- 1 Nomenclature
- 2 Historical Use of Daphne genkwa
- 3 Background
- 4 Pharmaceutical Information
- 5 Evidence or the Use of Daphne genkwa in the Treatment of Epilepesy
- 6 Safety
Historical Use of Daphne genkwa
Daphne genkwa in Traditional Chinese Medicine
Chinese Name (pinyin): Yuanhua
Chinese Name :
Common Name :Genkwa Flower
Specific Name : Flos genkwa
Collection : The drug is collected in spring before flowering, remove from foreign matter and dried.
Description : Usually 3 - 7 flowers, subtended from 1 - 2 bracts, in cluster in shoots, mostly fallen off and a single flower remained, clavate, frequently curve, 1 - 1.7cm long about 1.5mm in diameter, parianth tube purplish or greyish green externally, densely pubescent, 4 lobe at the apex, lobes purplish or yellowish brown, texture soft, odour slight, taste slightly pungent.
Identification : 1.In surface view: Pollen grains yellow, subpherical, 23 - 45µm in diameter, exine with distinct reticulate sculptures. Lower surface of parianth bearing non-glandular hairs, unicellular, usually curved, 88 - 780µm long, 15 - 23µm in diameter, walls relatively thick, slightly warty.2.Heat under reflux 1g of powder with 10ml of ethanol for 1 hour and filter. Add 1 drop of the filtrate to filter paper and then 1 drop of 1% ferric chloride solution, a dirty green colour is produced. To 1ml of the filtrate, add small quantity of magnesium powder and 1 drop of hydrochloric acid, warm on a water bath if necessary, a red color is produced.
Processing : Eliminate foreign matter.Processed with vinegar: stir fry as described under the method for stir frying with vinegar (Appendix ll D) until vinegar is absorbed entirely using 30kg of vinegar per 100 of Flos Genkwa.
Action : To cause drastic purgation and expel the retained water, and to kill parasites.
Indication : anasarca, hydrothorax and ascites with dyspnea, constipation and oliguria external: scabies, tinea, frostbite
Precautions : Contraindicated in pregnancy. Incompatible with Radix Glycyrrhizae.
Dosage : 1.5 to 3 g. Flos Genkwa (processed with vinegar): To be ground into powder, 0.6 to 0.9 g, once daily.
Storage : Preserve in a ventilated dry place, protected from mould and moth.
Synonymns for Daphne genkwa
Patent Medicines and Medicines with Multiple Ingredients that include Daphne genkwa
Evidence or the Use of Daphne genkwa in the Treatment of Epilepesy
Cohort, Case-Control and Non-Randomized Trials
Randomized Controlled Trials
1st Five Results: pubmed search