Purple sweet potato is not known to have any significant side effects when consumed as part of a healthy diet. The safety of its anthocyanin extract has not been established. Additionally, since sweet potato is rich in provitamin A, large amounts may result in orange tinting of the skin and body fluids [34]. 9 сент. 2021 г.
Is it safe to eat purple sweet potatoes?
We've already established that the pigment in purple sweet potatoes comes from an antioxidant. But purple sweet potatoes are also a great source of vitamin C, potassium, and fiber. And like regular sweet potatoes, they have a low glycemic index, making them a good option for a diabetic diet.
Can purple potatoes be toxic?
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.
Are purple sweet potatoes healthier than regular sweet potatoes?
Purple sweet potatoes are healthier due to their highest overall level of phenolics, antioxidants and soluble dietary fiber. Purple sweet potatoes have a higher level of anthocyanin antioxidants than orange or white flesh sweet potatoes.
How can you tell if a purple sweet potato is bad?
Once sweet potatoes turn mushy, you can be sure that they have gone bad. Usually, their ends become soft before turning brown or black. As soon as these parts spoil, the flavor of the whole tubers will be affected. In some cases, you can see wrinkles on the surface.
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