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BS ISO 16649-2:2001

Current
Current

The latest, up-to-date edition.

Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli Colony-count technique at 44°C using 5-bromo-4-chloro-3-indolyl-β-D-glucuronide
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

23-10-2001

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluent and culture media
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
10 Expression of results
11 Test report
Bibliography

Describes a horizontal method for enumerating Beta- glucuronidase-positive Escherichia coli for products of human consumption or for feeding animals. Also uses a colony-count technique at 44 degree C on a solid medium containing a chromogenic ingredient for detection of enzyme Beta-glucuronidase.

This part of ISO16649 specifies a horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli in products intended for human consumption or for the feeding of animals. It uses a colony-count technique at 44°C on a solid medium containing a chromogenic ingredient for detection of the enzyme β-glucuronidase.

WARNING — Strains of Escherichia coli which do not grow at 44°C and, in particular, those that are β-glucuronidase negative, such as Escherichia coli O157, will not be detected.

Committee
AW/9
DevelopmentNote
Supersedes 99/703107 DC. (07/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 16649-2:2001 Identical

BS PAS 111(2012) : 2012 SPECIFICATION FOR THE REQUIREMENTS AND TEST METHODS FOR PROCESSING WASTE WOOD

ISO 6887-1:2017 Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for microbiological examination — Part 1: General rules for the preparation of the initial suspension and decimal dilutions
ISO 7218:2007 Microbiology of food and animal feeding stuffs General requirements and guidance for microbiological examinations

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