Crude drug sample data base
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Scientific information data base
| Common name | 芫花, Yuanhua, Genkwa Flos (CP2020), Lilac Daphne Flower Bud (CP2020) | |||||
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| crude drug image | 
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| Original plant name | Daphne genkwa Siebold et Zuccarini, (Fujimodoki, (Chōjizakura)) | |||||
| original plant image | 
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| Family name | Thymelaeaceae | |||||
| Used part | flos | |||||
| Quality for selection | Yuanhua consists of only floses harvested before flowering. Good Yuanhua has well ordered floses, strong bitterness and fragrance. (NI) | |||||
| Official compendium | CP (2020 ed.) | |||||
| Clinical application | As a hypercathartic, diuretic and expectorant, Yuanhua is applied for cardiac asthma, anasarca, gastric or duodenal ulcer. Contraindicated for person with a weak constitution and pregnant women. | |||||
| Medical system | Traditional Chinese medicine | |||||
| Drug effect in traditional medicine | Traditional classification | Purgatives for removing water retention | ||||
| Beneficial effect | [Property and Flavor] Warm; bltter and pungent; toxic. [Meridian Tropism] Lung, spleen and kidney meridians. [Actions] To expel retained fluid by purgation; external application: to kill worms to treat sore. [Indications] Edema distention and fullness, hydrothorax and ascites, phlegm-fluid retention, aggregation and accumulation, cough and panting caused by qi counterflow, inhibited of defecation and urination; External application: scabies and tinea, favus, swelling abscess, frostbite. | |||||
| Chemical constituent | Sterols (*C1): Sitosterol Flavones & Flavonols (*C1): Genkwanin, Apigenin, Hydroxygenkwanin Other aromatic derivatives (*C1): Benzoic acid | |||||
| Pharmacological effect | Antifungal (water leaching: cutaneous fungus). Diuresis (decoction). Decrease in the blood pressure, uterine contraction, hyperpnea (genkwanin). Antiussive, expectorant (hydroxygenkwanin). | |||||
| DNA sequence | AF022132 | |||||
| Classical reference (Chinese Herbal Classic "Zhenglei bencao") |  ※Click this image to see the actual image | |||||
| Disease | Ascites, Edema, Oliguria, Constipation, Pleural effusion, Cough, Chest pain, Pain of lateral sides of trunk, Head trichophytosis, Roundworm | |||||
| Formulation | rarely used in formula | |||||
| References | CP2020: Pharmacopoeia of the People's Republic of China 2020 edi. C1)The Encyclopedia of Wakan-Yaku with Color Pictures Vol. II, p 112. | |||||
| Remarks | Yuanhua is often used together with Raohua, the flos of Wikstroemia chamaedaphne Meissn. | |||||
| Last renewal date | 2021/09/27 | |||||

 
  


