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
de Zh
| WPRIM
| ID: wpr-266782
Bibliothèque 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>
Texte intégral:
1
Base de données:
WPRIM
Sujet principal:
Plantes médicinales
/
Médicaments issus de plantes chinoises
/
Chlorure de sodium
/
Chimie
/
Technologie pharmaceutique
/
Tripterygium
/
Économie
/
Acétates
/
Méthodes
Type d'étude:
Health_economic_evaluation
Aspects:
Determinantes_sociais_saude
Langue:
Zh
Journal:
China Journal of Chinese Materia Medica
Année:
2003
Type de document:
Article