The calorie of walnut (100g) is about 2623kJ. Can be used for tonifying kidney, strengthening waist, warming lung, relieving asthma, moistening intestine and relaxing bowels. Be careful that eating too much will cause diarrhea. People with phlegm-fire asthma and cough, hyperactive fire due to yin deficiency, and diarrhea due to loose stool are not suitable for eating.
Walnut is rich in nutritional value, and has the reputation of "Long live the son", "longevity fruit" and "treasure of health preservation". 86% of the fat in walnuts is unsaturated fatty acid. Walnut is rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B 1, and also contains fiber, phosphorus, nicotinic acid, iron, vitamin B2 and pantothenic acid. Every 50g walnut contains 3.6% water, 7.2g protein, 3 1g fat and 9.2g carbohydrate.
Walnuts are rich in omega-3 fatty acids, which can reduce the risk of depression, attention deficit hyperactivity disorder (ADHD), cancer and Alzheimer's disease. Walnuts can reduce the risk of breast cancer. Eating 2 ounces of walnuts every day is about 60g, and the risk of breast cancer and tumor is small. Walnuts can reduce the risk of diabetes, and women who insist on eating nuts five times a week reduce the risk of type 2 diabetes by nearly 30%. Unsaturated fat in nuts is beneficial to insulin decomposition.
Walnut can reduce stress, walnut oil in walnut can reduce blood static pressure, and the change of eating habits can better help our body cope with external pressure. Walnuts have dark hair, and eating walnuts in autumn and winter is the best season. Eating walnuts for several months in a row can make you black. The dosage is 4-5 tablets per day. Don't eat too much a day, but keep eating every day.
Extended data
Walnut is a very nutritious fruit, which can be counted as a kind of fruit. It can protect the heart function, so it is loved by many elderly people. In fact, walnuts have many benefits, not only for the elderly, but also for young and middle-aged people. Sweet in performance and warm in nature. Entering the three meridians of lung, liver and kidney can tonify kidney and help yang, replenish lung and astringe lung, moisten intestine and relieve constipation. Reference is rich in fatty oil, protein, calcium, phosphorus, iron, carotene, vitamin B 1, B2, sugar, nicotinic acid and other ingredients.
Walnuts can't be eaten with pheasants and ducks. Walnuts contain more fat, so eating more will affect digestion, and it is not advisable to eat too much at one time. In addition, in order to preserve nutrition, it is not advisable to peel off the thin brown skin on the surface of walnut kernel when eating. Eating too much will cause diarrhea. People with phlegm-fire asthma and cough, hyperactive fire due to yin deficiency, and diarrhea due to loose stool are not suitable for eating.
According to Ma Su's "Kaibao Materia Medica" in Song Dynasty, "Eating walnuts makes people hemoptysis". It may be because walnuts are hot, eating too much produces phlegm fire, and white wine is also sweet and spicy, so eating together is easy to cause blood heat. Especially people with chronic hemoptysis should avoid eating. For example, patients with bronchiectasis and tuberculosis will have hemoptysis if they drink white wine, but they will also get sick if they don't eat it with walnuts.
Baidu Encyclopedia-Walnut (Juglandaceae)