Platinum Guo Lan

[ ] B I Pinyin name 's J n Gu L n I gave
[ source ]
Medicine source: Aristolochia Aristolochiaceae plants roots.
Latin animal mineral name: Aristolochia versicolor S.M.Hwang
Harvest and storage: summer, autumn, winter digging, wash, cut, dried.
[ ] the original morphology of Aristolochia woody vines. Root conic, constant connected. Shoots slender, with longitudinal ribs. Pubescent. Leaves alternate; petiole length 1-2cm, stout, usually twisted, slightly hairy; leaf blade elliptic or elliptic-lanceolate, length 14-25cm, width 4-6.5cm, apex acute to acuminate, base the Ministry is narrowly auriculate, side lobes often slightly recurved or drooping, margin entire, sparsely pilose below vein, fall off gradually after, basal veins 3. Flowers solitary or 2 flowers aggregated, dilute arranged in racemes, in leaf axils; pedicel densely brown villous; bracteoles subulate, densely brown villous; perianth tube central sharply bent, bent from the office to a lower eaves part short and mutual adnate, yellow green, with longitudinal veins, outside densely silky villous, inside glabrous; limb discoid suborbicular, when bud yellow, blossom after purplish red, with reticulate venation pattern, outside densely brown villose, margin shallowly 3 crack; throat semi circular, slightly collared protuberance; adnate anther paired gynostemium near base; ovary cylindrical, dense broken brown villous; gynostemium lobes obtuse at apex, margin extends downwardly, and a nipple, capsule ellipse shape, long 5-8cm, 6 prism, dark brown when mature, apex downward from cracking. Seeds ovate, abaxially flat convex. Flowering of 4-6 months, fr. 8-10.
[ ] habitat distribution
Ecological environment : in margin of forests or thickets on slopes in.
Resource distribution: distribution in Guangdong, Guangxi, Yunnan and other places.
[ character ]
Identification of root traits of irregular or long conic, diameter 5-9cm. Surface gray-brown, rough, irregular crack. The horizontal slices, white or yellow-white section. Gas cooling, slightly bitter taste.
Microscopic identification of root transverse section: cork layer as many columns of cork cells, phelloderm medial stone cells arranged in intermittent ring, stone cell oval, round or irregular shape, oblong aspect 105-140 m, the short diameter of 35-70 / m, 20-56 / M round diameter. Vascular collateral type, phloem, xylem is width a ray is divided into several beams, radially arranged, forming layers of annular, near Central has 4 large 1-2 bifurcation of xylem bundle, inside the visible side forming layer. Thick caudex central have abnormal vascular, its xylem phloem in outside, inside. The parenchyma cells contain calcium oxalate crystals.
[ ] the chemical composition containing allantoin ( allantoin ), stearic acid ( stearic acid ), soy sterols - 4 - Xi - 3, 6 - two ketone ( stigmast-4-en-3, 6-dione ), beans sterane - 3, 6 - two ketone ( stigmastane-3, 6-dione ), beta sitosterol (sitosterol ), daucosterol ( daucosterol ), aristolochic acid ( aristolochic acid ) A, A ( aristolochic aristolochic acid methyl ester acid A methyl ester ), 6 - methoxyl nitro aristolochic acid methyl ester ( 6-methoxydenitroaristolochic to acid methyl ester ), to nitro aristolochic acid ( denitroaristolochic acid ), 6 - methoxyl nitro aristolochic acid ( 6-methoxydenitroaristolochic to acid), 6 methoxy aristolochic acid methyl ester ( A 6-methoxyaristolochic acid A methyl ester ), oaristolochic lactone (isoaristolactone), silver bag lactone (versicolactone) A, B, C, D.
[ ] the taste of bitter cold;
[ function ] detoxification; swelling and pain. The main enteritis diarrhea; bacillary dysentery; sore throat; mumps; Luo Li; breast cancer; eczema
[ usage]: orally taken decoction, 3-10g. External : the amount, trace and apply.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/