Wang Shixiong, a dietotherapy expert in Qing Dynasty, recorded in his book Diet Spectrum and Taste: "Spinach is suitable for patients with hemorrhoids." Spinach can clean up the heat poison in the human stomach. In winter, the climate is dry, and it is easy to constipation and hemorrhoids. At this time, moderate intake of spinach has the effect of preventing constipation. An experimental measuring cup of spinach contains more vitamin K and lutein than the dietary reference intake, and is also rich in vitamin A, manganese, folic acid, magnesium, calcium, iron, flavonoids and carotenoids. Among them, vitamin K is an essential nutrient to maintain bone health, which needs to be ingested through diet, and mostly exists in dark green vegetables such as kale, cauliflower and spinach. Lutein in spinach has protective effect on macular in retina. Lutein mainly has antioxidant and photoprotective effects on eyes. If it is lacking, it is easy to cause macular degeneration, blurred vision, degeneration and other symptoms. Only spinach has a high oxalic acid content, so it is not suitable for patients with nephritis and kidney calculi, and should not be eaten too much at a time.

2. radish tassels

Radish tassel is the leaf of radish, which is high in dietary fiber and has the function of invigorating stomach and helping digestion. It contains much more vitamin K than other foods. Vitamin K can resist urate crystallization and effectively prevent bone thickening. If you eat 2/3 cups of radish tassels every day, the contents of vitamin K and lutein will reach the recommended intake proposed by the American Academy of Sciences. Vitamin C is an antioxidant, which can scavenge free radicals in the body, inhibit melanin synthesis, delay aging, enhance skin elasticity, make skin white and delicate, and prevent pigmentation. Vitamin C in radish tassels reaches more than 75% of the recommended intake. Therefore, in winter, when moist skin feels dry and loses elasticity, you can eat more radish tassels to beautify. In addition, the calcium content of radish tassel ranks first among all vegetables, which is very suitable for people with calcium deficiency.

3. Lettuce; lettuce

Lettuce is called "anti-cancer food" in Japan. It is rich in protein, vitamin C, iron, phosphorus, calcium, carotene, chlorophyll and so on. The study also found that there is an important lettuce picrin in lettuce, which can decompose carcinogens such as nitrite in food, prevent the formation of cancer cells, have a certain preventive and therapeutic effect on liver cancer and gastric cancer, and also slow down the uncomfortable reaction of cancer patients in radiotherapy or chemotherapy. 1.5 cups of cooked lettuce contain vitamin A which has reached the dietary reference intake. Contain? -Carotene or vitamin A, which has antioxidant function, helps to keep teeth, bones and skin healthy, and can also prevent ultraviolet radiation or floaters. In addition, lettuce is rich in fiber, low in sugar and calories, which contributes to metabolism and promotes gastrointestinal peristalsis, and is very suitable for patients with weight loss, anemia and diabetes.

4. Pumpkin

What is the pumpkin skin rich in? -Carotene, vitamin B2, vitamin C, vitamin K and cellulose, so it has a certain nursing effect on skin inflammation that often occurs in autumn and winter, and can also prevent freckles and body wrinkles. Generally speaking, most modern people don't get enough fruits and vegetables. Nutritionists suggest that brown rice and whole grains can be used instead of white rice, or some rice flour staple foods can be replaced by fiber-rich rhizomes such as sweet potatoes and pumpkins. Pumpkin also has anti-cancer and anti-virus effects. The pectin contained in it can delay the absorption of sugar and lipid in the intestine, remove heavy metals and pesticides in the body, eliminate the mutation of carcinogenic substance ammonium nitrite, help patients with impaired liver and kidney function improve their cell regeneration ability, and effectively prevent liver and kidney diseases such as hypertension, gallstones and diabetes.

5.mustard

Mustard is a cruciferous plant, also known as "cutting vegetables" and "perennial vegetables". Mustard is rich in lutein and vitamin K, and also rich in vitamins A, B, C, D, carotene and dietary fiber, which helps to prevent colds, enhance resistance and promote metabolism. Mustard is regarded as an "anticancer vegetable" because its rich dietary fiber can promote gastrointestinal peristalsis, eliminate constipation and reduce the incidence of colorectal cancer. What does it contain? -Carotene and lutein have the effects of improving eyesight and antioxidation, so they are suitable as dietotherapy ingredients for ophthalmic patients.