On the Optimization of Extraction Conditions of Tetrandrine and Demethyltetrandrine from Fourstamen Stephania (Stephania tetrandra) / 中草药
Chinese Traditional and Herbal Drugs
;
(24)1994.
Artigo
em Chinês
| WPRIM
| ID: wpr-569348
ABSTRACT
Several factors influencing the extraction of tetrandrine and demethyltetrandrine from Chinese medicinal herbs, Stephania tetrandra S. Moore were studied by means of Ortogonal method. The optimum Condition was eight hours steeping, in 33.3% ammonia in absolute alcohol for four hours under ultrasonic agitation. Tctrandrine aud demethyltetrandrino were detected by HPLC. The contents were 0.678% and 0.616%, the detection limits were 3.87?10-3and 0.48?10-3 mmol/L respectively.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Idioma:
Chinês
Revista:
Chinese Traditional and Herbal Drugs
Ano de publicação:
1994
Tipo de documento:
Artigo
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