4 kinds of food will be poisonous if eaten with the skin on

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　　Potato Classic dishes such as beef stew and ground delicacies are frequent guests on people's tables. Many people will boil potatoes with their skins on, thinking that all problems will be solved after the high temperature. Not really. Potatoes contain a substance called "solanine" to resist pests and diseases. The content of solanine in potato skins is relatively high, which can cause poisoning when it accumulates to a certain amount in the body. In particular, potatoes with green skin and sprouts contain higher solanine content. Excessive consumption can cause a series of gastrointestinal reactions such as nausea and vomiting. Therefore, potatoes must be peeled and cooked before eating.

　　sweet potato It is rich in nutrients, but it is an alkaline food. Eating too much will cause "heartburn". The skin of sweet potatoes contains more alkali. If you often eat sweet potatoes with the skin on, it will cause gastrointestinal discomfort. Sweet potato skins with brown and dark brown spots may be infected by "black spot pathogen", which may cause poisoning after eating.

　　water chestnuts Sweet, crisp and refreshing, it is a favorite of many people. However, water chestnut skins may contain parasites such as Fasciolopsis ginger. If you eat water chestnut skins that have not been washed cleanly, it can also cause disease。

　　ginkgo Although it has many benefits, it is slightly toxic and should not be eaten in large quantities. In particular, the peel contains toxic substances such as "white fruit acid". Excessive consumption will damage the central nervous system. nerve system, causing poisoning. Not only do you have to peel off the inner skin when eating, but don’t eat too much even if it’s cooked ginkgo meat.

　　In addition, due to the large amount of chemical fertilizers used now, nitrate pollution of fruits and vegetables will be serious. Therefore, it is recommended that everyone peel and eat as many fruits and vegetables as possible. Especially apples, pears, Grape Fruits and vegetables that take longer to cultivate and taste better often have many microorganisms, pesticides, etc. remaining on their skins. So no need to risk it for a little nutrition healthy risk.

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