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The effect of temperature fluctuations on the bactericidal effectiveness of continuous heat-treatment processes

Published online by Cambridge University Press:  01 June 2009

H. Burton  and
A. M. Cocks
H. Burton
Affiliation:
National Institute for Research in Dairying, Shinfield, Reading
A. M. Cocks
Affiliation:
The A.P.V. Co. Ltd., Crawley, Sussex
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Summary

In correctly operated continuous heat-treatment plant the processing temperature is maintained at a sufficiently elevated level to give the desired thermal death rate for any micro-organisms present before treatment. This paper shows that if through imperfect operation of the plant, the processing temperature fluctuates about the required level, the chances of survival for bacteria and spores will theoretically be increased. Tabulated results show the magnitude of the effect under varying conditions and the compensating increase in processing temperature to counteract it.

Information

Type
Original Articles
Information
Journal of Dairy Research , Volume 36 , Issue 2 , June 1969 , pp. 251 - 258
Copyright
Copyright © Proprietors of Journal of Dairy Research 1969

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References

REFERENCES

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