Walnut, also known as walnut, is a walnut plant. Walnut kernel is rich in nutrition, containing protein15-20g, fat 60-70g and carbohydrate 10g per 100g. It also contains calcium, phosphorus, iron and other trace elements and minerals, as well as carotene, riboflavin and other vitamins. The main component of fat in walnut is linoleic acid glyceride, which will not only increase cholesterol after eating, but also reduce the absorption of cholesterol in intestine. Therefore, it can be used as a tonic for patients with hypertension and arteriosclerosis. In addition, these oils can also supply the needs of brain matrix. Trace elements zinc and manganese contained in walnuts are important components of pituitary gland. Regular consumption is beneficial to the nutritional supplement of the brain and has the function of strengthening the brain and improving intelligence.
The ancients in China have long discovered that walnuts have the function of strengthening the brain and improving intelligence. Li Shizhen said: Walnuts can "tonify kidney and brain, and benefit wisdom". Many ancient people also invented many ways to eat walnuts, such as breaking 500 grams of walnuts, shelling and taking kernels, mashing walnuts with rock sugar, keeping them in a sealed porcelain jar, eating two teaspoons at a time and taking them with boiling water. It is said that a layer of white liquid floats after washing with water, which is the "walnut milk" with the strongest brain tonic effect.
Walnut is not only the best brain food, but also a therapeutic agent for neurasthenia. The elderly have dizziness, insomnia, palpitation, forgetfulness, loss of appetite, weakness of waist and knees, general weakness, etc. Eating 1 ~ 2 walnuts every morning and evening can play a nourishing and therapeutic role.
Walnut kernel also has a high medical effect on other diseases, such as invigorating qi and nourishing blood, moistening dryness and resolving phlegm, warming lungs and moistening intestines, reducing swelling and disinfecting. Scientific research in recent years has also proved that walnut branches can improve the symptoms of tumors. Boiling fresh walnut branches and eggs before eating eggs can prevent cervical cancer and various cancers.
Nutritional value:
The nutritional loss of raw walnuts is the least, and the fresh walnuts that have not been dried in harvest season are more delicious. At present, eating fresh walnuts is very common in developed countries. Related science and technology development centers are overcoming the processing and preservation technology of fresh walnuts. I believe that in the near future, consumers all over the country can eat nutritious and delicious fresh walnuts anytime and anywhere. Regarding the consumption of walnut kernels, it is generally believed that it is appropriate to eat 5 ~ 6 walnuts a day, about 20 ~ 30 grams of walnut kernels; Eating too much will lead to more nausea in phlegm. In addition, those who suffer from yin deficiency and excessive fire, loose stool, vomiting blood and nosebleeds should eat less walnuts or fast.
Scientists found that each100g of walnut kernel contains 20.97 units of antioxidant substances, which is 20 times higher than that of citrus. The antioxidant content of spinach is 0.98 unit, carrot is 0.04 unit and tomato is 0.3 1 unit.
Scientists believe that people can protect themselves from many diseases by absorbing antioxidants from walnuts. So far, people have known that eating walnuts regularly can reduce the cholesterol content in blood and reduce the possibility of cardiovascular disease.
1. Walnut is rich in nutrition, protein, fat, minerals and vitamins. Every 100g contains protein 15.4g, fat 63g, carbohydrate 10.7g, calcium 108mg, phosphorus 329mg, iron 3.2mg, thiamine 0.32mg and riboflavin 0.1kloc. Fat is rich in linoleic acid and has high nutritional value. In addition, it is also rich in vitamins B and E.
2. Walnut is rich in vitamins B and E, which can prevent cell aging, strengthen brain, enhance memory and delay aging. Walnut also contains special vitamins, which will not only increase cholesterol, but also reduce the absorption of cholesterol in the intestine. It is suitable for people with arteriosclerosis, hypertension and coronary heart disease.
3. Walnut kernel contains linseed oleic acid, calcium, phosphorus and iron, which is an ideal skin care agent for human body. Regular consumption can moisturize and blacken hair, and prevent premature whitening and shedding of hair.
4. Walnut kernel also contains a variety of trace elements needed by human body, which is an important auxiliary material of Chinese patent medicine, and has the functions of nourishing qi and blood, relieving cough and resolving phlegm, moistening lung and tonifying kidney. When you feel tired, chew some walnuts to relieve fatigue and stress.