ISO 9930-1993 Green beans storage and refrigerated transport《绿豆 储藏和冷藏运输》.pdf
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1、I N T E R NAT I O STANDARD IAL IS0 9930 First edition 1993-09-1 5 Green beans - Storage and refrigerated transport Haricots verts - Entreposage et transport rfrigr Reference number IS0 9930:1993(El IS0 9930: 1993 (E) Foreword IS0 (the International Organization for Standardization) is a worldwide fe
2、deration of national standards bodies (IS0 member bodies). The work of preparing International Standards is normally carried out through IS0 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 com
3、mittee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the
4、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. International Standard IS0 9930 was prepared by Technical Committee ISO/TC 34, Agricultural food products, Sub-Committ
5、ee SC 14, Fresh fruits and vegetables. Q IS0 1993 All rights reserved. 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 per- mission in writing from the publisher. international Organization
6、 for Standardization Case Postale 56 CH-121 1 Genve 20 Switzerland Printed in Switzerland II IS0 9930 93 W 4853903 0544959 04% INTERNATIONAL STANDARD IS0 9930:1993(E) Green beans - Storage and refrigerated transport 1 Scope This International Standard gives guidance on con- ditions for the successfu
7、l cold storage and long- distance refrigerated transport of green (snap) beans belonging to the species Phaseolus vulgaris L. and fhaseolus coccineus L., intended for direct con- sumption or industrial processing. 2 Normative reference The following standard contains provisions which, through refere
8、nce in this text, constitute provisions of this International Standard. At the time of publi- cation, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the m
9、ost re- cent edition of the standard indicated below. Mem- bers of IEC and IS0 maintain registers of currently valid International Standards. IS0 21 69:1981, Fruits and vegetables - Physical conditions in cold stores - Definitions and measure- ment. 3 Definitions For the purposes of this Internation
10、al Standard, the definitions given in IS0 2169 apply. 4 Conditions for harvesting and storage 4.1 Varieties The number of green (snap) bean varieties changes year by year with their economical availability de- pending extensively on the seed trade. Suitable methods of storage depend, therefore, on t
11、he quality of the pods rather than the variety, although yellow varieties have somewhat better storage properties. 4.2 Harvesting The product is harvested at an unripe stage (i.e. har- vest maturity). The pods should be easily broken by hand and the seeds should be adequately small and tender. Mecha
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