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CEN
EN ISO 21528-2:2017

EN ISO 21528-2:2017

Current

Current

The latest, up-to-date edition.

Microbiology of the food chain - Horizontal method for the detection and enumeration of Enterobacteriaceae - Part 2: Colony-count technique (ISO 21528-2:2017, Corrected version 2018-06-01)

Published date

07-05-2017

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluent, culture media and reagent
6 Equipment and consumables
7 Sampling
8 Preparation of test sample
9 Procedure
10 Expression of results
11 Performance characteristics of the method
12 Test report
13 Quality assurance
Annex A (normative) - Culture media and reagents
Annex B (informative) - Method validation studies and
        performance characteristics
Bibliography

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 generally used when the number sought is expected to be below 100 per millilitre or per gram of test sample.

Committee
CEN/TC 463
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

VDI 4066 Blatt 4:2016-04 Hygiene requirements for the production and filling of dairy products without recontamination

ISO 7218:2007 Microbiology of food and animal feeding stuffs General requirements and guidance for microbiological examinations
ISO 21528-1:2017 Microbiology of the food chain — Horizontal method for the detection and enumeration of Enterobacteriaceae — Part 1: Detection of Enterobacteriaceae
ISO 17604:2015 Microbiology of the food chain Carcass sampling for microbiological analysis
ISO 11133:2014 Microbiology of food, animal feed and water — Preparation, production, storage and performance testing of culture media
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 17468:2016 Microbiology of the food chain — Technical requirements and guidance on establishment or revision of a standardized reference method
ISO 13307:2013 Microbiology of food and animal feed — Primary production stage — Sampling techniques
ISO 18593:2004 Microbiology of food and animal feeding stuffs Horizontal methods for sampling techniques from surfaces using contact plates and swabs

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