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BS ISO 21528-1:2004

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Microbiology of food and animal feeding stuffs. Horizontal methods for the detection and enumeration of Enterobacteriaceae Detection and enumeration by MPN technique with pre-enrichment

Available format(s)

Hardcopy , PDF

Superseded date

31-08-2017

Superseded by

BS EN ISO 21528-1:2017

Language(s)

English

Published date

08-09-2004

£142.00
Excluding VAT

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
   4.1 Detection of Enterobacteriaceae (see Annex A)
   4.2 Enumeration by the MPN technique (see Annex B)
5 Diluent, culture media and reagent
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
   9.1 General
   9.2 Detection method
   9.3 Enumeration method (MPN method)
   9.4 Isolation and selection for confirmation
   9.5 Subculturing selected colonies
   9.6 Biochemical confirmation tests
10 Expression of results
   10.1 Confirmed positive tubes
   10.2 Detection method
   10.3 Enumeration method: Calculation of the most
        probable number (MPN)
11 Precision
12 Test report
Annex A (normative) Diagram of procedure of the detection method
Annex B (normative) Diagram of procedure for MPN technique

Specifies a method, with pre-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 food production and food handling.

Committee
AW/9
DevelopmentNote
Together with BS ISO 21528-2 it supersedes BS 5763-10(1993). Supersedes BS 5763-15(1991) and 02/710046 DC. (09/2004)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 21528-1:2017 Identical
ISO 21528-1:2004 Identical

ISO/TS 11133-1:2009 Microbiology of food and animal feeding stuffs Guidelines on preparation and production of culture media Part 1: General guidelines on quality assurance for the preparation of culture media in the laboratory
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
ISO/TS 11133-2:2003 Microbiology of food and animal feeding stuffs Guidelines on preparation and production of culture media Part 2: Practical guidelines on performance testing of culture media
ISO 8261:2001 Milk and milk products General guidance for the preparation of test samples, initial suspensions and decimal dilutions for microbiological examination
ISO 6887-4:2017 Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for microbiological examination — Part 4: Specific rules for the preparation of miscellaneous products
ISO 6887-3:2017 Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for microbiological examination — Part 3: Specific rules for the preparation of fish and fishery products
ISO 6887-2:2017 Microbiology of the food chain — Preparation of test samples, initial suspension and decimal dilutions for microbiological examination — Part 2: Specific rules for the preparation of meat and meat products

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