White.

[ ] B I D Pinyin name 's Hu: cabinet
[ alias ] Duhuo, Zhu, tetralogy of sea, white notopterygium, Tibetan angelica, Radix Angelicae dahuricae Radix Angelicae Pubescentis, Sao
[ source ]
Medicine source: for the Umbelliferae angelica roots of white light.
Latin animal mineral name: Heracleum candicans Wall.ex DC.
Harvest and storage: 4-10 months of digging, to its stem and impurities, dried.
[ ] the original morphology of white light Duhuo, perennial, high 1-1.5m. The entire plant densely white tomentose or villous. Cylindrical, lower branches, brownish yellow, thick. Stems erect, hollow, ribbed groove, upper branches. Basal leaves and lower stem leaves petiolate long 10-15cm, the contour of the blade to broadly ovate to oblong, long 15-30cm, one to two pinnatifid, ultimate lobes longer ovate, length 4-7cm, width 2-4.5cm, pinnately lobed, margin irregularly toothed, below densely gray fur or hair; the upper part of a stem Ye Youkuan sheath. Compound umbel terminal or lateral, peduncles long 15-30cm, have fluff; involucral bracts 1-3, linear; rays 24-40, with white pilose; small involucral bracts few, linear; per umbellule has spent about 25 flowers, flowers white; petals two; calyx teeth very small; stylopodium short-conic shape. Fruit obovate, length 5-8mm, width 4-6mm, lateral ribs broadly winged branches have, each slot has a 1 length of tubing, for fruit length 2 / 3, commissure vittae 2, endosperm belly flat. Flowering of 5-6 months, fr. 9-10.
[ ] habitat distribution
Ecological environment : in 2000-4200m elevation slopes, thickets, forest edge.
Resource distribution: distribution in Sichuan, Yunnan and Tibet.
Chemical composition of [ ]
The root contains citrus lactone ( bergapten ), and Angelica lactone ( heraclenin ), Heracleum alcohol ( heraclenol ), different anise coumarin ( isopimpinellin ), pepper toxin (Xanthotoxin), cork Xanthoxylin (suberosin ), Europe ( imperatorin ), Radix Peucedani lactone 8 - cow wolf alcohol-based psoralen ( 8-geranyloxypsoralen ), angelicin ( angelicin ), stearic acid ( stearic acid ), beta sitosterol (sitosterol ). Roots also containing tertiary - O - methyl Heracleum alcohol (tert-O-methylheraclenol ), of Angelica lactone ( isoheraclenin ), xanthotoxol ( xanthotoxol ) and sphondin ( sphondin ).
Fresh and mature seeds containing 0.65% respectively, 0.82% of the volatile oil, the two major components of the volatile oil as: bornyl acetate ( bornyl acetate ), amyl acetate ( amyl acetate ), valeric acid A ester ( hexyl pentanoate ), acid esters have been ( hexyl caproate ), n-Bu isovalerate ( butyl isovalerate ), isobutyric acid ester ( n-hexyl isobutyrate ) is, octyl acetate ( octyl acetate ).
In addition, white live along with - O - beta glucose based Heracleum alcohol ( tert-O B glucosyl heraclenol ), psoralen ( psoralence ) and white light from hormone ( candicanin ).
[ ] taste acrid in taste bitter; temperature;
[ ] functions wind dispersing cough; dehumidifier analgesic. The main cold cough headache toothache;;;; rheumatism; leprosy; wind eczema
[ usage]: orally taken decoction, 3-9g; or into the pill, powder or wine; qin.
Excerpts from" Chinese Materia Medica" [ ]
http://chinese-herbal-medicines-directory.blogspot.com/