The content of arginine in walnut protein is particularly high, reaching protein 174 mg per gram of walnut, which is the highest among nut foods and six times that of protein in milk and fruit. Arginine is a substance with nutrition and many unique physiological and pharmacological effects.

One of its important physiological functions is as a raw material for synthesizing endogenous nitric oxide. As a biological messenger, nitric oxide plays a key role in the physiological and pathological regulation of human cardiovascular, nervous and immune systems, such as maintaining the normal function of nervous system, which can be regarded as a brain tonic (promoting sleep, improving memory and learning ability, etc.). ).

At the same time, walnut also contains α linolenic acid, which can be converted into DHA in the body, and this component is very important for the brain development of infants and young children, and it is also of great significance for the elderly to delay brain aging. Therefore, there is a material basis for the saying that "walnuts make up the brain".

Extended data:

Special effects of walnuts:

1 beauty

If you eat the "walnut porridge" boiled with walnut kernel powder for a long time, it can nourish the skin and make people white and tender, especially suitable for the elderly.

2. 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 "Long live my son" and "longevity fruit".

3. Good for the heart

Walnut contains a variety of unsaturated and monounsaturated fatty acids, which can reduce cholesterol content. Therefore, eating stone walnuts is good for people's hearts.

Step 4 moisten the intestines and relax the bowels

It is difficult to solve constipation caused by intestinal dryness. The product can relieve bitterness, disperse blood stasis, enter liver meridian blood, and has strong effects of promoting blood circulation, regulating menstruation, removing blood stasis and promoting tissue regeneration, and is suitable for patients with severe blood stasis. In addition, it also has the function of moistening intestines and relieving cough.

References:

What is the scientific basis for walnut to strengthen the brain? Mistakes you must know when eating walnuts-People's Daily Online