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, and 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. 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 50-64g 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.
Walnut fruit is called "Hercules food", "nutritious nut" and "educational fruit" abroad. Enjoy the reputation of "Long live the children", "longevity fruit" and "treasure of health care" in China. Its outstanding brain-nourishing effect and rich nutritional value are praised by more and more people.
Today, walnuts are distributed all over China. For a long time, the working people in China have carefully cultivated many new varieties of high-quality walnuts by using the common and wild walnut resources in China. If classified by origin, there are Chencang walnut and Yangping walnut; According to maturity classification, there are summer walnuts and autumn walnuts; According to the smoothness of the shell, there are light walnuts and hemp walnuts; According to the thickness of the shell, there are thin-shell walnuts and thick-shell walnuts. There are many excellent varieties of walnuts in China, such as "Shimen Walnut" in Hebei, which is characterized by fine grains, thin skin and sweet taste. The kernel yield is about 50% and the oil yield is as high as 75%, so it has the reputation of "Shimen Walnut is the treasure of the world".
The paper walnut in Kuqa, Xinjiang, is called "Kekeyi" by Uighurs, which means the shell is thin and the oil content reaches 75%. This variety bears fruit quickly, and the masses describe it as "one-year-old, two-year-old and three-year-old walnuts hanging in baskets". Walnuts in Fenyang, Xiaoyi and other places in Shanxi are famous for their thin skin, full kernel and tender meat. The walnut skin in Qinling area of Shaanxi Province is as thin as an egg shell, commonly known as "egg-skinned walnut". The best variety is "Mian Walnut", with thin skin and thick flesh. Hold two walnuts in your hand, and with a little force, the walnut skin will break. In addition, the small walnuts produced in Hangzhou are also very popular with southerners.
The American Dietetic Association advises people to eat walnuts two or three times a week, especially middle-aged and elderly people and menopausal women, because the arginine, oleic acid and antioxidants contained in walnuts are quite beneficial to protect the cardiovascular system and prevent coronary heart disease, stroke and Alzheimer's disease. Don't eat too much at a time, otherwise it will affect digestion. Some people like to peel off the thin brown skin on the surface of walnut kernel, which will lose some nutrients, so don't peel off this skin.
Modern medical research believes that phospholipids in walnuts have a good health care effect on brain nerves. Walnut oil contains unsaturated fatty acids, which can prevent and treat arteriosclerosis. Walnut kernel contains zinc, manganese, chromium and other indispensable trace elements. The contents of zinc and manganese are decreasing in the process of aging, and chromium can promote glucose utilization, cholesterol metabolism and protect cardiovascular system. The effect of walnut kernel on relieving cough and asthma is also very obvious. Winter has excellent curative effect on patients with chronic bronchitis and asthma. It can be seen that eating walnuts regularly can not only strengthen the body, but also resist aging. Some people often take tonics. In fact, it is really good to eat a few walnuts every morning and evening, which is often better than taking tonic. Walnut kernel has the effects of nourishing liver and kidney, strengthening tendons and bones, and can be used to treat symptoms such as soreness of waist and legs, soreness of bones and muscles and loose teeth caused by liver and kidney deficiency.