The efficacy and function of mountain yam

Shan Geshu was first published in the "Nanning Drug City Drugs". It is the root of the legume plant Hans Bean. The original plant is the Korean butterfly Clitoriahanceaua Hemsl., also known as: Li butterfly, hill pod, white butterfly, fake shag. Sub-shrub-like vegetation. 30 to 50 cm high with spindle-shaped roots. Stems erect, sessile hair when young. Pinnately compound, with very short stalk; stipules ovate-lanceolate, 5--5 mm long, pubescent, longitudinally veined; 3-locate, subulate, suborbulate 7-9 cm or more, 2 - 5.5 cm wide, both ends are slightly blunt or apex with sharp pointed heads, the top is bald, the bottom is tightly attached to the silver-gray silk; the small stipules are the tip of the cone. Flowers axillary, in pairs or very short racemes: bracts ovate, sate sate sateately sately sately sately sessately sessately sessate Powdery micro-hairy, with distinct longitudinal veins, 5-lobed, lobes lanceolate, long sately long, sessately sessately sessate; corolla white or yellowish, ca. 3 cm long. The pod has a short stalk, a linear rounded shape, 4-7 cm long, bald, sputum, slightly flattened. Flowering summer. Born on the sand hillside. Distributed in Guangdong, Guangxi, and April.


The efficacy and function of mountain yam


Alias: Shan radish ("Nanning Drugs").


Sexual taste


Sweet, slightly bitter, flat. Into the lungs, heart two.


Efficacy


1. Stop coughing and cure chronic bronchitis in the elderly.


2. Swelling and removing poison, treating poisonous sores and bloated.


Dosage


Oral: 9-15 grams (2 doses per day), decoction. External use: 捣 apply.


Various doctrines


"Nanning Drugs": "Ganwei bitter, flat. Swelling and removing poison, killing insects, treating poisonous sores."


"Guangxi Drugs Directory": "Detoxification, pus removal, swelling, treatment of scars."


Modern research


Chemical composition: 1 stem contains sterol, steroidal saponin, triterpenoid compound, coumarin, tannin, phenol.


2 Decoction has antitussive (reducing the time of ammonia coughing) and sputum (phenol red method) in mice; higher concentration has a certain inhibitory effect on common pathogenic bacteria in respiratory tract.

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