Frozen Steamed Sweet Potato

Basic material selection: Meticulously select wonderful potatoes with smooth skin, no noticeable scars, no parasites and illness, and ideal maturation as basic materials to guarantee the top quality of pleasant potatoes. Washing and peeling: Place the pleasant potatoes into the washing equipment, thoroughly clean the mud and contaminations on the surface with running water, and after that utilize an ideal peeling technique, such as mechanical peeling or manual peeling, to eliminate the sweet potato skin and decrease the loss of pleasant potato flesh. Steaming: Put the peeled sweet potatoes right into the steamer, set the ideal steaming time and temperature according to the size and variety of the pleasant potatoes, and typically steam till the pleasant potatoes are prepared, the inside is soft but still maintains a specific form, to make certain that the pleasant potatoes have a taste and flavor. Cooling: Quickly move the steamed wonderful potatoes to the cooling location, and swiftly minimize their temperature by air cooling or natural cooling, so regarding accomplish subsequent quick cold operations to prevent the sweet potatoes from wearing away as a result of residual heat. Quick freezing process: put the cooled wonderful potatoes right into the quick freezer and freeze them at a low temperature level of -30 ℃ to -50 ℃, to ensure that the moisture inside the pleasant potatoes rapidly creates great ice crystals to lock the nutrients, taste and shade of the pleasant potatoes. The quick cold time need to make certain that the center temperature of the pleasant potatoes gets to below -18 ℃. Product packaging steps: in a reduced temperature setting, according to the defined weight and packaging specs, utilize moisture-proof and air-proof packaging materials to package the quick-frozen fit to be tied wonderful potatoes to avoid them from being frozen, dried out or infected by microorganisms during storage space and transport. Finally, the packaged items are sent to a cold storage listed below -18 ℃ for storage, awaiting sale and transportation.