2012年5月25日星期五

Dali Ju



[ ] Pinyin name Dà L J ì Jiú
[ alias ] dahlia, Dali flowers, fruit, the peony
[ source ]
Medicine medium source: as the Compositae Dahlia tubers.
Latin botanical mineral name: Dahlia pinnata Cav. animal [D. uariabilis Desf.]
Harvest and storage: Autumn grubbing, washed, dried or fresh.
[ ] the original morphology of Dahlia annual to perennial, up to1.5m. Underground with tuberous roots. Stem erect, much branched optical surge. Leaves opposite; petiole basally extended almost connected, petiolules slightly narrow wings, two; leaf blade pinnatifid, or how much of upper leaves pinnatifid, lobes ovate-orbicular, margin with obtuse serrate, green above, below celadon. Capitate level to carry out or slightly pendulous, diameter 6-12cm, have long stem; involucral bracts 2layer, outer layer of a short, green, the inner layer thin, scaly, basally united; a8 gold, red, purple-red or pink, neutral or female; tubular flower yellow, bisexual, inoculation. Achenes oblong or obovate, apex rounded; crested deficiency or obscurely toothed 2lattice. Florescence 7-8 month.
[ ] National habitat distribution was commonly cultivated garden.
[ character ]
Identification of root traits of elongated spindle-shaped, slightly curved, some of which have been compressed, some cut into two pieces, length 6-10cm, diameter 3-4.5cm. Surface of gray or white, not to remove the peel of yellow brown, clear and irregular longitudinal striation, apex with stem base mark, apex and tail were fibrous. The quality is hard, not easy to break, section, white, horny. Air whistle, a.
Microscopic identification of root transverse section: cork layer and the cortex most has been removed ( in fresh goods visible in cork cell series, by the outside lateral columns of cells, different shapes, all wood ). Cortex has stone cell, a number of communities or distributed in single, square, rectangular or polygonal, diameter 30-108 μm, cell wall apertures significantly larger. Folding inner cortex have secretory cavity arranged in a discontinuous annular. Phloem is wide. Formation of layer. Xylem pilot and single or several communities, sparse for radially arranged, oval or round table polygon, a diameter of up to 108μ M. Ray wide. In the secondary phloem ray and ray are red can be a urinary cavity, within the medullary department.
[ ] chemical composition containing flavonoids: apigenin ( apigenin ), apigenin7-O- glycoside ( apigenin7-O-glucoside ), apigenin7-O- rhamnose glucoside ( apigenin7-O-rhamnoglucoside ), acacetin -7-O- glycoside ( a-cacetin7-O-glucoside ), thorn Huai7-O- rhamnose glucoside ( acacetin7-O-rhamnoglucoside ), luteolin ( luteolin ), luteolin glucoside (7-O- luteolin7-O-glucoside ), quercetin ( quercetin3-O-galactoside )3-O- galactoside, quercitrin ( quercitrin ), isorhamnetin3-O- galactoside ( isorha-mnetin3-O-galactoside ).
[ ] taste spicy; Gan; flat
[ ] functions of heat-clearing and detoxicating; blood stasis pain. A main rib mastitis; age tooth pain; innominate toxic swelling; traumatic injury
[ usage]: orally taken decoction,6-15g. External: amount, trace and apply.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/

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