du huo 獨活
Edited by: Joe Hing kwok Chu
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Pharmaceutical name: 英文藥名﹕ |
Radix Angelicae Pubescentis |
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Botanical name: 學名﹕ |
Angelica pubescens Maxim. f. biserrata Shan et Yuan |
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Pron. in Japanese: 日語發音﹕ |
dokkatsu |
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Pron. in Korean: 韓語發音﹕ |
tokhwal |
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粵音﹕ |
duk6 wut6 |
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Other Names: 別名﹕ |
xiang du huo 香獨活，da du huo 大獨活。 |
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Common Name: 英文名﹕ |
doubleteeth pubescent angelica root. |
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Distribution: 產地﹕ |
Hubei, Sichuan (A. pubescens); Anhui, Zhejiang, Jiangxi, Hubei, Guangxi (A.p. Maxim. f. biserrata) |
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Properties (characteristics)﹕ 性味﹕ |
slightly warm, acrid, bitter 性微温，味辛、苦。 |
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Channels (meridians) entered:
歸經﹕ |
kidney, bladder 腎﹐ 膀胱。 |
| Medical functions: 藥理﹕
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Actions & Indications: 主治﹕ |
for wind-cold-damp painful obstruction,
especially in the lower back and legs for sickness induced by wind-cold-dampness |
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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. |
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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。 |
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Samples of formulae: 處方舉例﹕ |
du huo ji sheng tang 獨活寄生湯 |
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Modern Research: 現代研究﹕ |
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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。 |
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