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.
Article
in Chinese
| 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.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Chinese Traditional and Herbal Drugs
Year:
1994
Type:
Article
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