Angelica Acutiloba

[ ] Pinyin name Dō n D ān Gu ī
[ alias ] angelica, Yanbian, North Korea, as always, Japan and Angelica Angelica Angelica
[ source ]
Medicine medium source: for the Umbelliferae Angelica Acutiloba root.
Latin animal mineral name: Angelica Acutiloba ( Sieb.et Zucc. ) Kitag.[Ligusticum acutilobum Sieb.et Zucc]
Harvest and storage: collected in autumn, to its roots, stems and leaves and impurity, the interior to use slow fire to smoke, and then dried.
[ ] the original morphology of Angelica Acutiloba, perennial is herbaceous, tall 30-100cm. Glabrous, with fine longitudinal striation. Roots terete,10-25cm long, thick1-2.5cm, has a plurality of Mr Tan to brown, surface, a thick aroma. Ye Husheng10-30cm, petiole length, base dilated into a tubular sheath, stem and leaf growth of top simplified circular leaf sheaths; leaf back to two to three pinnatifid; leaf blade membranous, surface is bright green, abaxially green and white, ultimate segments lanceolate to ovate-lanceolate,3 crack, long 2-9cm, wide 1-3cm, tip gradually tip to acute, base cuneate, margin acutely serrate. Compound umbel terminal or lateral, flower stalk, cheat rays, pedicel glabrous or sparsely hairy; peduncle long 5-20cm; involucral bracts1 to several, linear-lanceolate; rays17-30; small involucral bracts5-8, linear; small umbrella inflorescence with flowers of about 30ms; white flowers; calyx teeth inconspicuous; petals obovate to oblong; flower vertebral length style base3 times. And hanging fruit narrowly oblong, slightly compressed, long 4-5mm, wide 1-1.5mm, dorsal ribs linear, sharp, lateral ribs narrowly winged, furrowed with tubing 3-4, commissure has tubing4-8. Florescence 7-8friends, month of fruit period 8-9.
[ ] habitat distribution
Ecological environment: Japan and Korea to this species as angelica, cultivation.
Resource distribution: Province of our country Jilin Korean Autonomous Prefecture of Yanbian in Yanji, Hunchun, and to have the cultivation.
[ character ]
Character identification, root hypertrophy, long 10-18cm. Root root head and stubby, slightly cylindrical, long 1.5-3cm, diameter 1.5-2CM; root is more than5-10from root, curved shape, length, long range 3-10cm, diameter 0.2-1cm. Surface yellowish brown or tan, with irregular vertical lines and horizontal lenticels elliptic. The topmost truncate, central to the hollow stem scars, surface have stripes. Brittle easily broken, section smooth skin, white or yellow-white, has a plurality of oil chamber and fissure, cambium ring wood brown, yellow or yellowish brown, with most oil chamber and fissure, cambium ring wood brown, yellowish white or yellowish brown, ray intensity. With special aroma. Sweet and slightly bitter, spicy.
Microscopic identification, root transection: cork layer by 2-4 column flat cork cells. Cortical stenosis, gap, sometimes visible minority small secretory cavity. Phloem is broader, oil chamber is circular, closer to form layer of smaller, ray width to 10columns of cells. Cambium ring. Xylem single or2-3into a beam, radial arrangement, wood ray width to 10columns of cells. Central to the primary xylem.
Characteristics: yellow brown powder. 1large starch grains, single grains are round or spherical shape, the diameter of 4-30μ m, umbilic point, short slot shape, bird shape; compound particle consists of 2-9sizing composition, big grain are faintly visible layer. The 2catheter is reticulate, diameter up to 60μ m, also visible threaded conduit. In 3cork tissue fragments of pale yellow, rectangular or polygonal. The 4 oil chamber or fragments thereof.
[ ] the chemical composition
Plant sugar. Containing angelica Acutiloba Root pectin (angelica-pectin ) A, a volatile oil, mainly containing ligusticum lactone (ligustilide ), Aden based phthalide ( n-butylidenphthalide ) ( cnidilide ), Chuanxiong lactone of ligustilide ( isocnidilide ) ( niacin ), niacin, vitamin B12, sedanolide ( sedanolide ), folic acid ( folic acid0, on the o-cymene ( P-cymene ),β- sitosterol (β -sitosterol ).
Root, fruit Hanxiang citrus lactone ( bergapten ), ( xanthotoxin0Xanthotoxin, different aromatic coumarin ( isopimpinellin ).
Plant volatile components and Aden based ( butytlidenephthalide0, butyl phthalide in phthalide ( butylphthalide ), ligustilide ( ligustilide ).
[ ] east of pharmacological effects of Angelica Decoction (100%) can cause the proestrus nonpregnant rat isolated uterus smooth muscle excitability, the shrinkage rate increased significantly, and showed a significant dose-effect relationship. On the early pregnant rat uterus in vitro can significantly increase the frequency from the contraction of smooth muscle, but no obvious effect on the amplitude of contraction. Angelica Acutiloba3.3-66.7mg/ml resisting pituitrin induced rat isolated uterine smooth muscle contraction, and showed a significant dose-effect relationship.
[ ] physical and chemical identification identification, taking medicine coarse particle 0.2g, in a test tube with 70% ethanol solution 2ml, promptly shake, shake1 times every 10min1H, impregnation, taking supernatant, point to the filter, after doing two UV lamp254nm observation, blue fluorescence.
[ ] taste acrid in taste Gan; temperature;
[ ] Huoxue Tiaojing functions; pain; Runzao slippery bowel. The primary blood deficiency syndrome; menstruation; dysmenorrhea; amenorrhea; postpartum abdominal pain; irritable bowel constipation
[ usage]: orally taken decoction,10-30g.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/