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
em Zh
| WPRIM
| ID: wpr-266782
Biblioteca responsável:
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
Assunto principal:
Plantas Medicinais
/
Medicamentos de Ervas Chinesas
/
Cloreto de Sódio
/
Química
/
Tecnologia Farmacêutica
/
Tripterygium
/
Economia
/
Acetatos
/
Métodos
Tipo de estudo:
Health_economic_evaluation
Idioma:
Zh
Revista:
China Journal of Chinese Materia Medica
Ano de publicação:
2003
Tipo de documento:
Article