Patent ID: 7691601

Claim:
Medium for detecting and/or identifying a bacterium present in a sample, comprising: a culture medium, at least one substrate that can be hydrolysed to a labelled product by an esterase not free in the sample, and specific for said bacterium, wherein said bacterium is of a genus selected from the group consisting of Salmonella and Staphylococcus , and at least one inhibitor of at least a second enzyme, different from the first enzyme or identical to it, but free in said sample and not originating from said bacterium, wherein the inhibitor is a compound of formula (I) in which R 1 is a hydrogen atom, or an alkyl, aryl or halogen group, R 2 is a hydrogen atom, or an alkyl, aryl or halogen group, R 3 is nothing, or an alkyl, aryl or NO 2 group.