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Food Microbiology

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How the PT trials are arranged

  • PT trials are arranged 4 times a year
  • Participants receive their samples in good time before the trial starts. The participants analyze their samples in the same 2-weeks period.
  • Participants submit their results within a final date, and receive a preliminary report approximately 2 weeks after the final date.
  • A final report is made available in approximately 5-6 weeks.
  • Due to holidays in the summer and around Christmas, the reports may be delayed.

The PT food program is divided in 3 different groups; non-pathogenic samples, pathogenic samples and samples for Thermotolerant Campylobacter and Pathogenic Vibrio spp. 

Non-pathogenic samples

Pathogenic samples

Vibrio and Campylobacter

The non-pathogenic samples are high dairy content dry foods consisting of 3 samples.

The samples contain a combination of bacteria and fungi that are suitable for quantitative determination.

The pathogenic samples are different dry foods like muesli, soup of vegetables, dessert mixes etc. 3 samples are provided.

The samples contain a combination of bacteria suitable for quantitative or qualitative determination.

Samples for Pathogenic Vibrio spp. and Thermotolerant Campylobacter are provided twice a year (April/May and October/November).

The trials are comprised of 3 samples of freeze dried ampoules.

  • Aerobic colony count
  • Enterobacteriaceae
  • Coliforms
  • Thermotolerant coliforms
  • Escherichia coli
  • Mould
  • Yeast
  • Bacillus cereus
  • Lactic acid bacteria
  • Contaminating microorganisms
  • Enterococcus
  • Coagulase positive Staphylococcus
  • Clostridium perfringens/ Sulphite-reducing bacteria
  • Salmonella spp
  • Listeria monocytogenes (quantitative + qualitative)
  • Escherichia coli O157

Special samples for Vibrio and Campylobacter can also be offered

Registration 

Details regarding date of the trials, registration and costs can be found here (Food MicrobiologyWater Microbiology).

What is proficiency testing? 

Please contact us for more information

Nina Skammelsrud
SLP Leder/PT Manager
+47 481 80 117
PT001@eurofins.no

Therese Lundberg
SLP koordinator/PT Coordinator
+47 945 04 182
PT001@eurofins.no