New Eco-Friendly Pasteurization System
Rather than using noxious gasses, radiation, or carbon-producing thermal techniques, the company’s new Macrowave Ultra-Series pasteurization system applies a high-frequency electric field to food products.
Radio Frequency Co. (Millis, MA) has introduced a new pasteurization system that it says is more environmentally friendly than typical processes. Rather than using noxious gasses, radiation, or carbon-producing thermal techniques, the company’s new Macrowave Ultra-Series pasteurization system applies a high-frequency electric field to food products to effectively control pathogens.
The material to be treated is conveyed through a high-frequency electrode ray, with which alternating electrical energy causes the material to heat rapidly and uniformly, throughout product thickness. Due to the rapid, volumetric heating, the material is not exposed to elevated temperatures for long durations, preserving the materials’ nutritional values.
The company says that radio-frequency heating is a highly efficient, “direct” form of heating so that no energy is wasted. The company offers systems for bulk or bagged pasteurization and/or insect de-infestation of nut meats and various types of flour, grains, pasta, tobacco, fishmeal, xanthan gum, and other food ingredients, as well as finished products.
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