1, green beans are poisonous because of their crisp taste. Green beans contain an alkaloid called saponin, which is strongly irritating to the mucosa of the digestive tract and can cause local congestion, swelling and hemorrhagic inflammation of the gastrointestinal tract. As long as the green beans are heated above 100℃ and cooked thoroughly, their toxicity can be destroyed.

2. Mung bean is another name for kidney bean, which is a cultivated variety of leguminous kidney bean and is millet. The north is called plum bean, and Lanxi, Zhejiang is also called plum bean. Also known as kidney beans, lentils, April beans and so on. In Quzhou, Zhejiang Province, it is called Qingming Bean, and in Sichuan and parts of Central China, it is called Green Bean. It is one of the common vegetables on the table.

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