It is best to eat large walnuts two or three times a week, especially for middle-aged and elderly people and menopausal women, because arginine, oleic acid and antioxidants contained in large walnuts are quite beneficial to protect the cardiovascular system and prevent coronary heart disease, stroke and Alzheimer's disease. Don't eat too much at a time, otherwise it will affect digestion. Some people like to peel off the thin brown skin on the surface of walnut kernel, which will lose some nutrients, so don't peel off this skin.
Modern medical research believes that phospholipids in walnuts have a good health care effect on brain nerves. Walnut oil contains unsaturated fatty acids, which can prevent and treat arteriosclerosis. Walnut kernel contains zinc, manganese, chromium and other indispensable trace elements. The contents of zinc and manganese are decreasing in the process of aging, and chromium can promote glucose utilization, cholesterol metabolism and protect cardiovascular system. The effect of walnut kernel on relieving cough and asthma is also very obvious. Winter has excellent curative effect on patients with chronic bronchitis and asthma. It can be seen that eating large walnuts often can not only strengthen the body, but also resist aging. Some people often take tonics. In fact, it is really good to eat a few big walnuts every morning and evening, which is often better than taking tonic.