2168 (TSO) NTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MEKIYHAPOTHAN OPrAHW3AHA IO CTAHIAPTH3ALIWH.ORGANISATION INTERNATIONALE DE NORMALISATION Table grapes -- Guide to cold storage Raisins de table - Guide pour I'entreposage refrigeré First edition -- 1974-07-01 ISO 2168-1974 (E) Ref. No. ISO 2168-1974 (E) UDC 634.836.14 : 664.8.037.1 Descriptors : agricultural products, fruits, grapes, food storage, cold storage. Price based on 5 pages Copyright International Organization for Standardization ted without license from IHS Not for Resale FOREWORD ISO (the International Organization for Standardization) is a worldwide federation of national standards institutes (IsO Member Bodies). The work of developing International Standards is carried out through ISO Technical Committees. Every up 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. Draft International Standards adopted by the Technical Committees are circulated the Member Bodies for approval before their acceptance as International to Standards by the ISO Council. International Standard ISO 2168 was drawn up by Technical Committee ISO/TC 34, Agricultural food products, and circulated to the Member Bodies in October 1970. It has been approved by the Member Bodies of the following countries : Australia Hungary Portugal Bulgaria Iran Romania Chile Ireland Thailand Czechoslovakia Israel Turkey Egypt, Arab Rep. of Netherlands United Kingdom France Poland U.S.S.R. The Member Bodies of the following countries expressed disapproval of the document on technical grounds : Austria South Africa, Rep. of @ International Organization for Standardization,1974 Printed in Switzerland d without license from IHS Not for Resale ISO 2168-1974 (E) INTERNATIONAL STANDARD Table grapes - Guide to cold storage 3.3 Quality characteristics for storage 1 SCOPEANDFIELDOFAPPLICATION This International! Standard describes The bunches should be sound, free from any visible signs of methods for fungal attack, clean and free from traces of water in the obtaining conditions for the more or less prolonged keeping, by cold storage, of certain varieties of table grape, liquid state. originating from Vitis vinifera Linnaeus. The grapes should be spaced as uniformiy as possible on the The limits of application of this guide are given in annex A. stalk and practically covered with bloom. The stalk should be really green and turgid. 2 REFERENCE It is not advisable to store bunches with aborted fruit, or ISO 2169, Fruits and vegetables - Physical conditions in bunches having grapes which are too close together or cold stores -- Definitions and measurement. abnormally arranged on the stalk ("clear stalk"). Pruning may be carried out, provided that it does not produce too great a cleared area. CONDITIONS OF HARVESTING AND COLD 3 STORAGE 3.4 Disinfection 3.1 Varieties The cold store and, where applicable, the packages should be disinfected beforehand by a suitable method. A list containing some examples of varieties proposed for It is often recommended that the grapes be given a long-term storage in certain countries is given in annex B. treatment of antifungal agents immediately after harvesting, 3.2 Harvesting if their use is permitted (see clause 5). The grapes should be harvested ripe, since they do not 3.5 Cold storage develop during the storage period. When the grapes are The bunches shall be put into cold storage as soon as harvested late, their storage life is short, with the exception possible after harvesting. of grapes cultivated under glass and harvested in dry weather. Nevertheless, if the harvesting has taken place at If the location of the cold store makes immediate storage the end of a period of rain, a shorter storage life is to be impossible, the grapes shall be stored in a cool place expected protected from sunlight for a maximum of 24 h. It is recommended that as