Bulletin of the IDF N° 483/2016: Fluorimetric method for the determination of alkaline phosphatase activity in cow’s milk cheese: Interlaboratory collaborative study
This study, designed according to ISO 5725 parts 1 and 2, the protocol for interlaboratory method validation, involved a total of 17 laboratories and 8 cheese samples with ALP activities in the range of <10 mU/g to approximately 4500 mU/g. Relative Standard Deviations for repeatability and reproducibility varied by 3–6% and 8–13%, respectively. The outcome […]
ISO 19344 | IDF 232: 2015 – Milk, milk products – Starter cultures, probiotics and fermented products – Quantification of lactic acid bacteria by flow cytometry
This International Standard specifies a standardized method for the quantification of active and/or total lactic acid bacteria and probiotic strains in starter cultures used in dairy products by means of flow cytometry. The method is also applicable to probiotics used in dairy products and to fermented milk products such as yogurts containing primarily lactic acid […]
ISO 20649 | IDF 235: 2015 – Infant formula and adult nutritionals – Determination of chromium, selenium and molybdenum – Inductively coupled plasma mass spectrometry (ICP-MS)
This International Standard specifies a method for the quantitative determination of chromium, selenium and molybdenum in infant formula and adult nutritional formula. The method has been validated in an interlaboratory study on seven different matrices.
ISO 20647 | IDF 234: 2015 – Infant formula and adult nutritionals – Determination of total iodine – Inductively coupled plasma mass spectrometry (ICP-MS)
This International Standard specifies a method for the quantitative determination of total iodine in infant formula and adult nutritional formula.[1] The method is applicable to the measurement of total iodine in infant formula and adult nutritional formula from 0,5 μg/100g to 1 500 μg/100g reconstituted final product and for ready-to-feed products from 2,5 μg/100 g […]
ISO 16958 | IDF 231: 2015 – Milk, milk products, infant formula and adult nutritionals – Determination of fatty acids composition – Capillary gas chromatographic method
This standard has been withdrawn and replace by the joint standard ISO 16958 | IDF 231: 2026
Bulletin of the IDF N° 474/ 2014: Detecting antibiotic residues in milk – Guidance on the application of screening and confirmatory methods in integrated dairy chain management
Checking compliance with regulations is the main reason for testing. Examples of different regulations in terms of residue limits are included. All the actors of the dairy chain are responsible for ensuring safe milk delivery. The document provides tools that can be implemented at any level of the dairy chain and can help in choosing […]
Bulletin of the IDF N° 471/2014: Detection of inhibitors and antimicrobial residues in milk and dairy products by screening methods – Guidance on preparation of the test portion
This article presents ways of preparing various dairy products to obtain appropriate test samples. Detailed procedures are given for the reconstitution of dried samples such as milk powder and for the preparation of samples of cream, butter, yoghurt and cheese. Particular attention is paid to the dilution necessary for test samples of various types. Keywords: […]
ISO/TS 18083 | IDF/RM 51: 2013 – Processed cheese products – Calculation of content of added phosphate expressed as phosphorus
The method in this Technical Specificiation specifies the calculation of the approximate content of phosphorus from added phosphate salts and phosphorus containing pH-regulating agents in processed cheese products. The method is applicable to processed cheese products derived mainly from cheese varieties with a P:N ratio of 0,12 ± 0,02 and containing no ingredients in quantities […]
ISO 16297 | IDF 161: 2013 – Milk – Bacterial count – Protocol for the evaluation of alternative methods
This International Standard gives guidelines for the evaluation of instrumental alternative methods for total bacterial count in raw milk from animals of different species. NOTE: The document is considered complementary to ISO 16140 and ISO 8196 | IDF 128 Cancelled and replaced by the updated version from 2020, the joint Standard ISO 16297 I IDF […]
ISO 9233-2 | IDF 140-2: 2007 / AMD1: 2012 – Cheese, cheese rind and processed cheese – Determination of natamycin content – Part 2: High-performance liquid chromatographic method for cheese, cheese rind and processed cheese – Amendment 1
This standard has been withdrawn and replaced by the joint standard ISO 9233-2 I IDF 140-2: 2018
