Under the action of the micro-magnetic field of the microwave oven, the protein in the microbial egg receives the role of non-polar movement and polarity rotation, which is structural change or destruction, protein denaturation, loss of activity, and rapid death. So in theory, the microwave oven has a bactericidal effect. (The heating and drying effects have long been confirmed), but sterilization in a microwave oven has not been officially applied in the production of edible fungi.
Although there are sporadic tests, the sterilization time of the microwave oven is short and the effect is good. For example, the experimental medium of Hebei Hengshui Division Wei Shuzhen and other experimental microwave ovens are treated for 10 minutes, no pollution occurs in the bag, and the pressure is 1.2 kg for 90 minutes. The power of the microwave oven is 1200W, the power of the pressure cooker is 2000W, and the time of the microwave oven is 80%, which is efficient and energy-saving.
Microwave disinfection mainly has the following problems: 1. Microwave disinfection must be in the case of water, the effect is better, otherwise the medium will become dry and water; 2. Microwave power, the distance between the medium and the sterilization effect Larger, so there will be uneven sterilization, the effect is not the same; 3. In addition, the microwave oven is smaller in size and inconvenient to handle, the microwave sterilization technology in the production of edible fungi is generally sterilized by conveyor belt, so to determine the transmission speed The thickness and width of the material are very difficult. We have also tested it and the effect is not ideal.
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