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BS ISO 29981:2010

Current
Current

The latest, up-to-date edition.

Milk products. Enumeration of presumptive bifidobacteria. Colony count technique at 37 °C
Published date

02-28-2010

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Culture media, diluents and reagents
6 Apparatus
7 Sampling
8 Procedure
9 Calculation and expression of results
10 Precision
11 Knowledge of use of the method
12 Test report
Annex A (informative) - Interlaboratory trial - A
        'bifido' ring trial
Bibliography

Describes a method for the selective enumeration of presumptive bifidobacteria in milk products by using a colony count technique at 37 degrees C under anaerobic conditions.

Committee
AW/5
DevelopmentNote
Supersedes 08/30177160 DC. (02/2010)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 29981:2010 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 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 707:2008 Milk and milk products — Guidance on sampling
ISO 7889:2003 Yogurt Enumeration of characteristic microorganisms Colony-count technique at 37 degrees C
ISO 835:2007 Laboratory glassware — Graduated pipettes
ISO 14461-1:2005 Milk and milk products Quality control in microbiological laboratories Part 1: Analyst performance assessment for colony counts
ISO 14461-2:2005 Milk and milk products Quality control in microbiological laboratories Part 2: Determination of the reliability of colony counts of parallel plates and subsequent dilution steps
ISO 16140:2003 Microbiology of food and animal feeding stuffs Protocol for the validation of alternative methods
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
ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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