Key Factors That Decide How Long Your Tomatoes Stay Fresh in Cold Storage
Keeping tomatoes fresh and market-ready starts with how the plants are nourished, the stage of ripeness, gentle handling to avoid bruises, maintaining the proper humidity to prevent shriveling or mold, and ensuring proper airflow. Several factors are most important, such as:
- Temperature: Setting the temperature range in 12.5–15 °C for short to medium storage slows ripening without causing chilling damage.
- Chilling injury: As tomatoes are sensitive to low temperature, green (mature green) fruit can show chilling injury if stored much below ~10°C, and ripe fruit can be harmed at even lower temperatures (near 5°C).
- Relative Humidity: You need to make sure the humidity is high but controlled (around 85-90%) so tomatoes don’t lose weight and wrinkle.
- Airflow & Ventilation: It needs a uniform airflow to prevent hot or humid pockets and remove ethylene and CO₂ around the fruit.
There are other factors like ethylene management, precooling & good handling before storage, sanitation, moisture control & monitoring, packaging, stacking, and compatibility.
Your cold room should prioritize the right temperature band, steady airflow, ethylene control, fast precooling, and strict sanitation to keep tomatoes firmer, tastier, and saleable for longer.
What Temperature and Humidity Should Your Tomato Cold Storage Maintain?
1. The Temperature of the Tomato Cold Storage
As the tomatoes are very sensitive, you need to store them at the right temperature to keep them ripe and flavorful.
Mature green tomatoes that were just picked before turning color need to be stored at 12.5–15 °C (55–60 °F) for up to about two weeks before they begin to lose color or quality.
Firm-ripe fruit or nearly ready to eat tomatoes need to be stored at 7–10 °C (44–50 °F), which is ideal for a few days of storage with minimal flavor or aroma loss.
Keep in mind that storage temperature below ~10 °C (50 °F) is hazardous.
2. The Humidity of the Tomato Cold Storage
Humidity is commonly not seen as critical as temperature, but when it comes to tomatoes, it’s very vital.
The ideal relative humidity for tomato cold storage is 85% to 90%, and maintaining that narrow range is essential for preserving the quality.
If the humidity drops too low, the tomatoes start to lose moisture and shrivel, resulting in weight loss and a dull appearance. But if it is too high, there will be condensation, encouraging mold growth and surface decay.
This is where our professional cold storage for tomato equipment makes the difference. They are appropriately designed with stable airflow and precision controls that can hold proper humidity consistently, so tomatoes are fresh, firm, and ready for the market longer.
Tomato Cold Storage Equipment-Outdoor Unit
Tomato Cold Storage
Tomato Cold Storage Equipment-Indoor Unit
Tomato Cold Storage Chart PDF
- Solution for Tomato Cold Storage
| Temperature and humidity of the tomato cold storage | |||
| Temperature | 10~13℃ | Humidity | 85%~90% |
| Air Cooled Condensing Unit for Tomato Cold Storage | |||
| Temperature range | Refrigerant | Capacity | |
| With Bitzer Compressor | -25℃~+5℃ | R22, R404A | 5.8-148.5KW |
| With Copeland Compressor | -20℃~+5℃ | R22, R404A | 6.2-25KW |
| With Danfoss Compressor | -10℃~+10℃ | R22, R404A | 3.32-16.7KW |
| With Invotech | -30℃~+10℃ | R22, R404A | 6.2-25KW |
| Cubic Air Cooling Evaporator for Tomato Cold Storage | |||
| Cooling area | Air Flow | Capacity | |
| CEH series | 15-210㎡ | 1*190-4*6500m³/h | 3-4.27KW |
| ZLH series | 10-580㎡ | 1*3100-3*16200m³/h | 2-11.6KW |
| DL series | 25-580㎡ | 3*3100-3*16200m³/h | 5-11.6KW |
| Dual-discharge evaporator | 10-105㎡ | 1*1400-3*5000m³/h | 1.5-16.3KW |
