BS ISO 22753:2021

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Molecular biomarker analysis. Method for the statistical evaluation of analytical results obtained in testing sub-sampled groups of genetically modified seeds and grains. General requirements

Published By	Publication Date	Number of Pages
BSI	2021	34

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Description

This document describes general requirements, procedures and performance criteria for evaluating the content of genetically modified (GM) seeds/grains in a lot by a group testing strategy that includes qualitative analysis of sub-sampled groups followed by statistical evaluation of the results.

This document is applicable to group testing strategy estimating the GM content on a percentage seed/grain basis for purity estimation, testing towards a given reject/accept criterion and for cases where seed/grain lots are carrying stacked events.

This document is not applicable to processed products.

NOTE

Description of the use of group testing strategy are available in References [ 1], [ 7], [ 8], [ 18], [ 19] and [ 20].

PDF Catalog

PDF Pages	PDF Title
2	National foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
12	4 Principle 4.1 General 4.2 Preparation of seed/grain groups
13	4.3 Detection methods for the qualitative analysis of GM seed/grain in seed/grain groups 4.4 Statistical evaluation 5 Reagents
14	6 Apparatus and equipment 7 Design of testing plan 7.1 General 7.2 Single-stage testing plan
15	7.3 Double-stage testing plan
16	8 Selection of qualitative methods 8.1 General 8.2 Performance criteria 9 Interpretation
18	10 Expression of results 10.1 Classification of a seed/grain lot into “accept” or “reject” category 10.2 Estimation of the level of molecular biomarker in the seed/grain lot 11 Test report
19	Annex A (informative) Terms and definitions comparison table
21	Annex B (informative) Implementation of the method to evaluate GMO content in seeds/grains example
28	Annex C (informative) Estimation of the limit of detection for a testing plan to detect GM seeds/grains in seed lots
31	Annex D (informative) Experimental determination of maximum group size
32	Bibliography

Additional information

Status	Withdrawn
Pages	34
Publication Date	2021-09-07
Withdrawn Date	2022-12-14
ISBN	978 0 580 51036 6
Standard Number	BS ISO 22753:2021
Title	Molecular biomarker analysis. Method for the statistical evaluation of analytical results obtained in testing sub-sampled groups of genetically modified seeds and grains. General requirements
Identical National Standard Of	ISO 22753
Descriptors	Cattle, Food, Biological analysis and testing, Bovine animals, DNA
Publisher	BSI
Committee	AW/275
ICS Codes	67.050 - General methods of tests and analysis for food products

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BS ISO 22753:2021

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