your location:the process of quick-freezing sweet potatoes by sweet potato quick-freezing machine generally includes the following steps:
1. pre-processing: wash, peel and cut the sweet potatoes to ensure that the surface of the sweet potatoes is clean and cut into appropriate sizes and shapes.
2. cooking: cook the cut sweet potatoes, you can choose steaming, boiling or frying. the purpose of cooking is to soften the sweet potatoes;
and cook part of it in advance to better maintain its texture and taste during the subsequent quick freezing process.
3. cooling: place the cooked sweet potatoes in a cooler to allow the temperature to drop quickly.
the purpose of cooling is to prevent overheating from adversely affecting the quality of sweet potatoes and to prepare them for subsequent quick freezing.
4. packaging: pack the cooled sweet potatoes into quick-frozen packaging bags or containers to ensure sealing.
the purpose of packaging is to avoid moisture loss during freezing and to protect the sweet potatoes from outside air and contaminants.
5. freezing: place the packaged sweet potatoes into a sweet potato freezer for freezing. sweet potato quick freezing machines generally use low-temperature quick freezing technology.
quickly freeze sweet potatoes to temperatures below -18°c. the purpose of quick freezing is to solidify the water in the sweet potatoes in a short period of time and quickly form small ice crystals.
avoid damage to cell structure and texture by large ice crystals.
6. storage: store quick-frozen sweet potatoes in a refrigerator or freezer to maintain their freshness and quality. the purpose of storage is to prevent oxidation, deterioration and microbial contamination of sweet potatoes in a low-temperature environment.
7. transportation and sales: quick-frozen sweet potatoes can be transported to various sales points, such as supermarkets, catering establishments, etc., for consumers to purchase and eat.
it should be noted that the sweet potato quick freezing process may vary depending on sweet potato varieties, processing scale and equipment performance.
at the same time, in order to ensure the quality and safety of quick-frozen sweet potatoes, they should comply with relevant food safety standards and operating specifications, and strictly control parameters such as time, temperature, and humidity during the quick-freezing process.
