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Microbiological quality of milk from two processing plants in Gaborone Botswana.

Author(s) : AAKU E. N., COLLISON E. K., GASHE B. A., et al.

Type of article: Article

Summary

Raw and bottled commercial pasteurized milk from two processing plants in Gaborone, Botswana were assessed for mesophilic, psychrotrophic, proteolytic and lipolytic bacteria. Corynebacterium pseudodiphtheriticum (44%) and Bacillus brevis (72%) predominated in raw and commercial pasteurised milk respectively. Trypsin and chymotrypsin were detected in isolates of Bacillus circulans, Pseudomonas cichorii and Micrococcus lentus. Esterase and esterase lipase activity were observed in Corynebacterium nitrilophilus, Pseudomonas fragi, B. circulans, Bacillus coagulans, and M. lentus. The study demonstrated that post-process contamination and ineffective pasteurisation compromised the quality and shelf life of pasteurised milk.

Details

  • Original title: Microbiological quality of milk from two processing plants in Gaborone Botswana.
  • Record ID : 2004-2370
  • Languages: English
  • Source: Food Control The International Journal of HACCP and Food Safety - vol. 15 - n. 3
  • Publication date: 2004/04

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