BS ISO 21528-2:2004
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Microbiology of food and animal feeding stuffs. Horizontal methods for the detection and enumeration of Enterobacteriaceae Colony-count method
Hardcopy , PDF
09-04-2017
English
09-23-2004
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 Preparation of initial suspension and decimal
dilutions
4.2 Isolation
4.3 Confirmation
4.4 Calculation
5 Diluent, culture media and reagent
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 General
9.2 Test portion, initial suspension and dilutions
9.3 Inoculation and incubation
9.4 Counting and selection of colonies for
confirmation
9.5 Subculturing selected colonies
9.6 Biochemical confirmation tests
10 Expression of results
11 Test report
Annex A (normative) Confidence limits for the estimation
of small numbers of colonies
Bibliography
Provides a method, without pre-enrichment, 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 food production and food handling.
| Committee |
AW/9
|
| DevelopmentNote |
Together with BS ISO 21528-1 it supersedes BS 5763-10(1993). Supersedes 02/710047 DC and BS 5763-15(1991). (10/2004)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 21528-2:2017 | Identical |
| ISO 21528-2:2004 | 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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