ISO INTERNATIONAL STANDARD 5496 Second edition 2006-08-15 Sensory analysis Methodology Initiation and training of assessors in the detection and recognition of odours Analyse sensorielle Methodologie Initiation et entrainement des sujets a la détection et a la reconnaissance des odeurs Reference number ISO 5496:2006(E) @ ISO 2006 yIHS under Not for Resale ISO 5496:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. @ISO2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2006 - All rights reserved ted without license from IHS Not for Resale ISO 5496:2006(E) Contents Page Foreword. iv Introduction 1 Scope 2 Normative references 3 4 Reagents and materials 5 General test conditions. 5.1 Test room... 5.2 General test rules.. 6 Methods. 6.1 Direct methods of smelling... 6.2 Retro-nasal methods of smelling ... 7 Answerform 8 Interpretation of results . 8.1 Initiation. 8.2 Training. 8.3 Selection... .8 Annex B (informative) Specimen answer form.. Annex C (informative) Retro-nasal method of assessing odours in gaseous phase by placing smelling strips into the buccal cavity.. ..15 Copyrght International Organizainfstandardizalonghtsreserved ili from IHS Not for Resal ISO 5496:2006(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 5496 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 12, Sensory analysis. This second edition cancels and replaces the first edition (IsO 5496:1992), which has been technically revised. @ ISO 2006 - All rights reserved onal Organization for Standardizatior ISO 5496:2006(E) Introduction Owingtothecomplexityofolfaction,assessorswhoaretomakeuppanelsneedtoundergoafamiliarization and training process before undertaking any sensory analysis concerning the detection of odours. This period of initiation, followed by training, is intended to teach assessors to evaluate and to id