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ISO 21187:2021PublishedMilk — Quantitative determination of microbiological quality — Guidance for establishing and verifying a conversion relationship between results of an alternative method and anchor method resultsISO 21527-1:2008PublishedMicrobiology of food and animal feeding stuffs — Horizontal method for the enumeration of yeasts and moulds — Part 1: Colony count technique in products with water activity greater than 0,95ISO 21527-2:2008PublishedMicrobiology of food and animal feeding stuffs — Horizontal method for the enumeration of yeasts and moulds — Part 2: Colony count technique in products with water activity less than or equal to 0,95ISO 21528-1:2017PublishedMicrobiology of the food chain — Horizontal method for the detection and enumeration of Enterobacteriaceae — Part 1: Detection of EnterobacteriaceaeISO 21528-2:2017PublishedMicrobiology of the food chain — Horizontal method for the detection and enumeration of Enterobacteriaceae — Part 2: Colony-count techniqueISO 21567:2004PublishedMicrobiology of food and animal feeding stuffs — Horizontal method for the detection of Shigella spp.ISO 21871:2006PublishedMicrobiology of food and animal feeding stuffs — Horizontal method for the determination of low numbers of presumptive Bacillus cereus — Most probable number technique and detection methodISO/TS 21872-2:2020PublishedMicrobiology of the food chain — Horizontal method for the determination of Vibrio spp. — Part 2: Enumeration of total and potentially enteropathogenic Vibrio parahaemolyticus in seafood using nucleic acid hybridizationISO 21872-1:2017PublishedMicrobiology of the food chain — Horizontal method for the determination of Vibrio spp. — Part 1: Detection of potentially enteropathogenic Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificusISO 22117:2019PublishedMicrobiology of the food chain — Specific requirements and guidance for proficiency testing by interlaboratory comparisonISO 22118:2011PublishedMicrobiology of food and animal feeding stuffs — Polymerase chain reaction (PCR) for the detection and quantification of food-borne pathogens — Performance characteristicsISO 22174:2024PublishedMicrobiology of the food chain — Polymerase chain reaction (PCR) for the detection and quantification of microorganisms — General requirements and definitionsISO 22964:2017PublishedMicrobiology of the food chain — Horizontal method for the detection of Cronobacter spp.ISO 23036-1:2021PublishedMicrobiology of the food chain — Methods for the detection of Anisakidae L3 larvae in fish and fishery products — Part 1: UV-press methodISO 23036-2:2021PublishedMicrobiology of the food chain — Methods for the detection of Anisakidae L3 larvae in fish and fishery products — Part 2: Artificial digestion methodISO 23418:2022PublishedMicrobiology of the food chain — Whole genome sequencing for typing and genomic characterization of bacteria — General requirements and guidanceISO 23691:2026PublishedMicrobiology of the food chain — Determination and use of cardinal valuesISO 24914:2026PublishedMicrobiology of the food chain — Loop-mediated isothermal amplification (LAMP) for the detection of microorganisms and associated genetic markers — General requirements and definitionsISO 8553Under developmentMilk — Enumeration of microorganisms — Plate-loop technique at 30 °CISO 11133Under developmentMicrobiology of the food chain, animal feed and water — Preparation, production, storage and performance testing of culture media and reagentsISO/DIS 13136-1Under developmentMicrobiology of the food chain — Detection, isolation and characterization of Shiga toxin-producing Escherichia coli (STEC) — Part 1: Horizontal method for the detection and isolation of Shiga toxin-producing Escherichia coli (STEC)ISO/DIS 13136-2Under developmentMicrobiology of the food chain — Detection, isolation and characterization of Shiga toxin-producing Escherichia coli (STEC) — Part 2: Horizontal method for the characterization of Shiga toxin-producing Escherichia coli (STEC) isolatesISO/DIS 17644Under developmentBivalve molluscs — Determination of paralytic shellfish toxins — High performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) methodISO/CD 21527Under developmentMicrobiology of the food chain — Horizontal method for the enumeration of yeasts and mouldsISO/CD 21722Under developmentMicrobiology of the food chain — Horizontal method for enumeration of enterococci