Document Detail

Occurrence of Bacillus cereus in milk and milk products in Egypt.
MedLine Citation:
PMID:  6428076     Owner:  NLM     Status:  MEDLINE    
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.
Z A Helmy; A Abd-El-Bakey; E I Mohamed
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Zentralblatt für Mikrobiologie     Volume:  139     ISSN:  0232-4393     ISO Abbreviation:  Zentralbl. Mikrobiol.     Publication Date:  1984  
Date Detail:
Created Date:  1984-06-29     Completed Date:  1984-06-29     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  8209932     Medline TA:  Zentralbl Mikrobiol     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  129-33     Citation Subset:  IM    
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MeSH Terms
Bacillus cereus / isolation & purification*
Bacteriological Techniques
Dairy Products*
Food Microbiology*
Milk / microbiology*
Spores, Bacterial / isolation & purification

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