天冬总皂苷的大孔树脂纯化工艺研究
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篇名: 天冬总皂苷的大孔树脂纯化工艺研究
TITLE:
摘要: 目的:对天冬总皂苷的大孔树脂纯化工艺进行优选。方法:以天冬总皂苷含量等为指标,采用单因素试验考察大孔树脂型号、上样吸附时间、上样液稀释倍数、吸附容量、洗脱溶剂体积分数及用量、洗脱速度,对大孔树脂纯化工艺进行优化,并进行验证试验。结果:HPD-300型大孔树脂对天冬总皂苷吸附及解析能力较强;最优纯化工艺为上样吸附时间60 min,上样液质量浓度0.1 g/mL,吸附容量120 mL(15 BV),使用3 BV的60%乙醇溶液进行洗脱,洗脱速度为4 BV/h。验证试验中总皂苷的平均解析率为68.30%(RSD=0.95%,n=3)。结论:优选的纯化工艺稳定、可行,可较好地分离纯化天冬总皂苷。
ABSTRACT: OBJECTIVE: To optimize the purification technology of total saponins from Asparagus cochinchinensis with macroreticular resin. METHODS: Using content of total saponins from A. cochinchinensis as index, single factor test was used to investigate the macroreticular resin model, sampling adsorption time, mass concentration of the column, adsorption capacity, volume fraction and the amount of elution solvent, elution rate, and optimize the purification technology. And verification test was conducted. RESULTS: HPD-300 macroreticular resin showed strong absorption and desorption property. The optimal purification technology was that sampling adsorption time was 60 min, mass concentration of sample liquid was 0.1 g/mL, adsorption capacity was 120 mL (15 BV), it was eluded with 60% ethanol solution with 3 BV and elution rate was 4 BV/h. In the verification test, the average desorption rate of total saponins was 68.30% (RSD=0.95%, n=3). CONCLUSIONS: Optimized purification technology is stable, feasible, and can easily separate and purify the total saponins from A. cochinchinensis.
期刊: 2017年第28卷第34期
作者: 刘亮,杜江,冯华,丁丽娜,陈东林,周英信
AUTHORS: LIU Liang,DU Jiang,FENG Hua,DING Lina,CHEN Donglin,ZHOU Yingxin
关键字: 天冬;总皂苷;大孔树脂;纯化工艺
KEYWORDS: Asparagus cochinchinensis; Total saponins; Macroreticular resin; Purification technology
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