1、
This product is the dried mature seed of Juglans regia L., a plant in the walnut family. The fruits are harvested when they are ripe in autumn, and the fleshy peel is removed, dried in the sun, and then the core shell and wooden septum are removed.
[properties] this product is mostly broken, irregular blocky, with wrinkled grooves of different sizes; The seed coat is yellowish or yellowish brown, membranous, and vascular bundle veins are dark brown. Cotyledons are almost white. It is brittle and oily. The air is weak and the taste is sweet; The seed coat tastes astringent and slightly bitter.
[identification] the powder of this product is yellowish white or light brown. . The cell wall is straight, some of which are slightly Beaded thickened, and the cells contain yellowish brown substances. Stomata are common, oblate, with a diameter of 42-68 μ M. some guard cells vary in size, and there are 3-8 accessory guard cells.
[inspection] the moisture content shall not exceed 7.0% (the second method of general rule 0832).
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The acid value shall not exceed 10.0.
Carbonyl value shall not exceed 10.0.
The peroxide value shall not exceed 0.10.
[nature, taste and meridian tropism] sweet, warm. It belongs to kidney, lung and large intestine.
[functions and indications] tonify the kidney, warm the lung and moisten the intestine. It is used for kidney yang deficiency, waist and knee soreness, impotence and spermatorrhea, cold deficiency and asthma, intestinal dryness and constipation.
[usage and dosage] 6 ～ 9g.
[storage] store in a cool and dry place to prevent moths.

2、 Chemical constituents of walnut kernel

Containing fatty oil, the main components are glycerides of linoleic acid, oleic acid and linolenic acid; It also contains protein, carbohydrate, α - and γ - Vitamin E and vitamin B2.

3、 Pharmacological effects of walnut kernel

1. walnut kernel can promote the dissolution of magnesium ammonium phosphate stones for urinary system stones.

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3. walnut kernel has certain anti-inflammatory and anti allergic effects.

4. walnut kernel can increase body weight, increase albumin in serum, and affect the synthesis, oxidation and excretion of cholesterol in vivo.