1. Walnut, also known as walnut and peach, belongs to Juglandaceae. Together with almonds, cashews and hazelnuts, it is known as the world-famous "four dried fruits". Walnut kernel is rich in nutrition, with more fat and carbohydrate per 100g protein 15 ~ 20g. It also contains calcium, phosphorus, iron and other trace elements and minerals, as well as carotene, riboflavin and other vitamins. It's good for the human body. It is one of the nut foods deeply loved by ordinary people.

2. Although the fat contained in walnut kernel is unsaturated fatty acid, it is beneficial to remove cholesterol, but the fat itself is high in calories. If you eat too much and can't make full use of it, it will be stored as cholesterol by the human body, and the result is counterproductive. Generally speaking, the daily weight of walnuts should be about 40 grams, which is equivalent to about four or five walnuts. At the same time, we should appropriately reduce the intake of other fats to avoid excessive calorie intake. A good way to eat is to make walnut porridge with walnuts, red dates and rice, because walnuts can supplement the "innate foundation" and rice and red dates can supplement the "acquired foundation". This combination has the best health care effect.

3. Walnut is one of the heart-strengthening foods recommended by Dr. Morrison, a contemporary natural therapist. According to the determination, every 100g of walnut contains 20-64g of fat, 7 1% of the fat in walnut is linoleic acid, 12% is linolenic acid, protein is 15-20g, and protein is also a high-quality protein. The fat and protein in walnuts are the best nutrients for the brain. Sugar is 10g, and contains calcium, phosphorus, iron, carotene, riboflavin (vitamin B2), vitamin B6, vitamin E, juglone, phospholipid, tannin and other nutrients.

Extended data:

Walnut is rich in nutritional value, and has the reputation of "Long live the son", "longevity fruit" and "treasure of health preservation". 86% of the fat in walnuts is unsaturated fatty acid. Walnut is rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B 1, and also contains fiber, phosphorus, nicotinic acid, iron, vitamin B2 and pantothenic acid. Every 50g walnut contains 3.6% water, 7.2g protein, 3 1g fat and 9.2g carbohydrate.

Walnut contains 22. 18% crude protein, of which glutamic acid is the main soluble protein, followed by arginine and walnut aspartic acid. The crude fat content is 64.23%, of which the neutral fat content is 93.05%. Among neutral lipids, triacylglycerol accounts for 82.05%, sterol lipid accounts for 3.86% and free fatty acid accounts for 4.80%. The fatty acids in total fat and neutral fat are mainly sulfinic acid 64.48%-69.95%, oleic acid 13.89%- 15.36%. The fatty acid in triacylglycerol is mainly linolenic acid 69.98; The unsaponifiable part of sterol ester is mainly β-sitosterol, and a small amount of rapeseed sterol, stigmasterol, oat sterol -5- enol and stigmasterol -7- dilute alcohol; Sugar13%; A variety of free essential amino acids; Isoleucine, leucine, tryptophan, phenylalanine, valine, threonine and lysine. Its content accounts for 47.50% of the total amino acids.

References:

Baidu encyclopedia-walnut