Walnut calories: 654 calories/100g.

Walnuts are rich in nutrient value, have "long live son", "longevity fruit", "the treasure of health" reputation. The walnuts are rich in nutritional value. 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, per 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.

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When buying walnuts, look at the color of their appearance. Quality walnuts have a light yellow appearance. If the walnuts are too clean or too white in appearance, then it means that these walnuts have been smoked with sulfur and it is not recommended to buy them.

Walnuts with a black surface should not be bought. Because the surface of walnuts is black, it means that the walnuts have been put for a long time, and the oil inside it has been rancid, so the surface of walnuts will appear black. Secondly, the more speckles on the surface of walnuts, the more nutrients the walnuts have absorbed. This kind of walnut is a high-quality walnut.

When buying walnuts, smell the odor of walnuts. If the walnuts smell like wood, then these walnuts are high quality walnuts. If the walnuts smell like a pungent odor, then it means that these walnuts have been soaked in bleaching powder or the walnuts have deteriorated. If you come across such walnuts, don't buy them.

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