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