First, nutritional value Walnut is rich in nutrition and is one of the "four largest" dried fruits in the world. According to the determination, every 100g contains protein14.9g, 58.8g of fat, 7 1% of fat in walnut is linoleic acid, 12% is linolenic acid, 9.6g of carbohydrate, 9.6g of dietary fiber, 30g of carotene and 43.21vitamin. As far as nutritional components are concerned, the nutritional value of walnuts is 8.5 times that of soybeans, 6 times that of peanuts, 12 times that of eggs, 25 times that of milk and 10 times that of meat (1 kg of walnut kernel is equivalent to 5 kg of eggs or 9 kg of milk). Walnut contains a lot of calcium, phosphorus and iron, which can not only moisturize the skin, but also prevent the hair from turning white and falling off prematurely. Second, the health care function of walnuts Walnut kernel is an important auxiliary material of Chinese patent medicine to improve human health, which has the functions of promoting qi and enriching blood, relieving cough and resolving phlegm, moistening lung and tonifying kidney, nourishing skin and so on. According to relevant data, many long-lived vegetarians in history also regard eating walnuts as the main fruit for health and beauty. In recent years, some cancer patients often eat walnuts or by-products of walnut processing, which obviously has a positive effect on controlling the spread of cancer; Modern medicine has also proved that eating walnuts regularly can lower cholesterol in the blood and soften blood vessels. Walnut is a good diet fruit. Walnut contains a lot of fat and protein, which is easily absorbed by human body. Protein contained in it contains lysine, which is extremely important to human body, and is extremely beneficial to the nutrition of cranial nerves. Whether you are healthy or not, eating walnuts regularly can not only strengthen your body, but also drive away the troubles of diseases. Walnut has unique nourishing, nutritional and health care functions. Chinese medicine believes that walnuts have the functions of warming liver, tonifying kidney, strengthening brain, strengthening tendons and bones. Eating walnuts regularly can not only enrich blood, stimulate appetite and blacken hair, but also treat sexual dysfunction, neurasthenia, memory loss, constipation and kidney calculi. 1. Promote blood circulation: Walnut can prevent arteriosclerosis and its complications, hypertension, heart disease, heart failure, renal failure and cerebral hemorrhage. 2. Improve the function of digestive system: Walnut contains a lot of polyunsaturated fatty acids, fat-soluble vitamins such as vitamins A, D, E, F and K and antioxidants, and contains no cholesterol, so the human body's digestion and absorption rate is extremely high. Has the effects of reducing gastric acid and preventing gastritis and duodenal ulcer. It can also stimulate bile secretion, increase pancreatic enzyme activity, degrade oil, and be absorbed by intestinal mucosa, thus reducing the occurrence of cholecystitis and gallstones. 3. Protect the skin: Walnut is rich in squalene and essential fatty acids, which has excellent affinity for the skin and can be absorbed quickly, effectively keeping the skin elastic and moist; Walnut is rich in monounsaturated fatty acids, vitamins E, K, A, D and phenolic antioxidants, which can eliminate facial wrinkles, prevent skin aging, protect hair and prevent chapped hands and feet. It is an edible beauty and skin care product. 4. Improve the function of endocrine system: Walnuts can improve the metabolic function of the body. The latest research results show that the glucose content of healthy people can be reduced by 12% after eating walnuts. 5. Benefits to the skeletal system: Natural antioxidants and omega-3 fatty acids in walnuts help the human body absorb minerals such as calcium, phosphorus and zinc and promote bone growth. In addition, omega-3 fatty acids help to maintain bone density and reduce osteoporosis caused by free radicals (highly active molecules). 6. Anti-cancer effect: Because walnuts are rich in monounsaturated fatty acids and polyunsaturated fatty acids, omega-3 fatty acids in polyunsaturated fatty acids can reduce the amount of linoleic acid extracted from blood by cancer, so that cancer can quit a very needed nutrient. 7. Radiation protection: Walnut food is often used to make astronaut food because it contains polyphenols and lipopolysaccharide and has radiation protection function. People who often use computers think it is a good product for health care and skin care. 8. Anti-aging effect: Among many components of walnut, carotene and chlorophyll give walnut golden color, while chlorophyll plays a metabolic role, promoting cell growth and accelerating wound healing. It also helps to beautify people's appearance and reduce wrinkles. 9. Prevention of cardiovascular and cerebrovascular diseases: Walnuts can protect the cardiovascular system in many ways. Third, the way to eat walnuts can be boiled, fried, honey baked, fried and so on. Except eating raw walnuts. A good way to eat is to make walnut porridge with walnuts, red dates and rice, because walnuts can supplement the "innate foundation" and rice and red dates can supplement the "acquired foundation". This combination has the best health care effect. Fourth, warm tips 1, walnuts contain more fat, and eating too much at a time will affect digestion. 2. Some people like to peel off the thin brown skin on the surface of walnuts, which will lose some nutrients, so don't peel off this thin skin. 3, should be appropriate, long-term, insist on taking: Although the fat contained in walnut kernel is unsaturated fatty acid, which is conducive to removing cholesterol, the fat itself is very high in calories. If you eat too much and can't make full use of it, it will be stored as cholesterol by the human body, and the result is counterproductive. Generally speaking, the daily weight of walnuts should be about 20-40 grams, which is equivalent to about four or five walnuts. At the same time, we should appropriately reduce the intake of other fats to avoid excessive calorie intake. Walnut is very angry and contains a lot of oil. Eating too much will make people angry and disgusting. People who get angry and have diarrhea should not eat it.