Path-Chek Listeria

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Listeria Path-Chek is a user friendly test system for the detection of Listeria spp in the production environment.
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Description

Listeria spp including Listeria monocytogenes are one of the most important pathogens in the food industry. Supplied as a kit in a ready to use format, the Listeria Path-Chek offers quality assurance personnel a simple user friendly diagnostic test which can be used anywhere in the production environment where Listeria spp would be critical.  

There are two components of the kit, a sterile pre-moistened swab and selective media tubes. The pre-moistened swab can neutralise any residual sanitisers and detergents on the test surface, ensuring that only true results are attained.  

A positive result is indicated by the media changing from a straw to black colour during the incubation period. This colour change of the media is due to the ability of Listeria spp hydrolysing the esculin present in the media. It is important to note that this result is a 'presumptive positive' and will need to be confirmed by a NATA Laboratory.

Advantages of Listeria Path-Chek:

  • Rapid and reliable solution to monitor and control microbiological contamination of surface areas in food industry
  • Laboratory not required
  • Ready to use
  • Easy to interpret results available within 24 - 48hrs
  • ISO: 18935: 2004 (E) Compliant

Method:

  1. Label a media tube with the identification of the test site.
  2. Use the pre-moistened swab to sample the test surface by rubbing the cotton head back and forth over the test area. It is important to remember to rotate the swab head whilst swabbing so that the whole swab surface is used.  Normally a 10cm2 area is tested for flat surfaces. If a non-flat / irregular shaped surface is being tested, take a representative sample.
  3. Remove the lid of the media tube and place the swab into the media.
  4. Aseptically break the end of the swab shaft so that the media tube cap can be placed back onto the tube.
  5. Incubate the media tube and swab in a vertical position at 28-30°C for 24 – 48hours.
  6. After 24hrs remove tubes from incubator and look for a colour change in the media. The presence of Listeria spp is indicated by the media changing from a straw colour to a brown or black colour. If after 24hrs the media remains a straw colour, re-incubate for a further 24hrs.

 

 Ordering Details:

  • Pack of 25               Product Code: MGPATHL25
  • Pack of 100             Product Code: MGPATHL100

 

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