Their color is a practical concern: millennia ago, their ancestors grew on high Andean mountainsides with direct exposure to sunlight -- and as we'll discuss later, sunlight causes higher levels of toxic solanine in potatoes. The dark skin and flesh of purple and blue potatoes acts as a natural shade from the sun. 11 янв. 2013 г.
How can you tell if purple potatoes are bad?
Some signs that uncooked potatoes have spoiled include dark spots on the skin, a soft or mushy texture, and foul odor. Cooked potatoes may have mold but can also spoil without any noticeable signs.
Is it safe to eat potatoes with purple?
All potatoes, including purple potatoes, are quite nutritious and provide a range of nutrients in both their skin and flesh. They're especially rich in minerals and boast more potassium than a banana.
Do purple potatoes produce solanine?
And yes, the sprouts contain solanine, but as they are not eaten and sprouting does not significantly raise the solanine content, sprouting per se is not critical.
Which potatoes are toxic?
You're better off tossing potatoes that have turned green or grown sprouts. Eating them puts you at risk for potential toxicity from solanine and chaconine, two natural toxins found in green or sprouted potatoes.
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