The processes of disinfestation, sanitization and pasteurization of dried mushrooms are critical to ensuring food safety, while preserving product quality and eliminating harmful microorganisms.
Radio Frequency (RF) technology offers a highly effective solution for these challenges. By uniformly and gently heating the product, RF technology eradicates pests, bacteria and pathogens without compromising the mushrooms’ flavor, texture, or nutritional value. Compared to conventional methods, RF pasteurization is faster, more efficient and extends shelf life while maintaining the product’s natural properties.
A prominent company in the dried mushroom industry, specializing in premium products, faced the pressing need to enhance safety and quality of its dried mushroomsused as ingredients by international customers. Its previous conventional pasteurization system failed to provide consistent and reliable results, leading to the adoption of RF technology as a modern approach capable of achieving superior results in both food safety and product integrity.
The solution was the integration of Stalam’s 7 kW continuous Radio Frequency system, which enabled through pasteurization by effectively eliminating harmful microorganisms while preserving the mushrooms’ original flavor, texture and nutritional value. The company thus successfully met higher food safety standards, positioning itself for further market success.
Process parameters
| PARAMETER | VALUE |
| Product | Porcini mushroom granules, 7/9 mm or 4/6 mm |
| Initial moisture content | 11–14% |
| RF treatment time | Approximately 6 minutes |
| Production capacity | Approximately 80–100 kg/h |
| RF energy consumption | 40–50 Wh/kg (RF) |
Microbiological results
| PARAMETER | VALUE |
| Molds and yeasts reduction | <10 CFU/g |
| Coliforms reduction | <10 CFU/g |
| Enterobacteriaceae reduction | <10 CFU/g |
| Total bacterial count (TBC) reduction | Approximately 2–3 log |
FOOD
Disinfestation and sanitisationRadio frequency provides a fast, chemical-free solution for agricultural pest control
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