ISO INTERNATIONAL STANDARD 8553 IDF 131 First edition 2004-05-01 Milk Enumeration of microorganisms Plate-loop technique at 30 °C Lait - Dénombrement des micro-organismes - Methode de I'anse sur boites de Petri a 30 C Reference numbers ISO 8553:2004(E) IDF 131:2004(E) @ ISO and IDF 2004 yIHS under itted without license from IHS 2007 03:21:06 MDT ISO 8553:2004(E) IDF131:2004(E) PDFdisclaimer 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 downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. Neither the ISo Central Secretariat nor the IDF accepts any 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 and IDF national committees. In the unlikely event that a problem relating to it is found, please inform the ISO Central Secretariat at the address given below. @ ISO and IDF 2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, address below. ISO copyright office International DairyFederation Case postale 56 . CH-1211 Geneva 20 Diamant Building·Boulevard Auguste Reyers 80.B-1030 Brussels Tel. + 4122 749 01 11 Tel. + 32 2 733 98 88 Fax + 41 22 749 09 47 Fax + 32 2 733 04 13 E-mail [email protected] E-mail [email protected] Web www.iso.org Web www.fil-idf.org Published in Switzerland yationagazaiSandardizatio @ ISO and IDF2004-All rights reserved HQ/99807551 itted without license from IHS ISO 8553:2004(E) IDF 131:2004(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. 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. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 8553JIDF 131 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 5, Milk and milk products, and the International Dairy Federation (IDF), in collaboration with AOAC International. i ISO8553:2004(E) IDF 131:2004(E) Foreword IDF (the International Dairy Federation) is a worldwide federation of the dairy sector with a National Committeeineverymembercountry.EveryNationalCommitteehastherighttoberepresentedontheIDF Standing Committees carrying out the technical work. IDF collaborates with ISO and AOAC International in thedevelopmentofstandardmethodsofanalysisandsamplingformilkandmilkproducts. Draft International Standards adopted by the Action Teams and Standing Committees are circulated to the IDF National Committees casting a vote. ISO 8553JIDF 131 was prepared by Technical Committee ISO/TC 34, Food products, Subcommittee SC 5 It is being published jointly by ISO and IDF and separately by AOAC International. All work was carried out by the Joint ISO/IDF/AOAC Action Team on Microbiological harmonization, of the Standing Committee on Microbiological methods of analysis, under the aegis of its project leader, Dr J. Floor (ZA). ISOandIDF2004-All rights reserved onal Organization for Standardizatior lotfisee ISO8553:2004(E) INTERNATIONALSTANDARD IDF131:2004(E) Milk Enumeration of microorganisms Plate-loop technique at 30°C 1 Scope This International Standard specifies a method for the enumeration of microorganisms in raw milk by using the plate-loop technique at 30 °C. 2 Normative references The follow