| Occurrence of Bacillus cereus in milk and milk products in Egypt. | |
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MedLine Citation:
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PMID: 6428076 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The presence of B. cereus spores in raw, pasteurized, and dry milk as well as in Damietta and processed cheese and in a baby food product was investigated, using three selective agar media for enumeration. The organism was detected in 70, 90, and 50% of milk, in processed and Damietta cheese samples, respectively. Spore counts varied from 10(2) to 10(6) and from 10 to 10(2)/ml of raw and pasteurized milk, respectively. In the two types of cheese and dried milk spore densities reached 10 to 10(3)/g. Egg yolk agar (E) gave better recovery rate of B. cereus when compared to the other two media, containing lithium chloride plus polymyxine B- sulphat (I) or polymyxin B-sulphate alone (KG). The latter agar medium favoured the development of larger colonies, surrounded by a more distinctive zone of precipitation. |
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Authors:
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Z A Helmy; A Abd-El-Bakey; E I Mohamed |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Zentralblatt für Mikrobiologie Volume: 139 ISSN: 0232-4393 ISO Abbreviation: Zentralbl. Mikrobiol. Publication Date: 1984 |
Date Detail:
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Created Date: 1984-06-29 Completed Date: 1984-06-29 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 8209932 Medline TA: Zentralbl Mikrobiol Country: GERMANY, WEST |
Other Details:
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Languages: eng Pagination: 129-33 Citation Subset: IM |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Bacillus cereus / isolation & purification* Bacteriological Techniques Dairy Products* Egypt Food Microbiology* Milk / microbiology* Spores, Bacterial / isolation & purification |
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