Nuts are rich in nutrition, with high protein content, mostly between 15%-30%, which is close to beans and much higher than grains, and has certain nutritional value for human body. The fat content in nuts is also relatively high, mostly above 40%, while the content in walnuts is as high as 60%. More importantly, most of the fat contained in nuts belongs to polyunsaturated fatty acids, which can reduce the levels of serum total cholesterol, low-density lipoprotein-cholesterol and triacylglycerol, and increase the level of high-density lipoprotein-cholesterol, which is beneficial to the prevention and treatment of hyperlipidemia and coronary heart disease. In addition, nuts are rich in vitamin e.
Therefore, nuts are rich in nutrition and high in calories. It is a healthy food for patients with hypertension, coronary heart disease and hyperlipidemia. But it should be noted that you can't eat too much. Practice has proved that when polyunsaturated fatty acids in diet exceed 10% of total calories, it will have harmful effects.