Onion cold storage preservation and storage methods

Onion is a common vegetable with a long shelf life, but appropriate methods need to be taken during storage to extend its shelf life. Cold storage is one of the ideal environments for onion storage. The following will introduce the relevant content of onion cold storage preservation and storage methods:

1. Temperature control

Onions are best stored in low-temperature environments, with a recommended temperature range of 0℃ to 4℃. By precisely controlling the temperature of the cold storage, the shelf life of onions can be extended.

2. Humidity regulation

Onions have high humidity requirements, with a suitable humidity range of 65% to 70%. Maintaining an appropriate humidity level in a cold storage can reduce the loss of moisture from onions and extend their shelf life.

3. Ventilation and preservation

Good ventilation can effectively eliminate carbon dioxide and ethylene gas inside the cold storage, slow down the metabolism rate of onions, and extend their shelf life. Meanwhile, ventilation also helps maintain the humidity balance inside the cold storage.

4. Moisture proof treatment

Onions are prone to moisture and decay, so it is necessary to pay attention to moisture-proof treatment. When storing onions, use breathable packaging materials or mesh bags to avoid direct contact with the ground and prevent moisture from entering.

5. Partition storage

According to the type and maturity of onions, they can be stored in cold storage zones. Separating fresh onions from mature ones can help extend the shelf life of fresh onions.

6. Regular inspection

Regularly check the storage status of onions and promptly remove any rotten or spoiled onions to prevent them from affecting the health of the surrounding onions.

By using the above preservation and storage methods, the shelf life of onions can be effectively extended, maintaining their freshness and taste. Cold storage, as an ideal storage environment, provides good conditions for the long-term preservation of onions. Enterprises should strictly follow the above methods during the preservation and storage of onions in cold storage to ensure product quality and market competitiveness. If you have a need for the construction of such cold storage facilities in the near future, please feel free to consult haocool, a professional provider of a complete set of cold storage engineering design, procurement, installation, and after-sales integrated solutions, providing cold storage construction services for large food, pharmaceutical, cold chain logistics, chemical and other enterprises.