Molecular biomarker analysis — Detection of animal-derived materials in foodstuffs and feedstuffs by real-time PCR — Part 5: Goat DNA detection method

This document specifies a real-time polymerase chain reaction (real-time PCR) method for the qualitative detection of goat-specific DNA derived from food and feed. It requires the extraction of an adequate amount of PCR amplifiable DNA from the relevant matrix and can be applied to the detection of goat material derived from goat (Capra hircus). The target sequence is a partial fragment of the goat chromosome 9 DNA sequence (i.e. GenBank accession number NC_030816.1)[1], which is present as a single copy per haploid genome. The provided PCR assay for this target has an absolute limit of detection of five copies per reaction, with ≥ 95 % replicability at this concentration (LOD95 %).

Analyse de biomarqueurs moléculaires — Détection de matériaux d'origine animale dans les denrées alimentaires et les aliments pour animaux par PCR en temps réel — Partie 5: Méthode de détection de l'ADN de chèvre

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Status
Published
Publication Date
30-Jul-2020
Current Stage
9060 - Close of review
Start Date
04-Mar-2027
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ISO/TS 20224-5:2020 - Molecular biomarker analysis -- Detection of animal-derived materials in foodstuffs and feedstuffs by real-time PCR
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TECHNICAL ISO/TS
SPECIFICATION 20224-5
First edition
2020-07
Molecular biomarker analysis —
Detection of animal-derived materials
in foodstuffs and feedstuffs by real-
time PCR —
Part 5:
Goat DNA detection method
Analyse de biomarqueurs moléculaires — Détection de matériaux
d'origine animale dans les denrées alimentaires et les aliments pour
animaux par PCR en temps réel —
Partie 5: Méthode de détection de l'ADN de chèvre
Reference number
ISO/TS 20224-5:2020(E)
©
ISO 2020

---------------------- Page: 1 ----------------------
ISO/TS 20224-5:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TS 20224-5:2020(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Scientific basis . 2
5 Reagents and materials . 2
5.1 General . 2
5.2 PCR reagents . 2
6 Apparatus . 3
7 Procedure. 3
7.1 Preparation of the test portion/sample . 3
7.2 Preparation of DNA extracts . 3
7.3 PCR setup . 3
7.3.1 Reaction mixes . 3
7.3.2 PCR controls . . 4
7.3.3 Real-time PCR thermocycler plate set-up . 4
7.4 Temperature-time programme .
...

TECHNICAL ISO/TS
SPECIFICATION 20224-5
First edition
Molecular biomarker analysis —
Detection of animal-derived materials
in foodstuffs and feedstuffs by real-
time PCR —
Part 5:
Goat DNA detection method
Analyse de biomarqueurs moléculaires — Détection de matériaux
d'origine animale dans les denrées alimentaires et les aliments pour
animaux par PCR en temps réel —
Partie 5: Méthode de détection de l'ADN de chèvre
PROOF/ÉPREUVE
Reference number
ISO/TS 20224-5:2020(E)
©
ISO 2020

---------------------- Page: 1 ----------------------
ISO/TS 20224-5:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii PROOF/ÉPREUVE © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/TS 20224-5:2020(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Scientific basis . 2
5 Reagents and materials . 2
5.1 General . 2
5.2 PCR reagents . 2
6 Apparatus . 3
7 Procedure. 3
7.1 Preparation of the test portion/sample . 3
7.2 Preparation of DNA extracts . 3
7.3 PCR setup . 3
7.3.1 Reaction mixes . 3
7.3.2 PCR controls . . 4
7.3.3 Real-time PCR thermocycler plate set-up . 4
7.4 Temperature-time programme .
...

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