2012年5月23日星期三

Leaf chicory



Pinyin name ] [ Dà YèJ ùMǎ I Cà I
[ alias ] white thistle, bitter Mai round again, Sonchus, Herba
[ source ]
Medicine medium source: as the Compositae Sonchus asper the whole plant or root.
Latin animal mineral name: Sonchus asdper ( L. ) Hill. [Sonchus oler-aceus L.var.asper L.]
Harvest and storage: spring, summer harvest, fresh or dried cut section.
[ ] the original morphology of Sonchus asper annual herbaceous, tall 30-70cm. Roots fusiform or conical. Stems branched or unbranched, glabrous or are capitate glandular hairs. Ye Husheng Ye Yebing; the lower wings, in the upper leaves sessile, base ministry expand rounded ears; leaf blade oblong or rounded, long 6-15CM, wide 1.5-8cm, not to split or notch shape cleft or pinnatisect, edge unequal spinelike teeth. Capitate,5-10, in the stem top concentrated into a corymbose; pedicels glabrous or glandular hairs; involucre campanulate, long 10-12mm, wide 10-15mm; involucral bracts2-3layer, dark green; a yellow, bisexual, strong. Achenes, long ellipsoid obovoid, compressed, brown or pink, two sides of each of the 3longitudinal ribs, intercostal no fine wrinkles; crested white, hairy.
[ ] habitat distribution
Ecological environment : in roadside, field.
Resource distribution: distribution in all parts of the country.
[ ] this product chemical composition containing rings three terpene alcohols and esters in 9.8%,16.1% and4.6% of the long chain fatty acid ester. Three of terpenoid componentsα- amyrin (α -amyrin )4%,β - amyrin (β -amyrin ) in 8%, count Manny alcohol (germanicol)6%,ψ- Dandelion sterols (ψ -taraxasterol )17% (taraxasterol )36% sterols, dandelion, lupeol (28%; lupeol ) from three B acidα- fragrant resin acid acetate ( acetateα-amyrin )3%,β - amyrin acetate ( acetateβ-amyrin )8%, count Manny alcohol acetate (germanicolacetate )5%,ψ- Dandelion sterols acetates (ψ -taraxasterol acetate )19%, dandelion sterols acetates (taraxasterol acetate21% ), lupeol ester ( lupeol acetate )44%. Another report, from the drying Yunnan sowthistle measured with C17-35alkane 1.7%, C12-32 fatty ester of 17.4%, three from16.1% to C22-28acetate, alcohol19%,11.7% sterols. In addition, also from this product is divided to form - friedelin alcohol acetate ( epi-friedelinol acetate ), stigmasterol ( stignasterol ), apigenin ( apigenin ), luteolin ( luteolin ) and their 7- glucose acid glucoside. Sonchus oleraceus glycosides (sonchuside ) D, E, F, G, H, I, and Sonchus methyl vinyl ketone glucoside ( sonchuionoside ) A, B, C, icariin ( icariside ) B.
[ ] taste bitter cold;
[ ] functions of heat-clearing and detoxicating; hemostasis. The main sores; infantile cough and hemoptysis; pulmonary tuberculosis
[ usage]: orally taken decoction, double9-15g, fresh goods. External: fresh goods amount, trace and apply.
Excerpts from" Chinese Materia Medica" [ ]

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