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yuan zhi 遠志
(in English and Chinese 中英文)
by: Joe Hing Kwok Chu
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Pharmaceutical
name:
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Radix Plygalae Tenuifoliae
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Biological name:
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Polygala
tenuifolia
Willd.
Polygala sibirica
L. (卵葉遠志)
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Pron. in Japanese:
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onji
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Pron. in Korean:
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woji
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Pron. in Cantonese:
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yuen chi
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Common Name:
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polygala, Chinese senega root
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Distribution:
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Shanxi, Shaanxi,
Hebei, Henan, Jilin
山西，陝西，河北，河南，吉林。
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Properties (characteristics):性
味:
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bitter, acrid, slghtly warm
苦，辛，略溫。
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Channels (meridians)
entered:
歸經:
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heart, lung
心，肺。
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Actions & Indications:
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for insomnia, forgetfulness,
palpitation with fright, cough with abundance of phlegm, cough with
difficulty in expelling phlegm, emotional and disorientation with abundance
of phlegm, seizures, anxiety, listlessness, boils, abscesses, sores,
tumor of breasts, swollen and painful breast,
用 於 失 眠﹐ 健 忘﹐ 驚 悸﹐
咳 嗽 痰 多 ， 咳 嗽 咯 痰 不 爽﹐ 痰 迷 神 昏﹐ 癲 癇 發 作﹐ 煩 躁 不 安﹐神 志 不 清﹐ 瘡 瘍 腫 毒﹐ 瘡
癰 初 起﹐ 乳 癰 腫 痛 等 。
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Medical function:
藥理作用﹕
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Medical function:
(1). Expectorant
effect
In studies
with mice, a water decoction of 15g/kilo of body weight, taken internally,
had an expectorant effect. This could be because the ingredient saponin
stimulates the mucus lining of the stomach. This in turn triggers the
bronchii to secrete more mucus. According to the traditional Materia
Medica, the part of yuan zhi that has been used is the skin of the root.
But now the whole root is used, including the middle part. But according
to chemical ingredients, the skin of the root and the middle part are
different. With mice, using the skin alone, the smallest effective amount
is 1.25 grams/kilo. Using the middle wooden part of the root alone,
the amount of 50 grams/kilo has no effect at all. The wooden part of
the root contains very little saponin -- only 4 per cent of the amount
contained in the skin. There is also a report that 1 gram /kilo of yuan
zhi decoction infused into the stomachs of anesthetized dogs had no
expectorant effect.
(2). Calming
effect
(3)
Lower blood pressure
(4)
Blood thinning effect
(5)
Effect on uterus
(6) Anti cancer
effect
(7) Antibiotic
effect
(8）both
ethanol extract and n-butanol fraction of yuan zhi can reduce brain
damage during ischemia and reperfusion, and prevent lipid
peroxidation and preserve the energy metabolism.
藥理作用﹕
(1) 袪 痰
(2) 鎮靜
(3)降
血壓
(4) 溶血作用
(5) 對子宮作用
(6) 抗突
變﹐抗癌作用
(7) 抗菌
(8)
遠志的乙醇提取物或正丁醇的提取物可以在腦部缺血再灌注過程中減少腦損傷，防止脂質過氧化和保持能量代謝。
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Samples of formulae:
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Kong
sheng zheng zhong
dan
孔聖 枕中丹
tian wang bu xin dan 天王補心丹
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Chemical ingredients:
化學成份﹕
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1. (onjisaponin) A, B, C, D, E, F, G[1, 2] ; (tenuifolin);
(2beta, 27-dihydroxy-23-carboxyoleanolic acid 3-beta-O-glucoside); (tenuigenin
A); (tenuigenin B).
2. (onjixanthone); (1, 6-dihydroxy-3, 7-dimethoxy xanthone); (1-hydroxy-3,
6, 7-trimethoxy xanthone)[4].
3. (5-anhydro-D-sorbitol); (N-acetyl-D-glucosamine)[5].
4. (3, 4, 5-trimethoxy-cinnamic acid)[1]; (polygalitol);
(tenuidine).
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Dosage:
用量:
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5 to 10 g in decoction.
5 ~ 10 克。入煎劑。
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Cautions:
禁 忌 ：
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Not to use in cases of heat is abundance, and where heat toxin and the
body functions are over active. Use caution in cases of
pixu (spleen deficient).
實 熱 熾 盛﹐ 熱 毒 陽 盛 者 忌 服 ，
脾 虛 者 慎 服 。
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[1]
Am J Chin Med. 2006;34(1):115-23.
[n] For complete bibliography, email our
Research Librarian.
Almost all are from Chinese journals. There is a set up charge for
typing Chinese and translate them into English.
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