Study on recovery of ethyl acetate after extracting tripterygium wifordii extractum with ethyl acetate / 中国中药杂志
China Journal of Chinese Materia Medica
;
(24): 226-228, 2003.
Article
in Chinese
| WPRIM
| ID: wpr-266782
ABSTRACT
<p><b>OBJECTIVE</b>To increase the recovery rate of ethyl acetate after extracting tripterygium wifordii extractum and to decrease product cost.</p><p><b>METHOD</b>After extracting tripterygium wifordii extractum with ethyl acetate, 3 times saturated salt water was added in it so as to recovery ethyl acetate distilled under normal atmospheric pressure. Ethyl acetate containing salt water was purified through Na2SO4 column.</p><p><b>RESULT</b>Ethyl acetate purified could be used repeatedly and the recovery rate was up to 85%.</p><p><b>CONCLUSION</b>This method is completely adapted for mass production.</p>
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Plants, Medicinal
/
Drugs, Chinese Herbal
/
Sodium Chloride
/
Chemistry
/
Technology, Pharmaceutical
/
Tripterygium
/
Economics
/
Acetates
/
Methods
Type of study:
Health economic evaluation
Language:
Chinese
Journal:
China Journal of Chinese Materia Medica
Year:
2003
Type:
Article
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