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Ephedra Herb-1-2
Ephedra Herb-1-2
Ephedra Herb Extract-2 Crude drug name:Ephedra Herb Extract-2
Photo location:Museum of Materia Medica, Inst. of Nat. Med., Univ. of Toyama
Photo date:2009
Photographer:H. Fushimi

Crude drug extract name Ephedra Herb Extract-2       Chemical analysis result
Crude drug name Ephedra Herb
Collection information Tochimototenkaido Co., Ltd. Osaka Japan (Lot.No. 011708001)
Collection date (yy-mm-dd) 2008-09-27
Production area Inner Mongolia Autonomous Region, China
TMPW No. 25948
Sample weight 45.00 g 
Solvent volume 900.00 ml 
Dry weight 6.23 g 
Yield 13.85 % 
Botanical source Ephedra sinica Stapf (Ephedraceae)
Part used Terrestrial stem
Preparation method Weigh accurately about 45g of the crude drug sample, add 900 mL of water (20 times of the sample), and extract with a decoction equipment (UTS-1000, Uchida Wakanyaku, Co., Ltd.). Bring the water to a boil over high heat (10 to 15 minutes) and then continuously simmer it on low heat for totally 1 hour. Filter the solution through a tea strainer and then through a cotton-plugged filter immediately. Leave the filtrate to reach the room temperature (for about 1 to 1 hour and a half). Freeze-dry the filtrate and store it at 4℃.
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Division of Pharmacognosy,
Department of Medicinal Resources,
Institute of Natural Medicine,
University of Toyama
2630 Sugitani, Toyama 930-0194 Japan
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