ABSTRACT: In the process of microwave drying apple slices, the quality and temperature of the samples were measured online and real-time, and the changes of the microstructures of the samples after drying were further detected, and the dynamic changes of temperature and quality during microwave drying were analyzed.
The results show that when the relative moisture content is 30%, only the discontinuous section of the material will be scorched, while when the relative moisture content is 15%, the surface of the material will be scorched, and the scorch will be aggravated at the discontinuous section. The temperature change of the material in the microwave drying equipment can be divided into three stages: the fast heating stage, the constant temperature stage and the slow heating stage, and the temperature in the microwave chamber will increase with the power as a whole. Increase.
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