SIST ISO 2168:1996 PDF

Name: SIST ISO 2168:1996 — Table grapes -- Guide to cold storage
SKU: SIST ISO 2168:1996
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Table grapes -- Guide to cold storage

Название (английский):

SIST ISO 2168:1996

Table grapes -- Guide to cold storage

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 5
Дата публикации:: 1 декабря 1996 г.
ICS:: 67.080.10
Технический комитет:: KŽP - Agricultural food products

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Описание (английский):

The guidance describes methods for obtaining conditions for the more or less prolonged keeping of certain varieties originating from Vitis vinifera Linnaeus. It includes conditions of harvesting and putting into store, and optimum conditions, such as temperature, relative humidity, storage life, air circulation; further adjuncts for keeping. Limits of application are given in an annex A. Annex B lists some examples of varieties recommended.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 2168:1974 - "Table grapes - Guide to cold storage" is an international guide for postharvest handling and refrigerated storage of table grape varieties originating from Vitis vinifera. The standard describes harvesting practices, packing and pre-cooling, optimum cold‑storage conditions (temperature, relative humidity, air circulation), storage life expectations, adjunct treatments (sulphur dioxide fumigation or in-package SO2 generators), and limits of application (Annex A). Annex B provides examples of varieties recommended for long‑term storage.

Key topics and technical requirements

Harvest and packing

Harvest grapes mature; avoid damaged or visibly fungal fruit.
Pack in a single layer where possible; contents should be homogeneous and not overly tight.
Avoid holding wet fruit; if immediate cooling is not possible, keep in shade and cool within 24 hours.

Optimal cold‑storage conditions

Temperature: Optimal range about −1.5 °C to 0 °C (greenhouse-grown grapes: approximately 0 °C to +1 °C).
Relative humidity: Maintain 90–95% RH to prevent shrivel of stems and pedicels.
Air circulation: Ensure good air mixing (guide example coefficient 30–40) and provide controlled air renewal.
Storage life: Varies by variety and preharvest conditions; biologically possible up to 6 months, but maintaining green, turgid stems is difficult beyond ~4 months.

Sanitation and antifungal controls

Disinfect cold rooms and packaging before use.
Apply antifungal treatments when authorized; control Botrytis with approved methods.

Sulphur dioxide (SO2) treatments

The guide describes short fumigations on chamber entry (examples: higher short‑dose or lower longer exposures) and periodic treatments (e.g., every 10–15 days at lower concentrations).
For continuous or in‑package protection, the use of metabisulfite SO2 generators or impregnated sachets is described; target in‑package SO2 ranges are indicated (guide: 80–300 ppm in permanent regimes).
Use of sealed packaging without gas exchange can produce off‑flavours; films should have perforations to allow gas removal.

Limitations

Annex A stresses local variability: not all varieties or climates are fully covered and specialists should adapt conditions accordingly.
ISO 2169 is referenced for definitions and measurement methods of storage physical parameters.

Practical applications

Enables growers, packers, cold‑storage operators and exporters to set evidence‑based parameters for postharvest handling and refrigerated storage of table grapes.

Helps design packaging strategies (single‑layer packing, perforated films, in‑package SO2 generators) and cold‑chain procedures (pre‑cooling, temperature and humidity control).

Informs quality control, shelf‑life planning, and export logistics to reduce fungal decay and maintain fruit quality.

Related standards

ISO 2169 - referenced for definitions and measurement of refrigeration physical quantities.

Annex B of ISO 2168 lists example varieties (e.g., Thompson Seedless/Sultanine, Muscat, Italia, Cardinal) recommended for storage under the guide’s conditions.

Keywords: ISO 2168, table grapes cold storage, Vitis vinifera, temperature, relative humidity, sulphur dioxide, SO2 generators, postharvest handling, storage life, grape varieties.

SIST ISO 2168:1996 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 2168:1974

Table grapes — Guide to cold storage

SIST ISO 2169:1996

Fruits and vegetables -- Physical conditions in cold stores -- Definitions and measurement

BS ISO 21684:2025

Fans. Laboratory test methods for air circulating fans