ISO 9232:2003/Amd 1:2023

Yogurt — Identification of characteristic microorganisms (Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus) — Amendment 1: Inclusion of performance testing of culture media and reagents

Yaourt — Identification des micro-organismes caractéristiques (Lactobacillus delbrueckii subsp. bulgaricus et Streptococcus thermophilus) — Amendement 1: Inclusion des essais de performance des milieux de culture et des réactifs

General Information

• Status: Published
• Publication Date: 25-Jul-2023
• ICS: 07.100.30 - Food microbiology
• Technical Committee: ISO/TC 34/SC 5 - Milk and milk products
• Drafting Committee: ISO/TC 34/SC 5 - Milk and milk products
• Current Stage: 6060 - International Standard published
• Start Date: 26-Jul-2023
• Due Date: 12-Nov-2023
• Completion Date: 26-Jul-2023

Relations

• Amends: ISO 9232:2003 - Yogurt — Identification of characteristic microorganisms (Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus)
• Effective Date: 06-Jun-2022

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 9232
IDF
146
First edition
2003-02-01
AMENDMENT 1
2023-07
Yogurt — Identification of
characteristic microorganisms
(Lactobacillus delbrueckii subsp.
bulgaricus and Streptococcus
thermophilus)
AMENDMENT 1: Inclusion of
performance testing of culture media and
reagents
Yaourt — Identification des micro-organismes caractéristiques
(Lactobacillus delbrueckii subsp. bulgaricus et Streptococcus
thermophilus)
AMENDEMENT 1: Inclusion des essais de performance des milieux de
culture et des réactifs
Reference numbers
ISO 9232:2003/Amd.1:2023(E)
IDF 146:2003/Amd.1:2023(E)
© ISO and IDF 2023

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ISO 9232:2003/Amd.1:2023(E)
IDF 146:2003/Amd.1:2023(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO and IDF 2023
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 International Dairy Federation
CP 401 • Ch. de Blandonnet 8 Silver Building • Bd Auguste Reyers 70/B
CH-1214 Vernier, Geneva B-1030 Brussels
Phone: [phone] Phone: [phone]
Fax: [phone]
Email: [e-mail] Email: [e-mail]
Website: www.iso.org Website: www.fil-idf.org
Published in Switzerland
ii
  © ISO and IDF 2023 – All rights reserved

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ISO 9232:2003/Amd.1:2023(E)
IDF 146:2003/Amd.1:2023(E)
Forewords
ISO (the International Organization for Standardization) is a worldwide federation of national
standards bodies (ISO member bodies). The work of preparing International Standards is normally
carried out through ISO 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 non-governmental, in liaison with ISO, also take part
in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all
matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO document should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use
of (a) patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed
patent rights in respect thereof. As of the date of publication of this document, ISO had not received
notice of (a) patent(s) which may be required to implement this document. However, implementers are
cautioned that this may not represent the latest information, which may be obtained from the patent
database available at www.iso.org/patents. ISO shall not be held responsible for identifying any or all
such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 5,
Milk and milk products, and the International Dairy Federation (IDF). It is being published jointly by ISO
and IDF.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iii
© ISO and IDF 2023 – All rights reserved

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ISO 9232:2003/Amd.1:2023(E)
IDF 146:2003/Amd.1:2023(E)
IDF (the International Dairy Federation) is a non-profit private sector organization representing the
interests of various stakeholders in dairying at the global level. IDF members are organized in National
Committees, which are national associations composed of representatives of dairy-related national
interest groups including dairy farmers, dairy processing industry, dairy suppliers, academics and
governments/food control authorities.
ISO and IDF collaborate closely on all matters of standardization relating to methods of analysis
and sampling for milk and milk products. Since 2001, ISO and IDF jointly publish their International
Standards using the logos and reference numbers of both organizations.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. IDF shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
This document was prepared by the IDF Standing Committee on Analytical Methods for Dairy
Microorganisms and ISO Technical Committee ISO/TC 34, Food products, Subcommittee SC 5, Milk and
milk products. It is being published jointly by ISO and IDF.
The work was carried out by the Standing Committee on Analytical Methods for Dairy Microorganisms
under the aegis of its project leader Mrs Barbara Gerten (DE).
iv
  © ISO and IDF 2023 – All rights reserved

