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Fruit cold storage temperature requirements: How to store different types of fruit to keep them fresh? Don't overlook these details.

Update time:

2026-04-29

I. Why Can't Fruit Cold Storage Temperatures Be Fixed with a "One-Size-Fits-All" Approach? Let's Understand the Logic Behind It

When you buy fruit and put it in the refrigerator, some in the crisper drawer and some in the freezer. The same principle applies to fruit cold storage—different varieties have significantly different temperature requirements. It's not a matter of simply setting a number. Too high a temperature and the fruit will spoil; too low a temperature can cause frost damage, directly affecting its appearance and taste.

From a professional perspective, fruit is still "alive" after being picked; it continues to respire and consume nutrients. Temperature is the key switch controlling its "metabolic rate": the lower the temperature, the slower the respiration, and the longer the shelf life; but if it falls below a certain critical point, ice crystals in the cells will puncture the flesh, accelerating spoilage. Therefore, setting the cold storage temperature is essentially about finding a balance between "delaying aging" and "avoiding frost damage."

II. Common Fruit Cold Storage Temperature Requirements: Follow these guidelines for safe storage

1. Tropical Fruits: For those sensitive to cold, avoid excessively low temperatures

Mangoes, bananas, pineapples, lychees, and longans are particularly sensitive to low temperatures. The ideal storage temperature is typically between 10℃ and 15℃. Below 10℃, the peel may turn black and the flesh may become soft and mushy (for example, bananas stored below 5℃ will turn charcoal in two days).

For example: Mangoes are generally recommended to be stored at 12℃-13℃ with humidity maintained at 85%-90%. Lychees are even more delicate; the temperature must be controlled between 2℃ and 4℃ (but the storage time should not exceed one week). Above 5℃, they are prone to browning, and below 1℃, the area around the pit will freeze into ice crystals.

2. Subtropical Fruits: Wide adaptability, but avoid temperatures above 20℃

Citrus fruits (oranges, grapefruits), pomegranates, and bayberries are slightly more cold-resistant, with an ideal temperature between 4℃ and 10℃. For example, oranges can be stored at around 8℃ for 1-2 months. Too high a temperature will cause them to dry out, while too low a temperature will cause the stem end to turn brown.

Waxberries are an exception—they have an extremely high water content (nearly 90%), making them ideally suited for temperatures between 0℃ and 2℃. However, they should not be stored for more than 3 days, otherwise the flesh will release juice and become soft and mushy.

3. Temperate Fruits: These are the more durable fruits, and can be stored at slightly lower temperatures.

Apples, pears, grapes, and kiwis, common in northern regions, are typically stored at 0℃-4℃. For example, apples can be stored for 3-4 months at 0℃-1℃, and pears for about 2 months at 1℃-3℃. Kiwis are even more "cold-loving," ripening more slowly at 0℃-2℃, and can remain crisp and sweet for 1-2 months.

However, note that apples and pears should not be stored with bananas or other apples, as the ethylene they release will cause other fruits to ripen faster (this will be discussed in more detail later).

4. Berries: Delicate Little Princesses, Low Temperature + High Humidity are Key

Berry varieties like strawberries, blueberries, and mulberries thrive best at 0℃-2℃ with humidity exceeding 90%. High temperatures cause rotting, while low temperatures result in a bloomy surface that affects taste; insufficient humidity causes the skin to wrinkle and dehydrate.

For example, storing strawberries at 1℃-2℃, with a light mist sprayed on the surface to maintain moisture, can extend their shelf life by a week compared to room temperature. Blueberries are particularly sensitive to ethylene, so they should ideally be stored in a separate area in cold storage.

III. Besides Temperature, These Parameters Must Also Be Adjusted

Focusing solely on temperature is insufficient; humidity, ventilation, and gas composition in fruit cold storage are equally important. These factors are interconnected and indispensable.

1. Humidity: Too Dry, Skin Wrinkles; Too Humid, Mold Prone

Most fruits prefer an environment with a relative humidity of 85%-95% (berries even require over 90%). 1. **Cool Humidity:** Too low humidity will cause apples and pears to wrinkle after a few days; too high humidity will cause grapes and raisins to grow mold.

In practice, humidity sensors can be used to monitor humidity levels, and humidifiers or dehumidifiers can be used to adjust it. For example, when storing citrus fruits, if the peel appears dark, it's likely due to insufficient humidity, and additional humidity should be added immediately.

2. **Ventilation:** Don't let "exhaust gases" spoil the fruit.

Fruit respiration produces carbon dioxide and ethylene (ripening gases). High concentrations will accelerate spoilage. Cold storage facilities must ensure air circulation 1-3 times per hour (depending on the inventory), especially for large-scale storage. Air inlets and outlets should be evenly distributed to avoid localized oxygen deficiency or excessive carbon dioxide levels.

3. **Ethylene Control:** Store fast-ripening and slow-ripening fruits separately.

Apples, bananas, and mangoes are high in ethylene, which will ripen surrounding kiwis, pears, and persimmons. It is recommended to store fast-ripening fruits and slow-ripening fruits in separate areas, or use ethylene adsorbents (such as potassium permanganate carriers) to reduce the ethylene concentration in the storage room.

Tips: If cold storage space is limited, wrap the banana stems with plastic wrap (to reduce ethylene release) and store them separately from other fruits.

IV. Practical Tips: Avoid These Pitfalls

1. Not all fruits are suitable for long-term cold storage.

Fresh berries like strawberries and bayberries are best stored in cold storage for no more than 3-5 days, as their flavor will be lost over time. Apples, pears, and citrus fruits can be stored for 1-3 months, depending on the variety (for example, Fuji apples are more durable than Gala apples).

2. Pre-storage treatment is crucial.

Don't rush to put fruit into cold storage after harvesting. Pre-cool it to a suitable temperature (for example, pre-cool grapes at around 10℃ for 12 hours after picking, then lower them to 0℃ for storage). This reduces the impact of field heat on the storage temperature. Also, store damaged or wounded fruit separately to prevent mold growth.

3. Regular Inspections: Don't Skip the Steps

Even with perfect cold storage parameter settings, you still need to inspect it every 3-5 days: check for any fruit starting to rot (remove them immediately), ensure the hygrometer and thermometer are functioning properly, and check for blocked ventilation vents. Especially in the high temperatures of summer, when the cold storage compressor works under heavy load, pay extra attention to its operation.

V. Leave the Professional Work to the Professionals: Customized Cold Storage Saves You Worry

For fruit wholesalers and growers, cold storage is not simply a matter of installing a few air conditioners. Temperature zoning, humidity control, and ventilation layout all need to be tailored to the storage volume and fruit types. This is where finding an experienced cold storage customization service provider is crucial—for example, Xiangning Refrigeration. They have extensive experience in cold storage design, construction, and installation and will plan the most suitable temperature scheme for you based on your actual needs (e.g., whether you mainly store mangoes or apples, the size of your inventory, and the frequency of shipments), even considering details such as shelf spacing and pre-cooling zone settings, saving you the trouble of figuring things out on your own.

Ultimately, there's no standard answer to setting the temperature in fruit cold storage, but by adhering to the principle of "variety-specific and comprehensive control," coupled with professional design and daily maintenance, fruit can be kept fresh longer and look better. After all, fresh fruit not only tastes better, but customers are also more willing to pay for it—everyone understands this.