Juglans mandshurica

Juglans mandshurica

(records of medicinal plants in Hebei)

[synonym] Juglans mandshurica, Juglans mandshurica (Chinese tree taxonomy), Juglans mandshurica (Chinese medicinal plant Atlas).

[source] it is the immature fruit or peel of Juglans mandshurica.

[plant morphology] Juglans mandshurica, also known as Carya cathayensis.

Deciduous trees, up to 20 m high. The bark is dark gray; branchlets are stout, with soft glandular hairs, odd pinnate compound leaves, alternate; leaflets are 9-17, long elliptic or oval, long elliptic, 5-15 cm long, 2-6 cm wide, apex pointed, margin serrate, base obtuse or nearly truncate, usually glabrous above, and densely brown pilose on veins below. The flowers are unisexual, monoecious; the male inflorescence is long and thin, catkin like, drawn from the axils of the last year's branches and leaves, drooping; the inflorescence is 17-18 cm long; the perianth is 3-4, 1-2 bracts, perianth like, stamens are 8-40, filaments are short, and connectives are sometimes elongated; the female inflorescence is spike like, erect, with 5-10 flowers opening at the same time as the leaves, perianth is 4, bracts and bracts are closed around the outer wall of ovary, and the ovary is inferior Stigma 2-lobed, stigma surface papillary, dark red. The inflorescence is short, often with 4-7 fruits. Drupe globose, apex pointed, not easily dehiscent, nucleus ovate, 8-ribbed. The flowering period is May. The fruit period is from August to September.

It grows on the wetter part of hillside or valley. Distributed in Northeast, Hebei, Henan, Shanxi, Gansu and other places.

The branch bark or dry bark (Juglans mandshurica bark) of this plant is also used for medicine. Please refer to the special section for details.

[chemical composition] the kernel contains 40-50% oil, 15-20% protein, 1-1.5% sugar and vitamin C.

[pharmacological action] the decoction of Juglans mandshurica leaves can accelerate the assimilation of glucose in rats, or reduce the blood glucose. The method was that the rats were given 60% glucose (30 ml / kg) by gavage half an hour after oral administration, and the urine sugar was measured 2.5-3 hours later.

[function and indications] "northeast medicine Zhi Zhi": "wine soaked in fruit peel can cure stomach disease and abdominal pain. "

[selected formula] to treat spasmodic abdominal pain such as gastritis, stomach and duodenal ulcer: Six Jin of Hickory (choose immature green fruit). Crush, soak for 2 to 3 weeks with 10 Jin Liquor, remove the residue and filter. Adults take 10 to 15 ml orally each time. (Handbook of commonly used Chinese herbal medicines in Heilongjiang)