As global food supply chains extend to meet year-round demand, managing the “ripening hormone”, ethylene (C₂H₄), has become a critical engineering focus. Nearly 13.2% of global food loss occurs during storage and transit, primarily driven by the accumulation of this natural gas.
DCL International has developed a proprietary, patent-pending catalytic system designed to actively eliminate ethylene from refrigerated environments. This high-performance technology offers a sustainable alternative to traditional chemical treatments, ensuring produce maintains orchard-fresh quality from the farm to the consumer.
The Science of Ethylene Control
Ethylene is a naturally occurring plant hormone emitted by climacteric fruits like avocados, bananas, and apples. In enclosed “reefer” containers or cold storage rooms, even trace amounts of ethylene trigger a chain reaction that accelerates ripening, leading to premature spoilage and “shrinkage.”
The DCL solution utilizes a specialized low-temperature catalyst to break down ethylene molecules into harmless water vapor and oxygen. Unlike passive absorbing packets, this active system ensures consistent air quality throughout the entire cargo space, preventing localized buildup that leads to “hot spots” of spoilage.
Technical Performance Highlights
DCL’s engineering team has optimized this catalyst for the specific rigors of the global food supply chain:
- Sub-Zero Efficiency: While many catalysts require high heat, this system is engineered to operate effectively at temperatures as low as 4°C, maintaining performance in high-humidity refrigerated environments.
- Chemical-Free Preservation: The process is entirely non-toxic and requires no sprays (such as 1-MCP), making it the ideal solution for organic produce and sensitive high-value crops.
- Passive Regeneration: The catalyst is self-regenerating, utilizing ambient air or waste heat from existing refrigeration units to maintain activity without external energy input.
- Seamless Integration: The modular design allows for easy installation into existing transport containers, storage facilities, and refrigerated trailers.
“Food preservation is no longer just a packaging problem; it’s a global engineering challenge,” says Shazam Williams, Technical Director at DCL. By removing the biological “clock” that leads to spoilage, DCL technology enables producers and shippers to reach more distant markets while significantly reducing their environmental footprint.
Preliminary pilot tests have demonstrated a marked reduction in ripening over an 8-day period compared to untreated samples. This innovation represents DCL’s ongoing mission to solve real-world industrial problems with sustainable, high-impact engineering.
Industry Coverage:
- Air Freight News: DCL International unveils breakthrough catalyst for fruit preservation, extending shelf life and reducing global food waste
- American Journal of Transportation: DCL International unveils breakthrough catalyst for fruit preservation, extending shelf life and reducing global food waste
- Green Agriculture Reporter: DCL International Unveils Breakthrough Catalyst for Fruit Preservation, Extending Shelf Life and Reducing Global Food Waste
- Perishable News: DCL International Unveils Breakthrough Catalyst for Fruit Preservation, Extending Shelf Life and Reducing Global Food Waste
- Produce Processing: New catalytic system targets ethylene gas buildup to slow ripening


