Reference number
ISO 21528-1:2017
© ISO 2025
International Standard
ISO 21528-1:2017
Microbiology of the food chain — Horizontal method for the detection and enumeration of Enterobacteriaceae — Part 1: Detection of Enterobacteriaceae
Edition 2
2017-06
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Published (Edition 2, 2017)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 21528-1:2017

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Abstract

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 limitation on the applicability of ISO 21528-1:2017 is imposed by the susceptibility of the method to a large degree of variability (see Clause 11).

NOTE Enumeration can be carried out by calculation of the most probable number (MPN) after incubation in liquid medium. See Annex A.

General information

  • Status
     : Published
    Publication date
     : 2017-06
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 17
  • Technical Committee :
    ISO/TC 34/SC 9
    ICS :
    07.100.30 
  • RSS updates

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