Sweet potato has two shapes, slender and chubby. Among them, thin sweet potato is called "male sweet potato" and short sweet potato is called "female sweet potato". "Male sweet potato" is also very beautiful when cut into slender shapes, and the main sugar content is much higher than that of "female sweet potato". Because "Mother Sweet Potato" is very fat, it is not suitable for roasted sweet potatoes. Otherwise, from the outside.
Some sweet potatoes are stored for too long, almost losing moisture, and the skin of sweet potatoes is wrinkled. Sweet potatoes go bad easily if eaten too much, so it is not recommended to buy them. We need to choose sweet potatoes with smooth skin and no wrinkles. These sweet potatoes are fresh, full of water and rich in sugar, and the cooked taste is very sweet and delicious.
Fresh-keeping technology of sweet potato
Dry the sweet potato for 3-5 days to reduce the water content of the sweet potato. Store in a carton with old newspapers or old clothes at the bottom, put sweet potatoes in a carton with a layer of newspapers or old clothes between each layer of sweet potatoes, and finally cover the carton with a layer of newspapers, seal the carton and put it in a dry and ventilated environment at home.
It can also be stored in plastic bags. You can wrap the sweet potato in toilet paper or old newspaper, and then put it in a plastic bag to tie the mouth of the bag, also in a dry and ventilated place. Refrigerator storage, if the amount of sweet potatoes is small, can also be stored in the fresh-keeping layer of the refrigerator. Before storage, sweet potatoes are wrapped in plastic wrap and then put into the fresh-keeping layer of the refrigerator.