Crude drug sample data base
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Scientific information data base
Common name | 紫菀, Ziwan, Asteris Radix (Non-JPS2022), Asteris Radix et Rhizoma (CP2020), Aster Root (Non-JPS2022), Tatarian Aster Root (CP2020) | |||||
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Synonyms | 軟紫菀 | |||||
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Original plant name | Aster tataricus L.f., (Shion) | |||||
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Family name | Compositae | |||||
Used part | root and rhizome | |||||
Quality for selection | Good Ziwan is purple outside and white inside. It has many soft, slender and evenly shaped roots. (TN) | |||||
Official compendium | Non-JPS (2022), CP (2020 ed.) | |||||
Clinical application | As an antitussive and expectorant, ziwan is applied for chronic cough, asthma and hemosputum. | |||||
Medical system | Traditional Chinese medicine | |||||
Drug effect in traditional medicine | Traditional classification | Antitussives and antiasthmatics | ||||
Beneficial effect | [Property and Flavor] Warm; pungent, bitter. [Meridian Tropism] Lung meridian. [Actions] To moisten the lung, direct qi downward, resolve phlegm and suppress cough. [Indications] Profuse sputum, wheezing, acute or chronic cough, cough caused in consumptive disease with hemoptysis. | |||||
Chemical constituent | Triterpenoids (*C1, C2): Shionone, Epifriedelinol, Friedelin Flavones & Flavonols (*C1, C2): Quercetin | |||||
Chemical structure |
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Pharmacological effect | Bacteriostatic (Gram-negative bacteria such as colibacillus,Salmonella typhi,paratyphoid bacillus,Pseudomonas aeruginosae,Vibrio cholerae, etc.) | |||||
DNA sequence | AF245439; Traditioal Medical & Parmaceutical Database. | |||||
Classical reference (Chinese Herbal Classic "Zhenglei bencao") | ※Click this image to see the actual image | |||||
Disease | Cough, Expectoration of sputum, Asthma | |||||
Formulation | Kyososan, Shionsan, Shijunto, Fuhishomyakusankabyakukyu, Yakammaoto, Ikeigoshijunto | |||||
Related drugs | Shanziwan (Yingziwan) (see "Remarks") | |||||
References | Non-JPS2022: The Japanese standards for non-Pharmacopoeial crude drugs 2022. CP2020: Pharmacopoeia of the People's Republic of China 2020 edi. C1) The Encyclopedia of Wakan-Yaku with Color Pictures Vol. I, P 161-163. C2) Outline of Pharmacognosy, a Textbook,P217. | |||||
Remarks | There are two commodities in the market now. One is "Ziwan (Ruanziwan)" and the other is "Shanziwan (Yingziwan)". The real "Shanziwan" is the subterranean part of Ligularia fischeri Turcz.(Jap. name: Otakarako) and other species of family Compositae. Though there are other "Ziwans" which originate form family Ranunculaceae, Rosaceae, Liliaceas, etc., they are fake. | |||||
Last renewal date | 2022/08/29 | |||||