Abstract: The orthogonal test of plate pepper microwave drying equipment was carried out with the water loss rate of plate pepper and the drying quality of plate pepper as the evaluation index. The effect of microwave drying process parameters on the drying quality of pepper was obtained. The optimum process parameters are: microwave power of 4000W, drying time of 20min, plate pepper treatment method for hole piercing on the surface of the pepper, microwave working mode is 180s/180s intermittent heating mode.
Key words: plate pepper microwave drying; high power; orthogonal test
Capsicum has a high pigment content and can be used as an industrial raw material to extract natural pigments. It has a certain position in agricultural products and has a broad market prospect. Pepper is widely cultivated in China, and it is widely planted in the south and north. At present, the degree of mechanization of pepper drying in China is very low, mainly due to natural sun drying. The reason is that there is no efficient and low-cost pepper industrial drying machine.
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