Effect of quick freezing process and vacuum negative pressure on the quality of fried potato chips (2)

Effect of quick freezing process and vacuum negative pressure on the quality of fried potato chips (2)
Operation points:
1 raw material selection. Strictly remove germinated, green potatoes and rotten, diseased potato pieces. Potato tubers are required to be large, long tubular or elliptical, neatly shaped, uniform in size, thin in epidermis, shallow in buds, and free of scabs and other mites. The flesh is white or yellowish. 
2 peeled. After cleaning the dust, silt and dirt adhering to the surface of the raw material with clean water, the potato skin is removed by a potato peeler.

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