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ISO 7251:2005

Microbiology of food and animal feeding stuffs -- Horizontal method for the detection and enumeration of presumptive Escherichia coli -- Most probable number technique

General information

Valid from 09.02.2005
ICS Groups
07.100.30 Food microbiology
Directives or regulations
None

Standard history

Status
Date
Type
Name
12.10.2023
Amendment
ISO 7251:2005/Amd 1:2023
09.02.2005
Main
ISO 7251:2005
Main
ISO 3811:1979
Main
ISO 11866-1:1997
Main
ISO 7251:1993
ISO 7251:2005 gives general guidelines for the detection and enumeration of presumptive Escherichia coli by means of the liquid-medium culture technique and calculation of the most probable number (MPN) after incubation at 37 °C, then at 44 °C. This International Standard 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.

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Paper
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Standard monitoring
English (PDF 174 KB)

Related products

Amendment

ISO 7251:2005/Amd 1:2023

Microbiology of food and animal feeding stuffs — Horizontal method for the detection and enumeration of presumptive Escherichia coli — Most probable number technique — Amendment 1: Inclusion of performance testing of culture media and reagents
Newest version Valid from 12.10.2023
Main

EVS-EN ISO 18593:2018

Microbiology of the food chain - Horizontal methods for surface sampling (ISO 18593:2018)
Newest version Valid from 04.09.2018
Main

EVS-EN ISO 11133:2014

Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media (ISO 11133:2014)
Valid from 01.07.2014
Main

EVS-EN ISO 4833-1:2013

Microbiology of the food chain - Horizontal method for the enumeration of microorganisms - Part 1: Colony count at 30 °C by the pour plate technique (ISO 4833-1:2013)
Valid from 09.12.2013

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English