It is rich in folic acid, which plays an extremely important role in the fetus. At the same time, green vegetables are also a good source of calcium. These vegetables also contain more trace elements such as vitamin C, carotenoids, iron and selenium, and are the main source of dietary fiber, which can be used to lose weight.

2. Nutritional value of purple vegetables

Rich in anthocyanins, it has a strong antioxidant effect, can prevent cardiovascular and cerebrovascular diseases, and can improve the body's immunity. Purple stands for vegetables: purple cabbage and purple onion. Nutritional value: rich in anthocyanins, it has a strong antioxidant effect, can prevent cardiovascular and cerebrovascular diseases and improve the body's immunity.

3. Nutritional value of yellow and red vegetables

Rich in carotene and vitamin C, among which yellow vegetables are also rich in vitamin A and vitamin D, which can increase appetite, stimulate nervous system excitement, improve night blindness, relieve rough skin and strengthen bones. Red stands for vegetables: pumpkin, carrot, tomato and so on. Nutritional value: rich in carotene and vitamin C, among which yellow vegetables can also stimulate appetite, improve night blindness, relieve rough skin and strengthen bones.

4. Nutritional value of black vegetables

Black vegetables can stimulate human endocrine and hematopoietic system. It is found that auricularia auricula contains an active substance that can inhibit tumors, which is related to reducing the risk of esophageal cancer, intestinal cancer and bone cancer.

5. Nutritional value of white vegetables

Rich in dietary fiber and trace elements such as potassium and magnesium, it has the functions of improving immunity and protecting the heart. It has a certain effect on regulating vision and stabilizing mood, and is beneficial to patients with hypertension and cardiomyopathy. White represents vegetables: white radish, lotus root, garlic, cauliflower and so on. Nutritional value: rich in dietary fiber and trace elements such as potassium and magnesium, it has the functions of improving immunity and protecting the heart.

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