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Serological detection of enterotoxin in foods implicated in staphylococcal food poisoning

Published online by Cambridge University Press:  15 May 2009

R. J. Gilbert ,
Antonnette A. Wieneke ,
Janice Lanser  and
Magda Šimkovičová
R. J. Gilbert
Affiliation:
Food Hygiene Laboratory, Central Public Health Laboratory, Colindale Avenue, London NW9 5HT
Antonnette A. Wieneke
Affiliation:
Food Hygiene Laboratory, Central Public Health Laboratory, Colindale Avenue, London NW9 5HT
Janice Lanser
Affiliation:
Food Hygiene Laboratory, Central Public Health Laboratory, Colindale Avenue, London NW9 5HT
Magda Šimkovičová
Affiliation:
Food Hygiene Laboratory, Central Public Health Laboratory, Colindale Avenue, London NW9 5HT
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Summary

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Two methods are described for the extraction of enterotoxin from foods incriminated in incidents of staphylococcal food poisoning. Enterotoxin was detected serologically in 12 of 24 food samples from 20 separate incidents: eight samples contained enterotoxin A, three contained D and one both A and B. The amount of enterotoxin in nine foods, based on 100 % recovery, varied from 0·02 to 0·09 μg./g.

Data are also given on the numbers of Staphylococcus aureus isolated from samples of food from 39 food poisoning incidents. Colony counts varied between 7·5 × 105 and 9 × 109/g. with a median value of 7 × 107/g.

Type
Research Article
Information
Journal of Hygiene , Volume 70 , Issue 4 , December 1972 , pp. 755 - 762
Copyright
Copyright © Cambridge University Press 1972

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