CEN/TC 463 - Microbiology of the food chain
Standardization of horizontal methods in the field of microbiological analysis of the food chain from primary production stage to food and animal feed, including the environment of food production and handling.
Microbiology of the food chain
Standardization of horizontal methods in the field of microbiological analysis of the food chain from primary production stage to food and animal feed, including the environment of food production and handling.
General Information
- Amendment33 pagesEnglish language
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This document specifies the general principle and the technical protocol for the validation of alternative confirmation methods for microbiology in the food chain. This document compares the result of the alternative confirmation method against the confirmation procedure of a reference method or, if needed, a reference confirmation method (e.g. whole genome sequencing).
This document is applicable to the validation of alternative confirmation methods used for the analysis (detection or quantifi...view more
- Standard35 pagesEnglish language
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This document specifies requirements and gives guidance for the estimation and expression of measurement uncertainty (MU) associated with quantitative results in microbiology of the food chain.
It is applicable to the quantitative analysis of:
— products intended for human consumption or the feeding of animals;
— environmental samples in the area of food production and food handling;
— samples at the stage of primary production.
The quantitative analysis is typically carried out by enumerat...view more
- Standard47 pagesEnglish language
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This document specifies a method for detection of hepatitis A virus (HAV) and norovirus genogroups I (GI) and II (GII), from test samples of foodstuffs [(soft fruit, leaf, stem and bulb vegetables, bottled water, bivalve molluscan shellfish (BMS)] or surfaces using real-time RT-PCR.
This method is not validated for detection of the target viruses in other foodstuffs (including multi-component foodstuffs), or any other matrices, nor for the detection of other viruses in foodstuffs, surfaces or o...view more
- Standard49 pagesEnglish language
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This document specifies protocols for conducting microbiological challenge tests for growth studies on vegetative and spore-forming bacteria in raw materials and intermediate or end products.
The use of this document can be extended to yeasts that do not form mycelium.
- Standard37 pagesEnglish language
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This document specifies requirements and gives guidelines for the organization of proficiency testing (PT) schemes for microbiological examinations of
a) foods and beverages,
b) feeding animals,
c) environmental samples from food and feed production and handling, and
d) primary production stages.
This document is also applicable to the microbiological examination of water where water is either used in food production or is regarded as a food in national legislation.
This document relates t...view more
- Standard42 pagesEnglish language
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- Amendment11 pagesEnglish language
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This document specifies horizontal methods for sampling techniques using contact plates, stick swabs, sponges and cloths on surfaces in the food chain environment in order to detect and enumerate culturable microorganisms such as pathogenic or non-pathogenic bacteria or yeasts and moulds.
NOTE The term "environment" means any item in contact with the food product or likely to represent a contamination or recontamination source; for example, material, premises or operators.
This document does n...view more
- Standard19 pagesEnglish language
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- Amendment13 pagesEnglish language
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ISO 21872-1:2017 specifies a horizontal method for the detection of enteropathogenic Vibrio spp., which causes human illness in or via the intestinal tract. The species detectable by the methods specified include Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus.
ISO 21872-1:2017 is applicable to the following:
- products intended for human consumption and the feeding of animals;
- environmental samples in the area of food production and food handling.
- Standard42 pagesEnglish language
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ISO 21528-1:2017 specifies a method, with enrichment, for the detection of Enterobacteriaceae. It is applicable to
- products intended for human consumption and the feeding of animals, and
- environmental samples in the area of primary production, food production and food handling.
This method is applicable
- when the microorganisms sought are expected to need resuscitation by enrichment, and
- when the number sought is expected to be below 100 per millilitre or per gram of test sample.
A ...view more
- Standard25 pagesEnglish language
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ISO 19343:2017 specifies a high performance liquid chromatography (HPLC) method to analyse histamine in fish and fishery products (fish sauces, fish maturated by enzyme in brine, etc.) intended for human consumption.
- Standard22 pagesEnglish language
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ISO 10272-2:2017 specifies a horizontal method for the enumeration of Campylobacter spp. It is applicable to
- products intended for human consumption,
- products intended for animal feeding,
- environmental samples in the area of food and feed production, handling, and
- samples from the primary production stage such as animal faeces, dust, and swabs.
- Standard27 pagesEnglish language
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ISO 21528-2:2017 specifies a method for the enumeration of Enterobacteriaceae. It is applicable to
- products intended for human consumption and the feeding of animals, and
- environmental samples in the area of primary production, food production and food handling.
This technique is intended to be used when the number of colonies sought is expected to be more than 100 per millilitre or per gram of the test sample.
