ISO 21528-2:2017Published

Microbiology of the food chain — Horizontal method for the detection and enumeration of Enterobacteriaceae — Part 2: Colony-count technique

Microbiologie de la chaîne alimentaire — Méthode horizontale pour la recherche et le dénombrement des Enterobacteriaceae — Partie 2: Technique par comptage des colonies

A new edition is under development: ISO/CD 21528-2.

Abstract / scope

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.

Life cycle

Replaces

ISO 21528-2:2004WithdrawnMicrobiology of food and animal feeding stuffs — Horizontal methods for the detection and enumeration of Enterobacteriaceae — Part 2: Colony-count methodInternational Standard · Published 16 Aug 2004 · ISO/TC 34/SC 9

Replaced by

ISO/CD 21528-2Under developmentMicrobiology of the food chain — Horizontal method for the detection and enumeration of Enterobacteriaceae — Part 2: Enumeration by colony-count techniqueInternational Standard · ISO/TC 34/SC 9