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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Original plant name | Daphne genkwa Siebold et Zuccarini, (Fujimodoki, (Chōjizakura)) | |||||
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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 | |||||