Ye Dou

[ source ] from the" Yunnan selected medicinal plants of Simao"
Pinyin name ] [ Duì Yè Dò u
[ ] Leaf of Ringworm Senna English name
[ alias ] from Africa, the wing handle the Akebia
[ source ]
Medicine medium source: legume pod for wings of Cassia leaf.
Latin botanical name: Cassia alata L. animal fossil
Harvest and storage: summer, fall choose sunny picking, removed from stem branches, clean, fresh or dried.
[ ] the original morphology of wing pod cassia, high 1.5-3m. Branches stout, green. Stipules triangular; even-pinnate, nearly sessile, long 30-60cm, on the ventral surface of the petiole and rachis has 2longitudinal edges, narrowly winged; leaflets leathery,6-12, obovate-oblong or long elliptic, long 8-15cm, wide 3.5-7.5cm, downward gradually small, apex obtuse and a small pointed head, base obliquely truncate, veins obvious bulge below; petiolules near. Inflorescences terminal and axillary, has long stem, simple or branched, long 10-50cm; admiral shaped, yellow, purple veins were located in the upper part; the3 stamens degenerated,7 stamens development, the following2anthers large, the small side. Pod long ribbon, long 10-20cm, wide 1.2-1.5mm, each fruit valve central top cross to basal wings, wing paper, with obtuse teeth; seeds 50-60, flat, triangular. Flowering in November to January the following year, fruit period in December to February of next year.
[ ] habitat distribution
Ecological environment : in sparse forests or more arid hillside.
Resource distribution: distribution in Guangdong and south area of Yunnan.
[ character ] leaves more complete or broken. Leaflets oblong, apex obtuse, long 5-15, wide 5-7cm, a fine tip, base broadly rounded, and in the side slants big. Under the surface of the main veins prominent. Ye Huang green. Hard leathery. Rachis narrowly winged on both sides. Gas micro, taste bitter.
[ ] leaf chemical composition containing rhein, emodin ( Rhein ) ( emodin ),4,5- -1- two hydroxy methylol content (4,5-dihydroxy-1-hydroxymethylanthrone ),4,5- -2- two hydroxy methyl anthraquinone (4,5-dihydroxy-2-hydroxymethylanthraquinone ), different chrysophanol physcion ( isochrysophanol ), -L- glycoside ( physcion-L-glucoside ).
[ ] the pharmacological effect
1 inhibits muscle tumors: leaf acid extract on inoculated into mice thigh muscle in sarcoma37 had mild injury.
2purgative, antibacterial effect: leaf, fruit containing anthraquinone rickets, a purgative, antibacterial effect.
[ taste ] hard; cold temperature
[ ] to the heart; spleen meridian
[ indications ] dispelling pathogenic wind and removing dampness, relieving itching, laxative. The skin pruritus, eczema, psoriasis, neurodermatitis, herpes, furuncle ulcer, constipation
[ usage]: orally taken decoction,3-6g, after the. External: appropriate, fresh leaf Daozhi eraser; or modulated into ointment dressing.
[ ] the treatise" Yunnan selected medicinal plants of Simao": insecticide, itching. Treatment of neurodermatitis, psoriasis, eczema, skin itching, furuncle ulcer.
Excerpts from" Chinese Materia Medica" [ ]

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