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Food decontamination - Industrial microwave and radio frequency systems | SAIREM Technologies

A reliable alternative to conventional food decontamination methods

Microwave and radio frequency decontamination are thermal processes used to reduce microbial load in food ingredients. As the industry shifts toward clean-label products and stricter safety requirements, manufacturers are looking for faster, more reliable alternatives to conventional heat treatments.

SAIREM’s microwave and radio frequency technologies generate rapid, volumetric heating that acts directly within the product. This allows effective reduction of pathogens, molds, and spoilage microorganisms — even in low-moisture or heat-sensitive ingredients — while maintaining product quality, texture, and nutritional value.

Key advantages of microwave and radio frequency decontamination

Fast treatment

Delivers the required log reduction in seconds to minutes, compared to much longer cycles with conventional thermal processing.

Clean-label, chemical-free

Ensures microbial safety without the use of fumigants, irradiation or chemical preservatives.

Uniform and repeatable heating

Volumetric heating provides consistent treatment throughout the entire product.

Preserves product quality

Limits thermal stress and helps maintain flavor, texture and nutritional value.

Energy-efficient and compact

Fully electric systems designed for high energy efficiency, and possible integration into existing lines.

Material and packaging compatibility

Suitable for powders, grains, nuts, spices and seeds, as well as various packaging types (glass, plastic, paper).

Food decontamination treated products

SAIREM’s microwave and radio frequency systems are designed for the thermal decontamination of a wide range of industrial food ingredients. For any specific product or formulation, feel free to contact us.

Spices and herbs decontamination

Spices and herbs are prone to high microbial loads due to harvesting and drying conditions.

Fast, uniform heating that preserves volatile aromas
Significant microbial reduction (pathogens, molds, yeasts)
Protects color, essential oils, and aromatic profile
Ideal for clean-label spice processing
No irradiation, no chemicals

Powdered ingredients (cocoa, milk powder, proteins, starches)

Radio frequency and microwave technologies deliver deep, volumetric heating without agglomeration.

Uniform internal heating
Maintains powder functionality (solubility, flowability)
Suitable for sensitive ingredients
High repeatability

Nuts, seeds & oil-rich ingredients

Microbial reduction without roasting
Preserves crunch, flavor, and oil integrity
No oxidation or off-flavors
Adapted to almonds, peanuts, sesame, chia, etc.

Cereals, grains & flours

Volumetric heating suitable for bulk flows
Maintains nutritional and functional properties
Reduces molds, pathogens, and overall plate counts
Compatible with in-line continuous processing

Plant-based protein-rich ingredients

Such as soy protein, pea protein, chickpea protein, lentil protein, etc.

Gentle microbial reduction without denaturation
Maintains color, taste, and amino acid profile
Works with pea protein, soy, fava bean, etc.

Tea, coffee, botanicals

Gentle heating maintains volatile aromas and active molecules in sensitive products
No loss of aroma or color
Fully electric and residue-free
Ideal for premium formulations

Here’s a questions-and-answers section about our industrial decontamination solutions.

Microwave and radio frequency food decontamination are thermal processes used to improve food safety by reducing microorganisms in ingredients. These technologies rely on volumetric heating to deliver fast and uniform microbial reduction throughout the product.

Microwave decontamination heats products from the inside out, enabling rapid temperature rise and effective pathogen reduction in food ingredients. This approach is particularly suitable for low-moisture food decontamination, where conventional methods are less efficient.

Industrial microwave and radio frequency decontamination systems effectively reduce Salmonella, E. coli, molds, yeasts, and overall microbial load. These technologies are widely used as reliable microbial reduction equipment for sensitive food ingredients.

Yes. Microwave and radio frequency technologies are non-ionizing and fully recognized in the food industry as safe thermal decontamination processes. They comply with international food safety standards and do not alter the chemical structure of the product.

Microwave and radio frequency systems provide a chemical-free decontamination alternative to fumigation or irradiation. They offer effective food ingredient sanitization while preserving product quality and supporting clean-label production.

These systems are designed for a wide range of products, including spices, grains, powders, nuts, seeds, and other low-moisture foods, making them ideal for industrial food decontamination applications.

No. Thanks to short treatment times and controlled heating, this sanitization process preserves flavor, color, and nutritional value better than many conventional thermal methods.

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Food decontamination - Industrial microwave and radio frequency systems | SAIREM Technologies

A reliable alternative to conventional food decontamination methods