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Polygala Root-1-2
Polygala Root-1-2
Polygala Root Extract-2 Crude drug name:Polygala Root 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 Polygala Root Extract-2       Chemical analysis result
Crude drug name Polygala Root
Collection information Tochimototenkaido Co., Ltd. Osaka Pref., Japan (Lot.No. 001408002)
Collection date (yy-mm-dd) 2008-09-27
Production area Shaanxi Prov., China
TMPW No. 25879
Sample weight 45.00 g 
Solvent volume 900.00 ml 
Dry weight 12.66 g 
Yield 28.12 % 
Botanical source Polygala tenuifolia Willdenow (Polygalaceae)
Part used Root, from which the central woody portion has been removed
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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Institute of Natural Medicine,
University of Toyama
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