1. If it is a ripe vegetable such as cabbage, boil the water and put it in the pot for about half a minute. If it is a vegetable such as cabbage, it is relatively difficult to cook, and it takes about one to two minutes to cook.

2, but before cooking, be sure to clean the vegetables first. You can soak them in salt water before cooking to remove residual pesticides and hidden bugs. It is best not to cut vegetables with a knife, but to tear them by hand, so as to retain the nutrients of vegetables to the greatest extent.

3. Green vegetables are one of the vegetables with the richest vitamins and minerals. If an adult eats 500 grams of green vegetables every day, it can meet all kinds of nutrients needed by the human body and help the human body enhance its immunity.

4. Moreover, green vegetables also contain a lot of crude fiber, which can combine with fat in human body, prevent the formation of plasma cholesterol, promote the excretion of cholic acid, a cholesterol metabolite, so as to reduce the formation of atherosclerosis and maintain the elasticity of blood vessels. Crude fiber can also promote the peristalsis of the large intestine, increase the excretion of endotoxin in the large intestine, and achieve the purpose of preventing cancer.

5. Not only that, green vegetables are especially good for human skin, which can moisturize the skin and delay aging, because green vegetables contain a lot of carotene and vitamin C. After these nutrients enter the human body, they can promote the cell metabolism of the skin, improve the roughness and pigmentation of the skin, make the skin smooth and delay aging.