Food is an edible substance that provides various nutrients for human growth and healthy survival. In other words, the most important function of food is nutrition. In fact, Chinese medicine has long recognized that food can not only nourish, but also cure diseases. For example, Zhang Xichun, a modern physician, once pointed out in The Enthusiasm of Western Medicine that food "can cure diseases and satisfy hunger; It can not only satisfy hunger, but also be palatable and treat symptoms. The disease is gradually recovering, that is, it is not symptomatic and there is no other disease. " Lotus root has many dietotherapy functions. According to modern scientific analysis, lotus root contains a lot of iron, which has the function of enriching blood. Lotus root tablets are rich in vitamin C, antioxidants, polysaccharides and polyphenols, which can achieve anti-cancer effect. In traditional Chinese medicine, raw and cooked lotus roots have different functions. Raw lotus root is sweet and cool, which can clear away heat and cool blood. After cooking, the taste is warm and flat, which helps to strengthen the spleen and stomach. The compendium of materia medica is called "Linggen".

Raw lotus root can clear away heat, stop bleeding and dissipate blood stasis, and is suitable for people who are often thirsty and angry. Raw lotus root has the effect of clearing lung-heat and stopping bleeding, and is often used for the early treatment of tuberculosis. And for people who often have nosebleeds, it also has the effect of stopping bleeding. For emotional instability, anxiety, insomnia or tension, raw lotus root juice also has a calming effect. However, raw lotus root has a similar vasoconstrictive effect. If there are women with dysmenorrhea, menstrual disorder or cold hands and feet, it is not recommended to eat it often. You need to wait until the lochia is discharged after delivery. Cooked lotus root has the effect of strengthening the spleen and stomach, which is very suitable for the elderly and children to nourish.

Reminder: Lotus root belongs to starch, and diabetics should not eat more. Lotus root contains high fiber, which will promote intestinal peristalsis. People with ulcers, flatulence and irritable bowel are advised not to eat too much. Oats contain water-soluble fiber β-polyglucose, which can increase cholesterol metabolism and is very suitable for people with hyperlipidemia. Oat bran is rich in vitamin B, which is helpful for fetal development and can be eaten by pregnant women. Vitamin e in oats can increase memory; Folic acid, minerals and iron can fight cancer, prevent anemia and help wounds heal. Oats are high in fiber content, easy to feel full, helpful for defecation, not only delaying the rise of blood sugar and reducing fat accumulation, but also having lower calories than rice and noodles, so they are very suitable as slimming foods.

Reminder: Oats are high-fiber foods, and people with flatulence and gluten allergy are not suitable for eating. Walnut, also known as walnut and peach, together with almond, cashew nut and hazelnut, is known as the world-famous "four dried fruits". It can be eaten raw or fried, and can also be used to extract oil and make cakes and sweets. It not only tastes delicious, but also has high nutritional value. Walnut is called "Hercules food", "nutritious nut" and "educational fruit" abroad. Enjoy the reputation of "Long live the children", "longevity fruit" and "treasure of health care" in China. Its outstanding brain-strengthening and health-preserving effects and rich nutritional value have been highly praised by more and more people.

Modern research has found that walnuts are very rich in nutrients, especially unsaturated fatty acids. Therefore, eating walnuts often can provide enough unsaturated fatty acids with smaller molecules such as linoleic acid and linolenic acid for the brain, eliminate impurities in blood vessels and improve brain function. In addition, walnuts contain a lot of vitamins, which have a good effect on treating neurasthenia, insomnia, relaxing the mental state of the brain and eliminating brain fatigue. The real reason why walnuts are beneficial to the brain is that walnuts are rich in phospholipids, which can activate the brain nerves through transformation in the body, thus keeping the human body full of energy and good memory. Vegetable protein drinks made of walnuts, such as six walnuts and walnut peanut butter, are rich in glycerides of linoleic acid, linolenic acid and oleic acid, which are especially suitable for the elderly and save the process of shelling.