Psychrotrophic bacterial flora of raw ewes'milk, with particular reference to Gram negative rods |
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| Authors: | JA Nuñez FJ Chavarri M Nuñez |
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| Institution: | Departamento de Bioquímica y Microbiología, I.N.I.A., Apartado 8111, Madrid, Spain |
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| Abstract: | 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. |
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