1 Clear differentiation of Yersinia among background flora
Background flora, such as Citrobacter, often has a Yersinia-like red aspect on CIN agar
which generate a heavy routine workload on false positive results. Thanks to CHROMagar
Y.enterocolitica, this unnecessary workload will be eliminated as only pathogenic Yersinia
enterocolitica colonies will grow mauve.
2 Colourful differentiation of pathogenic
among non pathogenic Yersinia enterocolitica
In traditional culture media like CIN agar, pathogenic and non-pathogenic biotypes have the
same aspect. On CHROMagar Y.enterocolitica, the pathogenic biotypes grow in a distinctive
mauve colour, differentiated at a glance, from the non pathogenic which will grow metallic
HIGH SELECTIVITY: REDUCTION OF BACKGROUND FLORA
Background flora is dramatically reduced on CHROMagar Y.enterocolitica allowing an easy
reading of the plates. The laboratory will concentrate its efforts and resources only on suspect
colonies that have a real potential of pathogenicity.
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