The most probable number (MPN) technique, as included in ISO 21528‑1, is gene...view more
- Standard23 pagesEnglish language
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ISO 10272-1:2017 specifies a horizontal method for the detection by enrichment or direct plating of Campylobacter spp. It is applicable to
- products intended for human consumption,
- products intended for animal feeding,
- environmental samples in the area of food and feed production, handling, and
- samples from the primary production stage such as animal faeces, dust, and swabs.
- Standard33 pagesEnglish language
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ISO 19020:2017 specifies a screening method for the detection of staphylococcal enterotoxins SEA, SEB, SECs, SED and SEE in foodstuffs. It consists of two main steps: a) extraction followed by a concentration based on dialysis principle; and b) an immunoenzymatic detection using commercially available detection kits.
ISO 19020:2017 is applicable to the screening of staphylococcal enterotoxins SEA to SEE in products intended for human consumption.
Other staphylococcal enterotoxins such as types...view more
- Standard30 pagesEnglish language
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ISO 11290-2:2017 specifies a horizontal method for
- the enumeration of L. monocytogenes, and
- the enumeration of Listeria spp. (including L. monocytogenes).
ISO 11290-2:2017 is applicable to
- products intended for human consumption and for the feeding of animals, and
- environmental samples in the area of food production and food handling.
- Standard37 pagesEnglish language
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ISO 11290-1:2017 specifies a horizontal method for
- the detection of L. monocytogenes, and
- the detection of Listeria spp. (including L. monocytogenes).
ISO 11290-1:2017 is applicable to
- products intended for human consumption and for the feeding of animals, and
- environmental samples in the area of food production and food handling.
- Standard45 pagesEnglish language
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ISO 22964:2017 specifies a horizontal method for the detection of Cronobacter spp.
Subject to the limitations discussed in the introduction, this document is applicable to
- food products and ingredients intended for human consumption and the feeding of animals, and
- environmental samples in the area of food production and food handling.
- Standard31 pagesEnglish language
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ISO 10273:2017 specifies a horizontal method for the detection of Y. enterocolitica associated with human disease. It is applicable to
- products intended for human consumption and the feeding of animals, and
- environmental samples in the area of food production and food handling.
- Standard50 pagesEnglish language
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This standard describes the detection of E.coli O157 (Reference document EN ISO 16654)
- Amendment10 pagesEnglish language
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ISO 6887-2:2017 specifies rules for the preparation of meat and meat product samples and their suspension for microbiological examination when the samples require different preparation from the methods described in ISO 6887‑1. ISO 6887‑1 defines the general rules for the preparation of the initial suspension and dilutions for microbiological examination.
ISO 6887-2:2017 excludes preparation of samples for both enumeration and detection test methods where preparation details are specified in the...view more
- Standard16 pagesEnglish language
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ISO 6887-1:2017 defines general rules for the aerobic preparation of the initial suspension and of dilutions for microbiological examinations of products intended for human or animal consumption.
ISO 6887-1:2017 is applicable to the general case and other parts apply to specific groups of products as mentioned in the foreword. Some aspects might also be applicable to molecular methods where matrices can be associated with inhibition of the PCR steps and consequently affect the test result.
ISO...view more
- Standard34 pagesEnglish language
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ISO 6887-3:2017 specifies rules for the preparation of fish and fishery product samples and their suspension for microbiological examination when the samples require a different preparation from the methods described in ISO 6887‑1. ISO 6887‑1 defines the general rules for the preparation of the initial suspension and dilutions for microbiological examination.
ISO 6887-3:2017 includes special procedures for sampling raw molluscs, tunicates and echinoderms from primary production areas.
NOTE 1 S...view more
- Standard24 pagesEnglish language
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ISO 6887-4:2017 specifies rules for the preparation of samples and dilutions for the microbiological examination of specific food products not covered in other parts of ISO 6887, which deal with more general categories. This document covers a wide range of miscellaneous products, but does not include new products brought on to the market after publication.
ISO 6887‑1 defines the general rules for the preparation of the initial suspension and dilutions for microbiological examination.
ISO 6887-...view more
- Standard24 pagesEnglish language
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ISO 15216-1:2017 specifies a method for the quantification of levels of HAV and norovirus genogroup I (GI) and II (GII) RNA, from test samples of foodstuffs (soft fruit, leaf, stem and bulb vegetables, bottled water, BMS) or food surfaces. Following liberation of viruses from the test sample, viral RNA is then extracted by lysis with guanidine thiocyanate and adsorption on silica. Target sequences within the viral RNA are amplified and detected by real-time RT-PCR.
