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//ISO 1134:1993

ISO 1134:1993

Name: ISO 1134:1993 — Pears — Cold storage
SKU: ISO 1134:1993
Price: 25 EUR
Availability: InStock

Pears — Cold storage

Название (английский):

ISO 1134:1993

Pears — Cold storage

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 8
Дата публикации:: 21 октября 1993 г.
Издание:: ISO IS 1134 edition 2 version 1
ICS:: 67.080.10

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

Gives guidance on conditions for the successful cold storage of varieties of pears (Pyrus communis Linnaeus) up to their use in the fresh state: conditions for harvesting and storage, optimum storage conditions, controlled-atmosphere storage, storage in plastic packages.

Abstract

Overview

ISO 1134:1993 - Pears - Cold storage provides practical, international guidance for the successful cold storage of common pear varieties (Pyrus communis) from harvest to fresh-market use. The standard covers harvesting criteria, optimum storage conditions (temperature, humidity, air circulation), controlled‑atmosphere (CA) storage, and storage in plastic packages, and includes informative Annexes A (example CA regimes) and B (grower role and common storage disorders).

Key topics and technical requirements

Harvesting criteria: Maturity assessment by skin ground colour, flesh firmness (spring penetrometer), soluble solids (≥10% by refractometer), ease of separation and starch test (iodine/KI). Optimum harvest timing may vary by variety and region.
Pre‑storage handling: Rapid removal of field heat and precooling; careful handling and sorting to put only sound, clean fruit into store.
Storage temperature: Generally as low as possible without freezing; typical preferred range is about −1 °C to +0.5 °C. Temperature differences of 1 °C greatly affect storage duration.
Relative humidity: Recommended 90–95% RH to limit shrivelling and mass loss.
Air circulation and storage density: Typical storage density ~250 kg/m³ usable space; ventilation around 80–100 m³/h per tonne or an air circulation ratio of 20–30.
Controlled‑atmosphere (CA) storage: Suggested CO2 and O2 guides (e.g., CO2 1–3%, O2 ~2–5%) depend on cultivar and local practice. Avoid CO2 >5% for varieties susceptible to “brown heart”; liners should be perforated and CO2 within liners kept ≤3% to prevent core browning.
Ripening after storage: Recommended ripening temperatures 15–18 °C; ethylene treatment (commonly 1–2% at ~18 °C and ~90% RH) may accelerate uniform ripening.
Plastic packaging: Suitable food-contact films with perforation can reduce mass loss and extend storage life by 4–8 weeks for some cultivars.

Applications and users

ISO 1134:1993 is useful for:

Fruit growers and orchard managers setting harvest criteria and pre‑storage practices
Cold‑store operators and packhouses optimizing storage regimes, ventilation and CA systems
Cold‑chain logistics managers and exporters ensuring fruit quality during distribution
Post‑harvest researchers and extension specialists addressing physiological disorders (scald, brown heart, internal browning) and storage loss reduction
Food safety and quality managers aligning handling and storage to international good practice

Related standards

ISO 2169:1981 - Fruits and vegetables: physical conditions in cold stores (definitions and measurement)
AGRI/WP.1/EUR.STAN.1 - Revised European guidance for apples and pears (referenced in ISO 1134)

ISO 1134:1993 gives general, variety‑specific guidance and should be adapted by specialists to local climates and cultivar behavior for best results in pear cold storage.

Технические детали

Технический комитет: ISO/TC 34/SC 3 - Fruits and vegetables and their derived products
SKU: ISO 1134:1993

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PDF

ISO 1134:1993

Abstract

Overview

Похожие стандарты

Key topics and technical requirements

Applications and users

Related standards

Технические детали

ISO 2169:1981

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

ISO 11345:2006

Rubber — Assessment of carbon black and carbon black/silica dispersion — Rapid comparative methods

ISO 8212:1986

Soaps and detergents — Techniques of sampling during manufacture

ISO 20662:2020

Ships and marine technology — Hopper dredger supervisory and control systems

ISO 3021:2023

Adventure tourism — Hiking and trekking activities — Requirements and recommendations

ISO 3826-2:2008

Plastics collapsible containers for human blood and blood components — Part 2: Graphical symbols for use on l…

ISO/IEC 24730-1:2014

Information technology — Real-time locating systems (RTLS) — Part 1: Application programming interface (API)

ISO 8668-5:1992

Aircraft — Terminal junction systems — Part 5: Detail specification for type 3 system