Walnut coat is also called distraction wood, is the walnut kernel used to play a role in isolation of the wood of the diaphragm, this kind of thing, seemingly useless, but in traditional Chinese medicine is a very good Chinese medicine. It can play a solid kidney astringent role, if men have spermatorrhea, scalp diarrhea, blood in the urine and other conditions, women have leucorrhoea, gonorrhea and other symptoms, you can use the walnut clothes to decoction to take, often eat, can play a role in prolonging life.

Walnut, also known as walnut, qiangtao, for walnut plants. With walnuts, cashews, hazelnuts and known as the world's famous "four big dry fruit". Walnut kernel is rich in nutrients, per 100 grams of protein 15-20 grams, more fat, carbohydrates 10 grams; and contains essential calcium, phosphorus, iron and other trace elements and minerals, as well as carotene, riboflavin and other vitamins. Beneficial to the human body. It is one of the nut foods loved by the people.

Walnuts are rich in nutritional value, there are "long live", "longevity fruit", "the treasure of health," the reputation. Walnuts in 86% of the fat is unsaturated fatty acids, walnuts are rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B1, also contains fiber, phosphorus, niacin, iron, vitamin B2 and pantothenic acid. Every 50 grams of walnuts, water accounted for 3.6%, another 7.2 grams of protein, 31 grams of fat and 9.2 grams of carbohydrates.

Walnut kernel contains 22.18% crude protein, of which the composition of soluble protein is dominated by glutamic acid, followed by arginine and walnut aspartic acid. Crude lipids 64.23%, of which 93.05% neutral lipids; neutral lipids in triacylglycerol 82.05%, sterol lipids 3.86%, free fatty acids 4.80%. Total lipids and neutral lipids in the fatty acid composition is mainly linolenic acid 64.48%-69.95% and oleic acid 13.89%-15.36%;

Triacylglycerol contains fatty acids are mainly linolenic acid 69.98; Sterol esters non-saponifiable part of the main β-sitosterol, and a small amount of canola stanols, stigmasterol, oat sterol-5-enol, soybean sterols -7-diluted alcohol; 13% of the sugar; A variety of free essential amino acids; isoleucine, leucine, tryptophan, phenylalanine, valine, threonine and lysine, etc., the content of which is 47.50% of the total amino acids.