This method is not validated ...view more
- Standard57 pagesEnglish language
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ISO 6579-1:2017 specifies a horizontal method for the detection of Salmonella. It is applicable to the following:
- products intended for human consumption and the feeding of animals;
- environmental samples in the area of food production and food handling;
- samples from the primary production stage such as animal faeces, dust, and swabs.
With this horizontal method, most of the Salmonella serovars are intended to be detected. For the detection of some specific serovars, additional culture ...view more
- Standard60 pagesEnglish language
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ISO 18465:2017 describes the quantitative analysis of the emetic toxin cereulide using high performance liquid chromatography (HPLC) or ultra performance liquid chromatography (UHPLC) connected to a tandem mass spectrometer (LC-MS/MS).
ISO 18465:2017 is applicable to the analysis of the toxin in products intended for human consumption.
- Standard22 pagesEnglish language
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ISO 17468:2016 gives technical requirements and guidance on the establishment or revision of standardized reference methods for the analysis (detection or quantification) of microorganisms in
- products intended for human consumption and for the feeding of animals,
- environmental samples in the area of food/feed production and food/feed handling, and
- samples from the primary production stage.
It defines the technical stage (or early stage) of the establishment of a new standardized refere...view more
- Standard13 pagesEnglish language
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ISO 16140-1:2016 defines general terms and definitions relating to method validation of microbiology in the food chain.
It is applicable to the validation of methods for the analysis (detection or quantification) of microorganisms in
- products intended for human consumption,
- products intended for animal feeding,
- environmental samples in the area of food and feed production, handling, and
- samples from the primary production stage.
- Standard20 pagesEnglish language
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ISO 16140-2:2016 specifies the general principle and the technical protocol for the validation of alternative, mostly proprietary, methods for microbiology in the food chain. Validation studies according to ISO 16140-2:2016 are intended to be performed by organizations involved in method validation.
It is applicable to the validation of methods for the analysis (detection or quantification) of microorganisms in
- products intended for human consumption,
- products intended for animal feeding,...view more
- Standard74 pagesEnglish language
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ISO 18744:2016 specifies a method that is applicable for the detection and enumeration of Cryptosporidium oocysts and Giardia cysts on or in food products that are described herein as fresh leafy green vegetables and berry fruits. With suitable controls, it may also be applicable for the examination of other fresh produce.
The microscopy descriptions are for Cryptosporidium spp. oocysts and Giardia duodenalis cysts of size ranges which include those species (Cryptosporidium) or assemblages (Gia...view more
- Standard29 pagesEnglish language
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ISO/TS 18867:2015 specifies two horizontal methods for detection of the pathogenic bioserotypes of Y. enterocolitica and one for detection of Y. pseudotuberculosis by using real-time PCR-based methods. The described methods allow for the detection of the two pathogens in enrichments and allow the isolation of colonies. Y. pestis, the causative agent of bubonic and pneumonic plague harbours a variant of the ail gene as well and will be detected by the same primer/probe set as Y. pseudotuberculosi...view more
- Technical specification39 pagesEnglish language
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ISO 18743:2015 specifies a method of detection of Trichinella spp. muscle stage larvae in meat of individual animal carcasses intended for human consumption. It is applicable to the examination of meat from domestic and sylvatic animal species, which can be infected by nematodes of the genus Trichinella.
This method does not allow the identification of the species or genotype of detected parasites; species or genotype identification can be carried out by molecular methods.
The method described...view more
- Standard23 pagesEnglish language
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- Standard21 pagesGerman language
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ISO 17604:2015 specifies sampling methods for the detection and enumeration of microorganisms on the surface of carcasses or parts of carcasses of slaughtered meat animals. The microbiological sampling can be carried out as part of
- process hygiene control (to validate and or verify process control, e.g. total counts and Enterobacteriaceae) in slaughter establishments for large mammals, poultry, and game,
- risk-based assurance systems for product safety, and
- monitoring or surveillance pro...view more
- Standard21 pagesEnglish language
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ISO/TS 17728:2015 applies to the collection of samples before submission to the laboratory for microbiological examination. It provides general instructions and specific requirements for obtaining samples and for transport to the laboratory.
Sampling plans are not included in the scope of this Technical Specification.
- Technical specification25 pagesEnglish language
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ISO 16649-3:2015 specifies a horizontal method for the detection and enumeration of β-glucuronidase positive Escherichia coli, by means of the liquid-medium culture technique and calculation of the most probable number (MPN) after incubation at (37 ± 1) °C, then at (44 ± 1) °C. This part of ISO 16649 is applicable to the following:
- products intended for human consumption and the feeding of animals;
- environmental samples in the area of food production and food handling.
