Voges-Proskauer test

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Voges-Proskauer test2016-12-26T10:36:57+00:00

Voges-Proskauer test 


A colour test used to differentiate among the family Enterobacteriaceae, which consists of

Voges-Proskauer test image from New Medical Terms

Voges-Proskauer test

adding alpha-naphthol, then KOH to Voges-Proskauer broth, which has been inoculated with bacteria


• V-P positive (bright red colour) Enterobacter, Klebsiella, Serratia, Hafnia alvei, Vibrio eltor, Vibrio alginolyticus

• V-P negative (yellow brown) Citrobacter sp., Shigella, Yersinia, Edwardsiella, Salmonella, Vibrio furnissii, V fluvialis, V vulnificus, and V parahaemolyticus.

• V-P variable Erwinia


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