I.S. EN ISO 21871:2006
Current
The latest, up-to-date edition.
MICROBIOLOGY OF FOOD AND ANIMAL FEEDING STUFFS - HORIZONTAL METHOD FOR THE DETERMINATION OF LOW NUMBERS OF PRESUMPTIVE BACILLUS CEREUS - MOST PROBABLE NUMBER TECHNIQUE AND DETECTION METHOD
Hardcopy , PDF
English
01-01-2006
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 Enumeration method
4.2 Detection method
5 Diluent, culture media and reagents
5.1 General
5.2 Diluent
5.3 Liquid selective enrichment medium: Tryptone soya
polymyxin broth (TSPB)
5.4 Solid selective medium: Polymyxin pyruvate egg
yolk mannitol bromothymol blue agar (PEMBA)
5.5 Solid selective medium: Mannitol egg yolk polymyxin
agar (MYP)
5.6 Staining solutions for microscopic identification
5.7 Sheep blood agar
6 Apparatus and glassware
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 Enumeration method
9.2 Detection method
10 Calculation and expression of results
10.1 Enumeration method for the determination of the
most probable number (MPN)
10.2 Detection method
11 Test report
Annex A (normative) Diagram of enumeration procedure
Bibliography
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