According to modern scientific analysis, walnut kernel contains protein 15.4%, fat 40% ~ 63%, carbohydrate 10%, calcium, phosphorus, iron, zinc, carotene, riboflavin and vitamins A, B, C and E, etc. Delicious and fatty walnut kernel is not only nutritious, but also has its unique curative effect.

I. Prevention of cardiovascular and cerebrovascular diseases

Among the fats in walnut kernel, 7 1% is linoleic acid and 12% is linolenic acid. These unsaturated fatty acids can purify blood, remove impurities from blood vessel wall and consume saturated fat accumulated in the body, so they can effectively prevent cardiovascular and cerebrovascular diseases.

Second, the treatment of gallstones

Cholelithiasis is mainly due to the combination of mucin in food, calcium ion in bile and unbound bilirubin. Pyruvate contained in walnut kernel can prevent mucin from combining with calcium ions and unbound bilirubin, so that it can be dissolved, faded and excreted. Therefore, patients with cholelithiasis may wish to insist on eating walnuts every day, so that it is possible to avoid the pain of surgery. Similarly, walnut kernel can also be used to treat urinary calculi.

Third, anti-aging.

Vitamin E contained in walnut kernel can protect cells from oxidative damage by free radicals, which is recognized as an anti-aging substance in the medical field, so walnut is called "longevity fruit".

Fourth, brain tonic and intelligence enhancement.

Eating walnut kernel can nourish blood vessels, stimulate appetite, blacken beard and grow hair, which is beneficial to the brain and nerves. It is an auxiliary medicine for treating neurasthenia, which can delay memory decline and has the functions of strengthening the brain and increasing intelligence.