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
en Zh
| WPRIM
| ID: wpr-266782
Biblioteca responsable:
WPRO
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>
Texto completo:
1
Índice:
WPRIM
Asunto principal:
Plantas Medicinales
/
Medicamentos Herbarios Chinos
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Cloruro de Sodio
/
Química
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Tecnología Farmacéutica
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Tripterygium
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Economía
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Acetatos
/
Métodos
Tipo de estudio:
Health_economic_evaluation
Idioma:
Zh
Revista:
China Journal of Chinese Materia Medica
Año:
2003
Tipo del documento:
Article