UNI 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
06-04-2006
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
Describes a horizontal method for the detection or the enumeration of low numbers of viable presumptive Bacillus cereus by means of the most probable number technique.
| Committee |
CT 3
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| BS EN ISO 21871:2006 | Identical |
| I.S. EN ISO 21871:2006 | Identical |
| EN ISO 21871:2006 | Identical |
| ISO 21871:2006 | Identical |
| DIN EN ISO 21871:2006-04 | Identical |
| SN EN ISO 21871 : 2006 | Identical |
| NEN EN ISO 21871 : 2006 | Identical |
| NF EN ISO 21871 : 2006 | Identical |
| NBN EN ISO 21871 : 2006 | Identical |
| NS EN ISO 21871 : 1ED 2006 | Identical |
| UNE-EN ISO 21871:2007 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.