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To preserve the freshness and quality of fruits and vegetables, as well as their taste and aroma, they must be stored at certain temperatures and under certain conditions.

The most advanced storage systems for fruits and vegetables from Isolcell Italia S.P.A. guarantee energy-efficient high-quality solutions for storage that can be tailored to specific needs and conditions.

Traditional Controlled Atmosphere

Controlled Atmosphere (CA) is a classical technology of storage, involving the creation of a sealed chamber with specific temperature, humidity, and oxygen and carbon dioxide levels. The CA technology entails storing apples in an environment with controlled concentrations of oxygen and carbon dioxide (CO2). In the regular atmosphere, nitrogen constitutes about 78%, oxygen 21%, and CO2 0.03%. In a CA chamber, the oxygen content is approximately 1.5–2.5%. This process facilitates the ripening of fruits, proving particularly beneficial for exotic and imported fruits.

The key distinction of Controlled Atmosphere (CA) refrigerators from conventional ones lies primarily in their complete sealing of storage chambers. Another important element is the presence of hermetic entry doors; the interior chamber is filled with gas and the doors are tightly pressed around the perimeter. This achieves full sealing, preventing gas leakage from the chamber and maintaining the necessary environment for fruit preservation over an extended period of time.


If you've decided to construct a Controlled Atmosphere (CA) storage facility, you need to consider the volume and sequence of storage. It's advisable to start by creating several chambers of smaller capacity, especially if you have multiple apple varieties. Each variety should be stored in a separate chamber with a controlled atmosphere to avoid gas mixing and prevent rapid ripening and quality loss. Once the chamber loses its airtight seal, the storage period for fruits drastically shortens to 10-14 days.

Due to frequent changes and updates, presented data are provided on illustrative basis only. All materials contained on this website are protected by copyright and their use, copying and publishing in any form is prohibited without the written consent of Elektronika DP Elektronika JSC. Please read the full Terms of use

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