New NordVal International certificates

NordVal International Certificate 038 "iQ-Check® Salmonella II kit" from Bio-Rad has been renewed. NordVal International has recalculated the data for the method according to ISO 16140-2:2016 and concludes that the method for detection of Salmonella  spp. on a broad range of foods provides results equivalent to the results from the reference method. See the certificate here.

 

NordVal International Certificate 039 "BAX® System Real-Time PCR Assay for Campylobacter jejuni / coli and lari" from Qualicon has been renewed. NordVal International has recalculated the data for the methods according to ISO 16140-2:2016, and concludes that the method for chicken cloacae swabs provides results equivalent to the results from the reference method. See the certificate here

 

NordVal International Certificate 020 "RAPID’E.coli 2 Agar" from Bio-Rad has been renewed. New studies have been conducted according to ISO 16140-2:2016 and the results reveal that the method provides results equivalent to the results of the reference method for determination of both E.coli and total coliforms in a broad range of foods. See the certificate here

 

NordVal International Certificate 001 ” TRANSIA® PLATE Salmonella Gold” af BioControl has been renewed.The studies for the extension and the sensitivity study were carried out in 2016 according to the requirements of ISO 16140-2:2016. TRANSIA® PLATE Salmonella Gold is based on a three-step, sandwich-type ELISA (Enzyme Linked ImmunoSorbent Assay) using a microtitre plate with divisible strips coated with antibodies specific for Salmonella and ready-to use reagents. See the certificate here

 

NordVal certificate No. 046 for DNA Diagnostics method Salmonella Velox has been extended to also cover ready-to-eat og ready-to-reheat products. See the certificate for determination of Salmonella here.

 

 

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Sensory quality control method for drinking water has been updated

NMKL Method 183 describes the sensory quality control method for drinking water. The Finnish / English version of the method has been updated and now includes also test setup and parameters for the appearance of drinking water. Furthermore, the references have been updated. Update of the Norwegian / English version is expected to be ready early 2018.

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Updated method on aerobic or anaerobic microorganisms or bacterial spores. Enumeration on blood agar.

New version of NMKL method 189: "Aerobic or anaerobic microorganisms or bacterial spores. Enumeration on blood agar." is available.

This method describes a procedure for monitoring bacteria and/or their spores in the production process and in control of all kinds of food, feed or water. It is a useful tool for determining the heat treatment needed in a production process or the shelf-life of a product. It can also be used as a supplementary analysis when investigating causes of suspected food or waterborne infections or poisoning. This method does not replace Aerobic Plate Count (NMKL No. 86), but it may be used as a supplement. For example, surface inoculation on blood agar may give valuable information regarding the colony morphology and haemolytic activity of the colonies present in the sample.

To this updated edition of NMKL method No. 189 the following changes have been introduced:

  • The chapter “introduction” has been added
  • The incubation time when determining spores has been changed from 8 days to 3 days with a possibility to prolong the incubation up to 6 days, when necessary
  • References have been updated

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Updated method for determination of metals in foodstuffs

NMKL procedure No. 139, "Metals. Determination by atomic absorption spectrophotometry in foodstuffs" has been updated. The change from the previous version is the inclusion of the matrixes included in the collaborative study and the results thereof. In the previous version, chromium and nickel were included. However, the results of the collaborative study for these elements were not satisfactory and hence it is concluded that the method does not seem to be the best for these metals.

 

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Updated procedure on quality control of microbiological culture media

A new version of NMKL procedure No. 10, "Quality control of microbiological culture media", is available in English; it has been updated with several clarifications.

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New method on quality control test - Sensory evaluation of marine oils

NMKL method No. 201 describes a sensory quality test of marine oils as an umbrella term for oils extracted from fish, shellfish or marine mammals that are rich in healthy polyunsaturated fatty acids. The method is general and requires that the users of the method set up their own sensory product specifications for the oils they will test or use reference oil.

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Updated procedure on sensory analysis of fish and shellfish

A new version of NMKL procedure No. 21, "Guide for sensory analysis of fish and shellfish", is available; list of reference has been updated. The procedure is available in both English and Finnish.

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Updated method on detection of Shigella spp. with real-time PCR in food

An updated version of method No. 174, "Shigella spp. and Enteroinvasive Escherichia coli (EIEC). Detection with real-time PCR in food" is available. The method has changed from conventional PCR to real-time PCR for the detection of Shigella spp. The real-time PCR has an internal amplification control (IAC) included in the analysis.

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NordVal is an independent, 3rd party that evaluates the quality characteristics and applications of alternative microbiological methods in the analysis of food, water, feedd and environmental samples

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