BS ISO 20128:2006
Current
The latest, up-to-date edition.
Milk products. Enumeration of presumptive Lactobacillus acidophilus on a selective medium. Colony-count technique at 37°C
Hardcopy , PDF
English
29-06-2007
Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Diluents, culture media and reagents
5.1 Basic materials
5.2 Diluent
5.3 Culture media
6 Apparatus and glassware
7 Sampling
8 Procedure
8.1 Sample preparation and decimal dilutions
8.2 Inoculation and incubation
8.3 Enumeration of colonies
9 Calculation and expression of results
9.1 Calculation
9.2 Expression of results
9.3 Example
10 Precision
10.1 Interlaboratory test
10.2 Repeatability
10.3 Reproducibility
11 Test report
Annex A (informative) Interlaboratory test
Bibliography
Describes a method for the enumeration of presumptive Lactobacillus acidophilus in milk products on a selective medium by using a colony-count technique at 37 degrees C.
| Committee |
AW/5
|
| DevelopmentNote |
Supersedes 05/30134611 DC. (06/2007)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 20128:2006 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| 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 7218:2007 | Microbiology of food and animal feeding stuffs — General requirements and guidance for microbiological examinations |
| ISO 707:2008 | Milk and milk products — Guidance on sampling |
| 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 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
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