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Harlequin™ Chromogenic Media

Chromogenic culture media provide a rapid and accurate method of isolating and enumerating target micro-organisms based on the detection of specific enzyme activities.

Not only do chromogenic media enable faster detection of specific micro-organisms compared with classical culture media, they also improve sensitivity and can reduce the need for subculture or confirmatory tests.

Lab M’s HarlequinTM range of chromogenic media includes products for the isolation of Listeria species, Salmonellae, Escherichia coli and Enterobacter (formerly Cronobacter) sakazakii.

Showing 1 to 8 of 10

Harlequin CSIM (ISO)
A chromogenic medium for the isolation of Cronobacter sakazakii from milk and milk products as described in ISO/TS 22964:2006(E).
Harlequin™ Chromogenic Agar for Salmonella Esterase (CASE)
CASE is a selective chromogenic agar for the detection of Salmonella. It utilises a dual chromogenic system to differentiate between Salmonella and non-target organisms that grow on the agar.
Harlequin™ Chromogenic Coliform Agar (ISO)
Chromogenic Coliform Agar (CCA) is recommended by ISO 9308-1 for the simultaneous detection and enumeration of β-glucuronidase-positive Escherichia coli and β-D-galactosidase positive coliform bacteria using membrane filtration from water samples.
Harlequin™ Cronobacter Isolation Agar (ISO)
Chromogenic Cronobacter Isolation (CCI) is recommended by ISO 22964 for the isolation and identification of Cronobacter spp. (formerly Enterobacter sakazakii).
Harlequin™ E.coli/Coliform Medium
A dual chromogenic medium for the simultaneous enumeration of Escherichia coli and coliforms in food and environmental samples.
Harlequin™ Listeria Chromogenic Agar
A selective medium for the isolation and presumptive identification of Listeria monocytogenes from foodstuffs and related materials.
Harlequin™ mLGA
A selective chromogenic media for the simultaneous enumeration of Escherichia coli and coliforms.
Harlequin™ Salmonella ABC Medium
A dual chromogen medium for the isolation of Salmonellae from food and clinical samples (including Salmonella typhi and paratyphi).