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BS ISO 20128:2006

BS ISO 20128:2006

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Current

The latest, up-to-date edition.

Milk products. Enumeration of presumptive Lactobacillus acidophilus on a selective medium. Colony-count technique at 37°C

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-29-2007

Publisher

British Standards Institution

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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Hardcopy - English
PDF - English
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