Hong Li pi

[ ] Ch u L Pinyin names which P Golf
[ alias ] cascara sagrada.
[ source ]
Medicine source: as buckthorn plant Rhamnus davurica Pall daurica buckthorn bark.
Latin animal mineral name: Rhamnus davurica Pall.
Harvest and storage: the summer harvest, dried.
[ ] the original morphology of Daurian buckthorn shrub or small tree high, up to 10m. Branchlets stout, subopposite, brown or reddish brown, apex often have large bud, without spines, or with short needle. Leaf was born on the long branch, or clustered on short shoots; petiole length1.5-4cm; leaf blade papery, ovate or elliptic, long 4-13cm,2-6cm wide, apex abruptly acuminate, base cuneate or subrounded, margin serrulate, tooth end often has red glands, bright green, glabrous above, below sparsely pilose along veins are white, pale green, lateral veins4-6 pairs, reticulate veins conspicuous. Flowers unisexual, dioecious, yellowish green; female1-3in leaf axils or several to20 clusters on short branch end, staminodes present; calyx 4 crack, lobes narrowly ovate, acute; ovary globose,2-3chamber; style2-3lobed or cleft; stamen4, and a sterile pistil. Drupe globose, black when ripe, diameter 5-7mm, the base of a Su Cune tube. Fruiting pedicels long 1-1.2cm. Seeds ovoid, brown, dorsal with narrow longitudinal groove. Flowering of 5-6 months, fr.7-10.
[ ] habitat distribution
Ecological environment : in1800m elevation below the hillside forests, thickets and forest margins and ditches humid.
Resource distribution: distribution in Northeast and Hebei, Shanxi.
[ character ] trait identification of this product is flat or rolled into a groove in the dried bark, thick 2-3mm. Surface rough, dark gray, with vertical and horizontal cracks and small lateral extension of the lenticels. Branch skin is smooth. Remove the cork, surface is reddish brown. Inner surface color is dark, have white longitudinal texture ( fiber ). Brittle, easily broken, section fibrous. Gas micro, bitter in taste.
[ ] the bark chemical composition containing emodin, chrysophanol ( emodin ) ( chryso-phanol ), aloe emodin ( aloe-emodin ), DNA isorhamnetin ( deoxyrhamne-tin ), isorhamnetin ( rhamnetin ), isorhamnetin ( isorhamnetin ), methyl isorhamnetin ( methyl isorhamnetin ).
[ ] pharmacological effect of buckthorn bark water extract on mice have a purgative effect.
[ ] bitter taste; slightly cold; the small poison
[ function ] detoxification; purgative laxative. The main rheumatic fever paralysis; heat sore carbuncle; constipation
[ usage]: orally taken decoction,3-9g. External: moderate, washed fried or boiled paste.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/