双水相体系萃取白英总皂苷
Journal of Shenyang Pharmaceutical University(2012)
Abstract
目的利用双水相萃取技术提取分离白英中的总皂苷。方法以乙醇/硫酸铵为双水相萃取体系,研究乙醇质量分数、硫酸铵质量分数、pH值、温度等因素对萃取效果的影响。结果萃取条件为乙醇质量分数为30%,硫酸铵质量分数为20%,pH=7.0,温度为30℃时,白英总皂苷在两相的分配系数为17.3,回收率为95.2%。结论该方法可用于白英中总皂苷的提取分离。
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Key words
Solanum lyratum Thunb.,total saponin,aqueous two-phase system
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