A rotten sweet potato will be purple or black, and the flesh will be soft and mushy. Moreover, it will smell bad. This is a sure sign that a rotten sweet potato isn't edible. It's best to discard it immediately. 2 янв. 2022 г.
What does a sweet potato look like when it goes 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.
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.
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