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EVS-EN ISO 21528-2:2017

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)

General information

Valid from 17.07.2017
Base Documents
ISO 21528-2:2017; EN ISO 21528-2:2017
Directives or regulations
None

Standard history

Status
Date
Type
Name
17.07.2017
Main
05.12.2011
Main
This document 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.

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