PP3005 – Primary UTI Chromogenic Agar

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PP3005 – Primary UTI Chromogenic Agar

Recent developments in culture media have given rise to the use of chromogenic substrates as a means of differentiating bacteria particularly among the coliform group of organisms. This is one such medium and has been developed with the aim of simplifying the differentiation and presumptive identification of the main organisms usually found in Urinary Tract Infections. Based on the traditional CLED Medium, to prevent the swarming of Proteus spp, two chromogens are present in the medium. One allows the detection of enterococci giving rise to blue colonies whilst the second results in purple colonies of E. coli. Phenylalanine and Tryptophan are also included as indicators of Tryptophan Deaminase activity producing brown colonies of Proteus spp.

SKU: PP3005 Categories: ,

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Organisms Ref. No Result
Enterococcus faecalis NCTC 12697 Turquoise blue colonies
Escherichia coli NCTC 12241 Purple colonies
Proteus mirabilis NCTC 10975 Clear colonies with brown halo
Enterobacter aerogenes NCTC 10006 Metallic blue colonies
Staphylococcus aureus NCTC 12981 White colonies

 

  PP3005 – Primary UTI Chromogenic Agar