KaoGongShu shoulds not be even a skin to eat

Reader: a cold the weather is like, his work with on the streets to buy roasted sweat potapoes sometimes cook sweet potato skin is also very sweet, so I even don't eat the skin, the skin can have excuse me?

Expert: preferably not even eat, because of the sweet potato skin contains many alkaloids, eating too much can cause gastrointestinal discomfort. Especially sweet potato with a black patch on the skin cannot eat more, can cause poisoning.

In addition, there are several kinds of leather is not recommended for seasonal vegetables, one is the potato skins, it doesn't contain beneficial to human body health of glycoside alkaloid, after entering the human body can form cumulative poisoning, and temporarily no symptoms. Second, water chestnut, because water chestnut growth in water environment, its skin brought together a variety of harmful biological waste and chemicals, whether raw or cooked to peel them. In addition, many people eat in when ripe persimmon pulp and peel, but ripe persimmon skin together more tannic acid, unfavorable also eat.