Fresh strawberries treated with photoplasma
Using Icezone

Fresh Produce Shelf Life Extension

In the highly competitive food retail industry, maintaining the freshness and quality of perishable items is critical for reducing waste, cutting costs, and enhancing customer satisfaction. Biozone Scientific partnered with a commercial retailer to test the impact of Photoplasma™ technology on fresh produce shelf life.

The Problem

Spoilage of fresh produce like strawberries, raspberries, and asparagus leads to substantial waste, financial losses, and environmental impact. Traditional storage methods often fail to address the rapid growth of mold and bacteria, particularly in humid refrigeration environments, leaving retailers seeking innovative solutions.

The Solution

Biozone Scientific’s Photoplasma™ technology introduces low levels of ozone into refrigeration units. This gas-based solution reduces harmful pathogens, such as mold and bacteria, while preserving the color, firmness, and freshness of produce without the need for harmful chemicals.

The Results

Mold Prevention:

  • Strawberries: Molded in 2 days in the control cooler but remained mold-free for 15 days in ozone-treated environments.
  • Raspberries: Mold-free for 5 days at 0.6 ppm and over 15 days in higher ozone concentrations.

Shelf-Life Extension:

  • Asparagus: Maintained firmness for up to 17 days longer at 2.0 ppm ozone.
  • Strawberries and Blueberries: Retained vibrant color for an additional 5–9 days.

Commercial Impact:

A 30-day retailer trial showed 66% less product waste. Strawberries, raspberries, and lettuce lasted up to 10 days longer, translating to significant cost savings and reduced spoilage.

Table and images showing strawberries and comparing results from untreated produce vs Photoplasma™

Conclusion

Biozone Scientific’s Photoplasma™ technology provides an effective, chemical-free solution for extending the shelf life of fresh produce. This innovative approach delivers measurable financial and environmental benefits, making it a valuable tool for the food retail industry.

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