Cold Chain Fruits: How to Preserve Freshness

Cold chain fruits require specific conditions to maintain freshness, flavor, and quality from harvest to consumer. To achieve this, temperature and humidity must be precisely controlled throughout storage and transportation. Maintaining the cold chain is essential for reducing waste and extending shelf life.

What Makes Cold Chain Fruits So Sensitive?

Fruits and vegetables differ in how they ripen. For example, apples and bananas are climacteric fruits that continue ripening after harvest. Others, like grapes and strawberries, are non-climacteric fruits and must ripen on the plant. These differences impact how cold chain fruits must be stored and transported.

Key preservation factors include:

• Temperature: Must be between 1ºC and 13ºC depending on the product.
• Humidity: Relative air humidity should stay between 85% and 90%.
• Air circulation: Helps avoid dehydration and microbial growth.
• Ethylene control: Especially important for climacteric fruits that produce this ripening hormone.

How to Maintain the Cold Chain Efficiently

Maintaining the cold chain for fruits ensures freshness during all supply chain stages. Breaks in this chain result in nutrient loss, flavor degradation, and waste. Effective systems monitor environmental conditions and adjust as needed.

Recommended Storage Conditions

Here are some storage guidelines for common cold chain fruits:

• Grapes: Store at 1ºC for up to 4 months.
• Mandarins: Keep at 4ºC for 3–4 weeks.
• Avocados: Ideal between 7ºC and 12ºC for up to 2 weeks.

Why Airflow Matters

Maintaining proper airflow in storage chambers is vital. It ensures cold chain fruits don’t dehydrate and helps preserve a uniform climate. Poor airflow leads to uneven ripening and faster spoilage.

Intersam Solutions for Cold Chain Fruits

Intersam offers customized refrigeration systems for the food industry, ideal for handling cold chain fruits. With nearly 30 years of experience, we build high-efficiency systems including heat exchangers, condensers, and adiabatic air coolers.

Our solutions support all stages of fruit handling—from production to storage. We prioritize performance, energy efficiency, and environmental responsibility.

We serve clients in Spain and internationally. Contact us to find out how we can help preserve your products with professional cold chain solutions.

Learn more about post-harvest handling of fruits at FAO – Handling and preservation of fruits and vegetables.