If the sweet potatoes start turning soft or mushy, they have gone bad. The same thing is true for sweet potatoes that turned a deep shade of brown to black. Check for weird growths through the skin or the presence of mold. If the sweet potatoes have developed an off-odor, toss the tubers in the trash. 31 мар. 2021 г.
How long do purple sweet potatoes last?
How long sweet potatoes last in normal room temperature depends on many factors, and it's best to keep them in a pantry to last 3–5 weeks. You can also store sweet potatoes in the fridge for 2–3 months, or freeze them to last even longer.
How can you tell if a purple sweet potato is bad?
A bad sweet potato will be mushy and have an unpleasant odor. The skin of rotten sweet potatoes will lose its original color, turning purple, red, or even black. The inside of a rotten sweet potato is soft and will fall off. A dark brown or black skin clearly shows that the sweet potato has gone bad.
How can you tell if sweet potatoes have gone bad?
Some common traits of bad sweet potatoes are discoloration and growths through the skin. They will begin to get soft and wet (water will leak out) and then turn brown and/or black. If part of the sweet potato goes bad, the whole potato should be thrown out as the flavor is affected.
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