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Listeria Genus & Listeria Monocytogenes Testing

 
 

Rapid Testing Solutions for Detection
of Listeria Monocytogenes & Listeria Genus

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Among the known Listeria species, Listeria monocytogenes is one of the most widely distributed foodborne pathogens in the world. Listeria are typically able to grow at refrigeration temperatures (2–8°C), thereby increasingly causing contamination of ready-to eat foods. In risk-related quality controls of food, tests should be run for L. monocytogenes and for the Listeria genus in general. The presence of Listeria – in particular of L. innocua – is an indicator for critical hygienic conditions in the production process.

A comprehensive selection of innovative products is available from Merck for the enrichment, detection and isolation of Listeria genus and Listeria monocytogenes. These include:

  • Dehydrated Culture Media: Unique and convenient granulated media meeting the highest industry performance standards as stipulated in ISO 11133. To speed up and simplify your pathogen testing routines we offer now also preweighed and gamma-irradiated Readybag® media pouches for quick and simple Listeria testing.
  • Our latest innovation are Readybag® preweighed and gamma-irradiated media pouches to speed up and simplify your pathogen testing routines.
  • Singlepath® Lateral Flow Tests: Innovative immunoassays in the format of “pregnancy tests” for detection with ultimate convenience in as little as 20 minutes after the enrichment step.

Ordering Information

Method ISO 11290-1 FDA-BAM Chapter 10 FSIS MLG 8.07
Pre-enrichment Half Fraser Broth, 30±2°C, 24±3 h bLEB base broth, 30°C, 4 h UVM, 30±°2C, 22±2 h
Selective enrichment Fraser Broth, 35-37°C,
48±3 h
bLEB w. selective agents added, 30°C, 20 h (44 h) MOPS-bLEB, 35±2°C, 22±2 h or
Fraser Broth, 35±2°C,
24 h (48 h)
Isolation ALOA agar + additional, 24±3 h /
(48±3 h)
Oxford, Palcam, Chromocult Listeria, 35°C, 24 – 48 h MOX-agar, 35±2°C, 24±2 h
 
 
Readybag

Increase Lab Efficiency

With Readybag® Media Pouches for Bulk
Food Samples.

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Compliant Listeria monocytogenes
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