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An investigation of the inhibitory properties of sodium thioglycollate in media for the recovery of clostridial spores

Published online by Cambridge University Press:  15 May 2009

H. R. Hibbert  and
R. Spencer
H. R. Hibbert
Affiliation:
British Food Manufacturing Industries Research Association, Leatherhead, Surrey
R. Spencer
Affiliation:
British Food Manufacturing Industries Research Association, Leatherhead, Surrey
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Summary

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The effect of various concentrations of sodium thioglycollate (0–0·05 %) on the recovery of spores of four strains of clostridia was investigated. The results showed that thioglycollate at a concentration of 0·01 % can be inhibitory to some clostridia. However, the results also indicated that the inhibitory effect is dependent upon the composition of the growth medium. The presence of glucose appeared to be particularly important in reducing the inhibitory effect. These findings support the view that the use of sodium thioglycollate in sterility test media should be discontinued.

Type
Research Article
Information
Journal of Hygiene , Volume 68 , Issue 1 , March 1970 , pp. 131 - 135
Copyright
Copyright © Cambridge University Press 1970

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