Sweet potatoes can be stored in the refrigerator. The low temperature storage of sweet potatoes is 5-7 degrees, so sweet potatoes can be refrigerated, but it is generally not recommended to store sweet potatoes in a refrigerator. If stored in a refrigerator, sweet potatoes are prone to become soft due to the moisture in the refrigerator, and it is also easy to become rotten due to the moisture in the refrigerator. The storage time is not long.
Storage method of sweet potato:
1. Store in a ventilated and dry place
Wrap it in newspaper and keep it in a cool place, which can last for about 3 to 4 weeks. However, before wrapping with newspapers, you should spread the sweet potatoes on the newspaper to bask in the sun, and then wrap them for preservation, which can increase the sweetness of sweet potatoes. If conditions permit, the sweet potatoes can be wrapped in newspapers and placed in the refrigerator fresh-keeping room, so that the sweet potatoes will be kept longer and will not germinate.
2. Slice drying preservation
Slice sweet potatoes and put them on the room or in a sunny, dry and ventilated place to dry. Be careful not to be exposed to rain and snow. After drying, store it in a dry place indoors and soak it before eating.
3. Indoor storage method
Sweet potatoes are afraid of cold. When the temperature is too low, they will be frozen and form a hard heart. They cannot be steamed or boiled well; If the temperature is too high, it will sprout again. It is better to control the room temperature at about 15 ℃. It is better to store it in a breathable wooden box. In warm days, open the window properly for ventilation to keep the indoor air fresh and prevent cold wind from blowing in.
4. Cellar storage
Select a place with high terrain, solid soil and low groundwater level, and dig a shaft downward, generally about 1m in diameter and 5-6m in depth. The size of the storage room can be determined according to the amount of storage. The storage room should be padded with 10-15cm thick dry sand, on which sweet potatoes should be placed. The sweet potato can only be 70% full, so as to leave a place for air exchange, otherwise it will become more rotten due to wet and hot.