The method is suita...view more
- Standard18 pagesEnglish language
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ISO/TR 6579-3:2014 gives guidance on the procedure for serotyping Salmonella serovars and is applicable to the serotyping of pure cultures of Salmonella spp., independent of the source from which they are isolated.
- Technical report41 pagesEnglish language
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ISO 11133:2014 defines terms related to quality assurance of culture media and specifies the requirements for the preparation of culture media intended for the microbiological analysis of food, animal feed, and samples from the food or feed production environment as well as all kinds of water intended for consumption or used in food production. These requirements are applicable to all categories of culture media prepared for use in laboratories performing microbiological analyses.
ISO 11133:201...view more
- Standard103 pagesEnglish language
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- Standard103 pagesEnglish language
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ISO corrigendum
- Corrigendum4 pagesEnglish language
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ISO/TS 17919:2013 specifies a horizontal method for the molecular detection of clostridia carrying botulinum neurotoxin A, B, E, and F genes by a PCR method. This method detects the genes and not the toxins, therefore a positive result does not necessarily mean the presence of these toxins in the sample investigated. ISO/TS 17919:2013 is applicable to products for human consumption, animal feed, and environmental samples.
The PCR assays for detection of genetic sequences encoding specific toxin...view more
- Technical specification55 pagesEnglish language
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ISO 4833-1:2013 specifies a horizontal method for enumeration of microorganisms that are able to grow and form colonies in a solid medium after aerobic incubation at 30 °C. The method is applicable to: a) products intended for human consumption and for animal feed; b) environmental samples in the area of food and feed production and handling.
ISO 4833-1:2013 is applicable to: 1) products that require a reliable count when a low limit of detection is specified (below 102/g or 102/ml for liquid s...view more
- Standard16 pagesEnglish language
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ISO 4833-2:2013 specifies a horizontal method for enumeration of microorganisms that are able to grow and form colonies on the surface of a solid medium after aerobic incubation at 30 °C. The method is applicable to:
a) products intended for human consumption or for animal feed;
b) environmental samples in the area of food and feed production and food handling.
ISO 4833-2:2013 is applicable to:
1) products containing heat-sensitive organisms that are likely to form a significant proportion o...view more
- Standard19 pagesEnglish language
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2012-12-04 GVN: Draft for // vote received at ISO/CS (see notification in dataservice on 2012-12-01)
- Amendment72 pagesEnglish language
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ISO 13307:2013 specifies sampling techniques within the primary food-animal production stage, for detection or enumeration of viable microorganisms with particular reference to food-borne pathogens.
ISO 13307:2013 is not intended for use in diagnosis of animal disease.
- Standard23 pagesEnglish language
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ISO 6887-6:2013 specifies rules for the preparation of samples taken at all stages from the farm to the slaughterhouse and their suspension for microbiological examination when the samples require different preparation from the methods described in ISO 6887-1.
ISO 6887-6:2013 excludes the preparation of samples for both enumeration and detection test methods where preparation details are specified in the relevant International Standards.
ISO 6887-6:2013 is applicable to various samples taken f...view more
- Standard16 pagesEnglish language
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ISO/TR 13136:2012 describes the identification of Shiga toxin-producing Escherichia coli (STEC) by means of the detection of the following genes: a) the major virulence genes of STEC, stx and eae; b) the genes associated with the serogroups O157, O111, O26, O103, and O145.
In any case, when one or both of the stx genes is/are detected, the isolation of the strain is attempted.
The isolation of STEC from samples positive for the presence of the genes specifying the serogroups in the scope of th...view more
- Technical specification32 pagesEnglish language
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ISO/TS 6579-2 gives a method for the enumeration of Salmonella spp. present in: products intended for human consumption and for the feeding of animals; environmental samples in the area of food production and food handling; animal faeces; and environmental samples from the primary production stage by calculation of the most probable number (MPN).
The method is based on miniaturization of the dilution, pre-enrichment and selective enrichment steps. The selective enrichment medium, modified semi-...view more
- Technical specification26 pagesEnglish language
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ISO 22118:2010 specifies minimum requirements of performance characteristics for the detection of nucleic acid sequences (DNA or RNA) by molecular methods. ISO 22118:2010 applies to the detection of food-borne pathogens in foodstuffs and isolates obtained from them using molecular detection methods based on the polymerase chain reaction (PCR).
ISO 22118:2010 is also applicable, for example, to the detection of food-borne pathogens in environmental samples and in animal feeding stuffs.
- Standard17 pagesEnglish language
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