Purple sweet potatoes can be stored in the refrigerator, but do not store them for a long time. Purple sweet potato is very rich in nutrients. If the storage method is not used properly, these nutrients will be easily lost. Purple sweet potato can be stored in the refrigerator, but purple sweet potato is very rich in starch, but low temperature will destroy the structure of the starch. , it is best not to put it in the refrigerator for a long time.