Pharmaceutical name: 英文藥名﹕	Radix Angelicae Pubescentis
Botanical name: 學名﹕	Angelica pubescens Maxim. f. biserrata Shan et Yuan
Pron. in Japanese: 日語發音﹕	dokkatsu
Pron. in Korean: 韓語發音﹕	tokhwal
Pron. in Cantonese: 粵音﹕	dok wut
Other Names: 別名﹕	xiang du huo 香獨活，da du huo 大獨活。
Common Name: 英文名﹕	Doubleteeth Pubescent Angelica Root.
Distribution: 產地﹕	Hubei, Sichuan (A. pubescens); Anhui, Zhejiang, Jiangxi, Hubei, Guangxi  (A.p. Maxim. f. biserrata)
Properties (characteristics)﹕ 性味﹕	slightly warm, acrid, bitter 性微温，味辛、苦。
Channels (meridians) entered:   歸經﹕	kidney, bladder 腎﹐ 膀胱。
Medical functions: 藥理﹕	anti-arthritis, inhibits pain, sedative effect expand blood vessels, lower blood pressure   抗關節炎、鎮痛、鎮靜； 擴張血管、降低血壓。
Actions & Indications: 主治﹕	for wind-cold-damp painful obstruction, especially in the lower back and legs for sickness induced by wind-cold-dampness
Chemical ingredients: 化學成份﹕	1. osthol, eremophilene, thymol, alpha-cedrene, humulelne, p-cresol, beta-cedrene, guaiol, (1-isopropyl-4-methylene-7-methyl-1, 2, 3, 4, 4a, 5, 6, 8a-octahydronaphthalene), [2-methyl-4-(1, 1-dimethylethyl) phenol] (dodecyl isopropyl ether), alpha-elemene, (trans-p-menth-2-en-7-ol), (2-methyl-5-, (1, 5-dimethyl-4-hexenyl)-1, 3-cyclohexadiene), alpha-funebrene, alpha-bergamotene, (7, 10-pentadecadiynoic acid), [4, 11, 11-trimethyl-8-methylene-bicyclo (2, 2, 0) undec-4-ene], alpha-bisabolene, alpha-longipinene, alpha-patchoulene, Elixeine, (5, 6-dimethyl-3a, 4, 7, 7alpha-tetrahydro-1, 3-isobenzofurandione), ([Z, E] -4, 8, 12-trimethyl-3, 7, 11-tridecatrienoate), (4, 4-methylenebis [2, 3, 5, 6-tetr-amethyl] phenol), beta-bisabolene, 2-cyclo-hexyl decane,  Isosericenene, -2(oxacyclohexadecan-2-one), (2, 3-diphenyl-2-cyclopropen-1-one), (1-tetradecene), (methyl 2, 4, 6-trimethyl-decanoate), n-octane, (4-methyl-cyclohexanone), 2-methyloctane, n-nonane, alpha-pinene, alpha-terpinene, 3-methylnonane, beta-pinene, myrcene, alpha-phellandrene, 3-enecarene, p-cymene, sylvestrene, n-undecane, myrtenal, (4-methoxy-acetophenone, (alpha-copaene), beta-elemene, neroliclol. 2. angelol, bergapten, osthol, umbelliferone, scopoletin, glabralactone, columbianadin, columbianetin acetate, columbianetin, xanthotoxin, angelol-B. 3. angelic acid, tiglic acid.
Dosage: 用量﹕	normal usage in decoction: 3 to 9 g. external use: make into alcohol extract or into decoction 內服入煎劑，常用量3 ~ 9 克；或浸酒。外用：煎水洗。
Samples of formulae :處方舉例﹕	du huo ji sheng tang  獨活寄生湯
Modern Research: 現代研究﹕
Toxicity & Cautions: 毒素與禁忌﹕	do not use in cases of high fever without chill or in case of yinxu (yin deficient) with fever. 高熱而不惡寒或 陰虛有熱者忌服。