---------------------- Page: 4 ----------------------
ISO 9232:2003/Amd.1:2023(E)
IDF 146:2003/Amd.1:2023(E)
Yogurt — Identification of characteristic microorganisms
(Lactobacillus delbrueckii subsp. bulgaricus and
Streptococcus thermophilus)
AMENDMENT 1: Inclusion of performance testing of culture
media and reagents

Clause 2
Replace the reference to ISO 8261 | IDF 122 with the following:
ISO 6887-5, Microbiology of the food chain — Preparation of test samples, initial suspension and decimal
dilutions for microbiological examination — Part 5: Specific rules for the preparation of milk and milk
products
Add the following normative reference:
ISO 11133, Microbiology of food, animal feed and water — Preparation, production, storage and
performance testing of culture media
The titles of ISO 6887-1 and ISO 7218 are updated to their latest versions:
ISO 6887-1, Microbiology of the food chain — Preparation of test samples, initial suspension and decimal
dilutions for microbiological examination — Part 1: General rules for the preparation of the initial
suspensio
...

DRAFT INTERNATIONAL STANDARD
ISO 9232:2003/DAmd 1
IDF 146:2003/DAmd 1
ISO/TC 34/SC 5 Secretariat: NEN
Voting begins on: Voting terminates on:
2022-07-11 2022-10-03
Yogurt — Identification of characteristic
microorganisms (Lactobacillus delbrueckii subsp.
bulgaricus and Streptococcus thermophilus)
AMENDMENT 1: Inclusion of performance testing of culture
media and reagents
ICS: 07.100.30
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
This document is circulated as received from the committee secretariat.
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference numbers
NATIONAL REGULATIONS.
ISO 9232:2003/DAmd 1:2022(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
IDF 146:2003/DAmd 1:2022(E)
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO and IDF 2022

---------------------- Page: 1 ----------------------
ISO 9232:2003/DAmd 1:2022(E)
IDF 146:2003/DAmd 1:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO and IDF 2022
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 International Dairy Federation
CP 401 • Ch. de Blandonnet 8 Silver Building • Bd Auguste Reyers 70/B
CH-1214 Vernier, Geneva B-1030 Brussels
Phone: [phone] Phone: [phone]
Fax: [phone]
Email: [e-mail] Email: [e-mail]
Website: www.iso.org Website: www.fil-idf.org
Published in Switzerland
ii
 © ISO and IDF 2022 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 9232:2003/DAmd 1:2022(E)
IDF 146:2003/DAmd 1:2022(E)
Forewords
ISO (the International Organization for Standardization) is a worldwide federation of national
standards bodies (ISO member bodies). The work of preparing International Standards is normally
carried out through ISO 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 non-governmental, in liaison with ISO, also take part
in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all
matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 5,
Milk and milk products, and the International Dairy Federation (IDF). It is being published jointly by ISO
and IDF.
Any feedback or questions on this document should be directed to the user’s national standards body.
A complete listing of these bodies can be found at www.iso.org/members.html.
iii
© ISO and IDF 2022 – All rights reserved

---------------------- Page: 3 ----------------------
ISO 9232:2003/DAmd 1:2022(E)
IDF 146:2003/DAmd 1:2022(E)
IDF (the International Dairy Federation) is a non-profit private sector organization representing the
interests of various stakeholders in dairying at the global level. IDF members are organized in National
Committees, which are national associations composed of representatives of dairy-related national
interest groups including dairy farmers, dairy processing industry, dairy suppliers, academics and
governments/food control authorities.
ISO and IDF collaborate closely on all matters of standardization relating to methods of analysis
and sampling for milk and milk products. Since 2001, ISO and IDF jointly publish their International
Standards using the logos and reference numbers of both organizations.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. IDF shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
This document was prepared by the IDF Standing Committee on Analytical Methods for Dairy
Microorganisms and ISO Technical Committee ISO/TC 34, Food products, Subcommittee SC 5, Milk and
milk products. It is being published jointly by ISO and IDF.
The work was carried out by the Standing Committee on Analytical Methods for Dairy Microorganisms
under the aegis of its project leader Mrs Barbara Gerten.
iv
 © ISO and IDF 2022 – All rights reserved

---------------------- Page: 4 ----------------------
ISO 9232:2003/DAmd 1:2022(E)
IDF 146
...