Walnut has extremely high nutritional value, contains a variety of vitamins and inorganic salts, especially protein and fat, which are far more than other fruits. It is a popular nourishing product. The most prominent nutritional characteristics of walnut are: It contains 40-50% fat, unsaturated fatty acids such as linoleic acid and linolenic acid, sugar 10% and more vitamin A, vitamin E, vitamin C and inorganic salts such as phosphorus, magnesium and iron. Eating one or two walnuts a day will have obvious health care and treatment effects.

Chinese medicine believes that walnut has high medicinal value, which can tonify lung and kidney, relieve asthma, eliminate phlegm, moisten intestines and astringent essence. It is suitable for treating spleen and kidney deficiency, cough and asthma, chronic tracheitis, nephritis, tuberculosis, tinnitus, impotence, nocturnal emission, constipation, headache, insomnia, amnesia and neurasthenia.

From the point of view of modern nutrition, because walnuts contain a lot of unsaturated fatty acids and other nutrients, eating walnuts often is very beneficial to improve brain function, reduce blood cholesterol and prevent arteriosclerosis. Walnuts are rich in phospholipids, which can promote hair growth and make skin delicate and smooth. Because they contain trace elements such as zinc, manganese and chromium, they also have the effect of resisting body aging.

Of course, nothing good can be eaten in excess, and the digestive system can't stand it. Walnuts are no exception, so you can't eat walnuts.