EN ISO 14902:2001
Current
The latest, up-to-date edition.
Animal feeding stuffs - Determination of trypsin inhibitor activity of soya products (ISO 14902:2001)
15-10-2001
Foreword
1 Scope
2 Normative reference
3 Term and definition
4 Principle
5 Reagents and materials
6 Apparatus
7 Sampling
8 Preparation of test sample
9 Procedure
9.1 Number of determinations
9.2 Sample extraction
9.3 Dilution of sample extract
9.4 Measurement of trypsin activity of working
solution
9.5 Measurement of trypsin inhibitor activity
10 Calculation
10.1 Inhibition percentage of sample extract
solutions
10.2 Trypsin inhibitor activity
11 Precision
11.1 Interlaboratory tests
11.2 Repeatability
11.3 Reproducibility
12 Test report
Annex A (normative) Dilution scheme for sample
extract
Annex B (informative) Results of interlaboratory
test
Bibliography
This International Standard specifies a method for the determination of the trypsin inhibitor activity (TIA) of soyaproducts.This trypsin inhibitor activity is indicative of the degree of toasting of these products.The detection limit of the method is 0,5 mg/g.
| Committee |
CEN/TC 327
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| NS EN ISO 14902 : 1ED 2002 | Identical |
| ISO 14902:2001 | Identical |
| NF EN ISO 14902 : 2002 | Identical |
| BS EN ISO 14902:2001 | Identical |
| PN EN ISO 14902 : 2005 | Identical |
| NEN EN ISO 14902 : 2001 | Identical |
| NBN EN ISO 14902 : 2001 | Identical |
| UNI EN ISO 14902 : 2004 | Identical |
| SN EN ISO 14902 : 2001 | Identical |
| UNE-EN ISO 14902:2002 | Identical |
| I.S. EN ISO 14902:2002 | Identical |
| ÖNORM EN ISO 14902:2024 06 01 | Identical |
| DIN EN ISO 14902:2002-02 | Identical |
| ONORM EN ISO 14902 : 2002 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 6497:2002 | Animal feeding stuffs Sampling |
| 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 6498:2012 | Animal feeding stuffs — Guidelines for sample preparation |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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