Big walnuts are better to eat raw than cooked, because walnuts eaten raw have the least loss of nutrients, heating (temperature higher than 70 degrees) will destroy the nutrients in it, especially the polyvalent unsaturated fatty acids and phospholipids in walnuts, and the phospholipid composition of walnuts kernel can increase the activity of the cells, to maintain the function of the brain and nerve, to enhance the skin's delicate sense, and to promote the growth of hair and so on all have an important role. And it contains polyvalent unsaturated fatty acids can reduce cholesterol, which is good for preventing arteriosclerosis and hypertension. In addition, walnut kernels contain calcium, magnesium, carotene and a variety of vitamins can reduce histamine-induced bronchial smooth muscle spasm, have the effect of antitussive and asthma, habitual constipation also has a certain role.

Walnuts are usually eaten raw or shelled walnuts fried walnuts, compared to the former more nutritional value. This is because the unsaturated fatty acids and phospholipids, which play a major role in walnuts, are damaged to a certain extent when heated, and these nutrients play a very important role in brain development and increasing brain vitality. However, in some cases, walnuts cooked or other foods with other foods, will have a good effect on certain diseases.

But even though they are nutritious, it's best not to eat too many a day. It's better to eat 3 to 5 a day. Be careful not to buy peach kernels that have broken shells (buy the ones with shells), because walnut kernels exposed to air are prone to oxidation, so that the fatty acids contained oxidized and deteriorated, which will be hazardous to health. And when selecting, it is generally better to choose walnuts with a dark yellow color of the shell. Those walnuts that look whiter, bigger and prettier are mostly processed. It is recommended that you eat some raw walnuts that have not been processed, so that the nutrition is better preserved.

Benefits of eating walnuts

1, to protect the brain

Walnuts contain phospholipids and phospholipids, both of which are in the human brain is to bear the important function of transferring information. There are enough phospholipids in the brain, which is conducive to intellectual development. Therefore, eating walnuts can help us protect our brain.

2, lower cholesterol

Walnuts are rich in unsaturated fatty acids, its saturated fatty acid content is relatively micro, so control the concentration of lipids in the human blood so eat walnuts help control cholesterol, lower cholesterol, can help us prevent hypertension, atherosclerosis, coronary heart disease, cerebral thrombosis and stroke and other diseases.

3, nourish the five organs, moisturize the skin and hair

Eat more walnuts, conducive to the intake of fats and oils, is conducive to nourishing the five internal organs, strengthen the kidneys and spleen, but also moisturize the skin to help skin antioxidant and anti-aging, and supplement the hair nutrients to improve the hair, to keep the hair black and bright.

Expanded Information:

Large walnuts are also known as walnuts, and in the international market it is with lentils, cashews, Hazelnut together, and listed as the world's four major dry fruits. Its footprint almost all over the world, mainly distributed in the Americas, Europe and many parts of Asia. Its production in addition to the United States, that is, push China. Walnuts in foreign countries, known as "Hercules food", "nutritious nuts", "Puzzle fruit"; in the country enjoys the "Hurray! ", "longevity fruit", "the treasure of raising people". Its outstanding brain effect and rich nutritional value, has been respected by more and more people.

The edible part of the walnut is its kernel, that is, walnut kernel, also known as walnut meat, walnut kernel nutritive value is relatively high, there is a "longevity fruit". Walnut kernel contains 50% to 70% fat, its fatty acids are mainly unsaturated fatty acids such as linoleic acid; 15% protein, 10% carbohydrate, but also rich in calcium, phosphorus, iron and vitamin A, vitamin B2, vitamin E and so on.

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