Step 1: Choose fresh sweet potatoes.
First, choose fresh sweet potatoes. Fresh sweet potato has smooth surface, no crack, bright color and soft touch. If the surface of sweet potato is damaged or discolored, don't choose it.
Step 2: Wash the sweet potato.
It is necessary to clean sweet potatoes before storing them in cold storage. Put the sweet potato in clear water and gently rub it with your hands to remove dirt and impurities on the surface. Then rinse with clean water and dry for later use.
Step 3: package the sweet potato.
Put the cleaned sweet potato into a plastic bag, squeeze the mouth of the bag as tightly as possible, and exhaust the air in the bag. Then, put the bag in the refrigerator and put it on the lowest floor of the cold storage to keep the freshness of the sweet potato.
Step 4: Pay attention to temperature and humidity.
Pay attention to temperature and humidity when storing sweet potatoes in cold storage. The optimum storage temperature of sweet potato is 10℃~ 15℃, and the humidity is 85%~90%. Therefore, when storing sweet potatoes in cold storage, it is necessary to adjust the temperature and humidity to maintain the freshness and taste of sweet potatoes.
final result
Through the above steps, the fresh-keeping period of sweet potatoes can be prolonged, making them more fresh and delicious. Of course, in addition to the cold storage of sweet potatoes, we can also cut sweet potatoes into small pieces and put them in the freezer for later use. I hope this article is helpful to everyone!