial flora of 141 samples of raw ewes’milk was determined, before and after storage for 72 h at 4° and 7°C. Penicillin‐resistant bacteria represented ca 61% of 1760 psychrotrophic isolates from refrigerated milk samples. Pseudomonas fluorescens and Pseudomonas fluorescent group‐related strains predominated ( ca 86%) in the Gram negative psychrotrophic microflora. Leuconostoc dextranicum was the most frequent Gram positive psychrotrophic species isolated.