The shell of the dried walnut smells of smoke and is smoked when it is not ripe, or the color of the walnut itself is not good, so the merchant smokes it with sulfur. It shows that walnuts are dried rather than air-dried. When choosing walnuts, you should pay attention to whether the appearance is good. Some merchants will smoke walnuts with sulfur and cannot eat them.

Extended data

1. 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.

2. Walnut is sweet, flat and warm, non-toxic, slightly bitter and astringent, sweet and warm, and enters the kidney, lung and large intestine. It can tonify kidney, strengthen waist, warm lung, relieve asthma, moisten intestine and relieve constipation. Indications: cough, asthma and lumbago due to kidney deficiency; (wood sandwich in the core) tastes bitter and warm; Tonifying kidney and astringing essence.

3, blood stasis: used for blood stasis amenorrhea, blood stasis abdominal pain, blood storage madness, traumatic injury and other symptoms.

4, moistening the intestines: the stool used for intestinal dryness and constipation is difficult to solve. This product can relieve bitterness, disperse blood stasis, enter the liver meridian and divide blood, and has strong effects of promoting blood circulation, regulating menstruation, removing blood stasis and promoting tissue regeneration, and is suitable for patients with severe blood stasis. In addition, it also has the function of moistening intestines and relieving cough.

5. Walnut kernel contains more protein and unsaturated fatty acids necessary for human nutrition. These components are important substances in brain tissue cell metabolism, which can nourish brain cells and enhance brain function.

6. Walnut kernel can prevent arteriosclerosis and lower cholesterol; In addition, walnuts can also be used to treat non-insulin-dependent diabetes; Walnuts can also relieve pain, increase white blood cells and protect the liver of cancer patients.

7. Walnut kernel contains a lot of vitamin E. Regular consumption can moisturize and blacken hair, making skin moist, smooth and elastic.

6. Chewing some walnuts when you feel tired can relieve fatigue and stress.

reference data

Baidu Encyclopedia-Walnut (Juglandaceae)