Strawberries
Recommended
Conventional cooling
Dynamic Cooling
Pre-cooling
De-greening
Ripening
General Tips for Strawberries
| Storage temperature | Relative Humidity (RH) | Duration | Pre-cooling | Sensitivity to ethylene | Ethylene Production | Controlled Atmosphere |
|---|---|---|---|---|---|---|
|
Storage temperature:
0,5° – 2° C
|
Relative Humidity (RH):
90%-95%
|
Duration:
5-10 days
|
Pre-cooling:
Air cooling
|
Sensitivity to ethylene:
Low
|
Ethylene Production:
Very low
|
Controlled Atmosphere:
Not recommended
|
Storage Temperature: Recommended storage temperature is 0.5 °C – 2 °C. |
High Humidity: Use an air cooler with a low temperature differential (ΔT) between inlet and outlet air. |
Storage Duration: Recommended period is 5 – 10 days. |
Controlled Atmosphere: Not recommended, as strawberries have a naturally short storage life. |
Ozone: Installation of an ozone system is recommended to reduce microbial load. |
Dynamic Pre-Cooling: A detailed study of temperature absorption time and air velocity is essential to ensure uniform cooling throughout the entire volume of the product. |
IMPORTANT TIPS
- Rapid pre-cooling below 2 °C and strict maintenance of the cold chain at all stages of distribution are essential.
- Do not expose pre-cooled fruit to warm or humid environments — surface condensation (“sweating”) can cause rapid deterioration.
- Maintain uniform temperature inside the cold storage chambers.
- Keep CO₂ levels between 10 % and 15 % to help preserve fruit quality.
- Ensure low air-speed cooling, as strawberries have delicate skin.
- Monitor sugar content during harvest (7° – 10° Brix) using optical refractometers.
- Disinfect cold-storage rooms before use.
- Avoid foreign odors, as strawberries easily absorb external smells.
- The use of edible coating sprays can significantly extend the product’s shelf life.