Walnut kernel

nucleus

SemenJuglandis

Wallutseed

[alias].

[source] the seeds of Juglans regia L.

[plant morphology] deciduous tree. Pinnate compound leaves alternate; leaflets 5-9, opposite, ovate, elliptic or elliptic ovate, 6-15CM long, 3-6cm wide, apex pointed, entire. The flowers are monoecious and open at the same time as the leaves? Inflorescence erect, stigma 3-30, staminate, inflorescence 1-30, staminate. Drupe subglobose, exocarp fleshy, green; endocarp bony, hard, with irregular shallow grooves. The flowering period is May and the fruiting period is October.

It grows in moist and fertile soil, and is mostly cultivated in flat land or hilly area. It is mainly produced in Hebei, Beijing, Shanxi and Shandong.

[harvest] harvest the fruits from September to October, remove the fleshy peel, break the shell and take out the seeds.

[character] the complete spherical surface of seed consists of two cotyledons with brain shape, 1-3cm in diameter, uneven, light brown or dark brown on the surface, thin seed coat, dark veins, and triangular radicle at one end. Most of them are broken into regular blocks, milky white or yellowish white, rich in oil. The seed coat is slightly astringent.

[chemical composition] it contains fatty oil, mainly composed of linoleic acid, oleic acid and glyceride of linolenic acid; it also contains protein, carbohydrate, α - and γ - Vitamin E and vitamin B2.

Warm in nature and sweet in taste.

[indications] warming and tonifying the lung and kidney, relieving asthma and moistening the intestine. It is used for kidney deficiency, low back pain, soft feet, cold deficiency, cough and constipation.