Why walnuts can nourish the brain
The content of arginine in walnut protein is particularly high, reaching 174 mg per gram of walnut protein, which is the highest in nut foods and 6 times the protein in milk and fruits. Arginine is a substance that not only has nutrition, but also has a variety of unique physiological and pharmacological effects. One of its important physiological functions is as a raw material for the synthesis of human endogenous nitric oxide, which plays a key role in the physiological and pathological regulation of cardiovascular, nervous, immune and other systems as a biological messenger in the human body, such as maintaining For the normal functioning of the nervous system, we can regard it as a function of nourishing the brain (promoting sleep, improving memory and learning ability, etc.).
The content of polyunsaturated fatty acids in walnuts accounts for 76.2%, which can provide the essential fatty acids needed by the human body; α-linolenic acid (18:3) in polyunsaturated fatty acids reaches 12.2% of the total fat ratio, which is the highest content in dried fruits. . α-linolenic acid belongs to omega-3 fatty acid, which becomes docosahexaenoic acid (DHA) after conversion in the body, also known as brain gold, which is an essential substance for brain nerve cells and retinal cells. Plays an important role in regulating attention and cognitive processes.
