Why can't you eat sweet potato skin?
38 years old
2018-07-02
I remember digging the roots of sweet potatoes in the ground when I was young and washing them, but watching TV recently said that the sweet potato skins should not be eaten. Why?
1 Answer These messages are for reference only
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BY Mamie Doris 2018-07-02Sweet potatoes grow in the ground for a long time, and the skin is in direct contact with the soil, and many harmful substances are adsorbed in the sweet potato skin. And sweet potato skin contains more alkali, too much consumption will cause gastrointestinal discomfort. In addition, some street vendors who sell roasted sweet potatoes choose coke as a fuel to save costs. The harmful substances such as sulfur dioxide generated can easily accumulate in the skin of sweet potatoes, so eating roasted sweet potatoes with skin may cause cancer.9
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