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Listeria control

Clean Works is a waterless, gas-phase treatment that reduces Listeria monocytogenes on food products and food-contact surfaces, with no wash water and no residue.

Request Listeria dataSee the results

Why Listeria is different

A pathogen that thrives where food is cold and wet.

Listeria monocytogenes can survive and grow at refrigeration temperatures, and it persists in damp processing environments, drains and equipment.

Water-based washes can spread contamination from one product to the next through shared or recirculated water. Clean Works removes the water from the step entirely.

Waterless
No shared wash water, which reduces the risk of cross-contamination.
Residue-free
Hydroxyl radicals dissipate into water and oxygen. Nothing is left on the product.
Fast
In many applications, treatment occurs in 30 seconds or less.
Third-party validated
Tested with universities, independent laboratories and government research organizations.

Third-party results

Listeria reduction across products.

A selection of Listeria monocytogenes results from the Clean Works validation library. Performance varies with the product surface, treatment conditions and product presentation.

Whole red apples

Apples

Product
Whole apples
Target
Listeria
Result
2.32 log reduction
Fresh peaches

Peaches

Product
Fresh peaches
Target
Listeria
Result
2.1 log reduction
White button mushrooms

Mushrooms

Product
White mushrooms
Target
Listeria
Result
2.02+ log reduction
Frozen carrot slices covered in frost

Carrots

Product
Frozen carrot slices
Target
Listeria
Result
3.1 log reduction
Frost-covered frozen blueberries

Blueberries

Product
Frozen blueberries
Target
Listeria
Result
2.33 log reduction
Frozen sweet potato chips with ice crystals

Sweet Potato

Product
Frozen sweet potato chips
Target
Listeria
Result
1.67 log reduction
Whole frozen sardines covered in frost

Fish

Product
Frozen sardines
Target
Listeria
Result
1.85 log reduction
See all validation results

How it works

How Clean Works inactivates Listeria.

Hydrogen peroxide, UV-C light and ozone combine to generate hydroxyl radicals that attack microorganisms on contact, then dissipate into water and oxygen.

Activate

UV-C light activates ozone and hydrogen peroxide inside the treatment chamber.

Generate

Highly reactive hydroxyl radicals are generated throughout the treatment environment.

Destroy

The radicals attack microorganisms on exposed surfaces, damaging cell membranes, proteins and DNA and causing microbial inactivation.

Dissipate

After treatment, the hydroxyl radicals dissipate into water and oxygen, leaving behind no residue.

Where it fits

Listeria control across your operation.

Loose fresh lettuce and spinach leaves on a blue conveyor belt in a processing facility

Fresh Produce

Reduce foodborne pathogens and spoilage organisms while maintaining product quality and freshness.

Explore Fresh Produce
Individually quick frozen strawberries, blueberries, raspberries and mango covered in frost

Frozen & IQF

Reduce microbial risks that can persist through freezing without introducing a wet treatment or heat.

Explore Frozen & IQF
Raw chicken wings and thighs on wrapped foam trays on a stainless-steel table

Meat & Protein

Add an additional microbial control step for raw and cooked proteins without relying on heat or high pressure.

Explore Meat & Protein
Stacked reusable plastic containers on a conveyor in a distribution facility

Equipment, Packaging, and Food-Contact Surfaces

Decontaminate processing equipment, packaging, and other food-contact surfaces, including complex areas that can be difficult to reach with conventional treatments.

Explore Equipment & Surfaces

FAQs

Listeria control questions.

Yes. Third-party studies have shown Listeria reductions on products including whole apples, peaches, mushrooms, frozen carrots, frozen blueberries, frozen sweet potato and frozen sardines.

Additional Listeria validation data is available upon request.

Request Listeria data

See the Listeria results for your product.

Tell us what you process and where Listeria is a concern. Our team will follow up with relevant validation data and a first look at where Clean Works could fit in your operation.

  • Product-specific Listeria results
  • Treatment time and integration options
  • No obligation, no sales pitch