Abstract
Ensuring the safety of grain raw materials during storage is an urgent problem. The most efficient and environmentally friendly method is the microwave radiation method. To obtain products that meet the requirements of quality and safety, it is necessary to determine the effective modes of exposure. For this purpose, the decontamination of corn and rice grain depending on the heating rate and time of microwave radiation exposure on the grain was studied on the MkP‑1200 unit with the 2450 MHz mode of action. Microbiological indices of grain determined according to standard methodology showed species diversity of microorganisms on untreated grain. Maximum disinfection of rice grain was observed at a heating rate of 0.63 to 0.71°C/s, treatment time of 122 to 171 s. Maximum disinfection of corn grain was observed at a heating rate of 0.6 to 0.69°C/s. The electromagnetic field of ultra-high frequency minimises indicators of microbiological contamination and provides the best indicators of safety and quality of grain during storage.
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