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496. The associative growth of Bacillus cereus and Streptococcus lactis in milk

Published online by Cambridge University Press:  01 June 2009

Ellen I. Garvie  and
M. Jean Stone
Ellen I. Garvie
Affiliation:
National Institute for Research in Dairying, University of Reading
M. Jean Stone
Affiliation:
National Institute for Research in Dairying, University of Reading
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Extract

It has been found that when three strains of Bacillus cereus are grown in turn with each of two strains of Streptococci lactis and two strains of the coli-aerogenes group, the growth of the spore-formers is neither suppressed nor stimulated. It has been confirmed, however, that the spore-former is unlikely to develop if the milk is held at 15°C. or below. Broken cream results if marked growth of B. cereus occurs. A nisin-producing strain of Str. lactis did not retard the development of the spore-former in milk, but after initial increase the numbers of B. cereus decreased. Broken cream was not prevented.

Type
Original Articles
Information
Journal of Dairy Research , Volume 20 , Issue 1 , February 1953 , pp. 29 - 35
Copyright
Copyright © Proprietors of Journal of Dairy Research 1953

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References

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