[Variety Source]

This product is the core of the mature fruit of walnut kernel, a deciduous tree of the walnut kernel family. It is cultivated all over China, especially in Hebei, Shanxi, Shandong and other places. Harvest the fruits when they are ripe in autumn, remove the fleshy peel and dry them in the sun. Remove the shells and use the kernels.

[Property]

sweet, warm. act on lung, kidney and large intestine channels.

[Efficacy]

Replenishes the kidneys and strengthens the waist, warms the lungs and relieves asthma, moistening intestines to relieve constipation.

[Indications]

1. It is used for asthma and cough due to deficiency of lung and kidney. Walnut kernel can warm and tonify the lungs and kidneys, and the meat can moisturize the skin and astringent. It can also moisturize and tighten the lungs, so it can improve qi reception and relieving dyspnea. It is often used with Ginseng and Fresh Ginger Rhizome to treat deficiency, cold, asthma and cough due to lung-kidney qi deficiency, such as Jisheng Fang Ginseng and Walnut Decoction.
2. It is used for waist and knee pain due to insufficient kidney yang and frequent urination due to seminal emission. Walnut kernel can nourish the kidneys and warm the yang, strengthen the waist and knees, and is often used with Eucommia Bark and Psoralea, such as Young Maid Pill.
3. Used for constipation of intestinal dryness. Walnut kernel is rich in fat, which can moisturize and smooth the intestines. It is often used synonymously with Hemp Seed, Chinese Angelica, and Desertliving Cistanche. The constipation of deficiency type is used to treat constipation of intestinal dryness.
4. In addition, it is still used in ancient times for urolithic stranguria. It is used in modern times to treat urinary tract stones and has the ability to expel stones. Hu Peach Kernel can also resist aging and nourish the brain. People with neurasthenia should eat 1 to 2 walnut kernels in the morning and evening every day, which can play a dual role of tonic and treatment.

[Documentation]

1. Bencao Tujing: "To treat injury urolithic stranguria, take the same malaytea scurfpea fruit, honeyed pill."
2. Bencao Gangmu: "tonifying and replenishing qi and blood, moistening dryness and resolving phlegm, benefiting the life gate, triple energizer, warming the lungs and moistening the intestines, treating deficiency, cold, asthma and cough, and heavy pain in the waist. "

[Usage and Dosage]

10~30g. Decoct and take. It should be used with the skin to treat asthma and cough. It should be peeled to moisturize dry intestines. It should be fried and crispy and pounded into a paste to remove stones.

[Precaution]

Because it can smooth the intestines, it is not suitable for people with large and thin stools. It should not be used in cases of yin deficiency with effulgent fire or phlegm-heat cough.

[Modern Pharmacology]

Walnut kernel contains fatty oil, mainly linolein. It also contains protein, carbohydrates, riboflavin, carotene, vitamin E, trace amounts of calcium, phosphorus, iron, etc. It has antitussive effect. Feeding dogs a mixed diet containing walnut kernel oil can cause them to gain weight quickly and increase serum albumin, while blood cholesterol levels increase more slowly. It may affect the synthesis, oxidation and excretion of cholesterol in the body. .

Walnut kernels are better if they are yellow in color, large, plump and oily. Walnut kernel meat is rich in fat (approximately 40% to 50%). Eating it can lubricate the large intestine and facilitate defecation. It also has a nourishing effect, so it is especially useful for constipation knots in the elderly and weak, and those with fluid deficiency after illness. should. In food therapy, it is better to eat it as needed. Tonifying the kidney to constrain seminal emission should be used with the endothelium cooked, while moistening intestines to relieve constipation should be used raw with the endothelium removed.

The fatty oil extracted from walnut kernel, called walnut kernel oil, has the functions of nourishing the kidneys, laxation and repelling insects when taken internally; it can be used externally to treat dermatitis, eczema and furuncle of the external auditory canal.