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作 者:罗静[1] 何中燕[1,2] 裴瑾[1] 康亚兰[1] 刘维[1] 陈翠平[1]
机构地区:[1]成都中医药大学,成都611137 [2]四川科伦药物研究院有限公司,成都610071
出 处:《中国实验方剂学杂志》2014年第20期13-16,共4页Chinese Journal of Experimental Traditional Medical Formulae
摘 要:目的:优选橘核中柠檬苦素类物质的大孔树脂纯化工艺.方法:通过静态吸附-洗脱试验综合考察16种不同厂家和极性大孔树脂对橘核中柠檬苦素类物质的纯化效果,筛选最佳树脂型号.通过单因素试验考察HPD-722型大孔树脂对柠檬苦素类物质的动态吸附-洗脱条件,包括清洗剂用量、上样液质量浓度、洗脱剂浓度及用量等.结果:HPD-722型大孔吸附树脂对柠檬苦素类物质的纯化效果最佳;最佳纯化工艺为上样液质量浓度在3.503 3~5.4034 g·L^-1,上样流速1~2 BV·h^-1,样品溶液pH 6,水洗用量1 BV,80%乙醇6 BV为洗脱剂,洗脱流速2 BV·h^-1,洗脱液pH 7;洗脱液中柠檬苦素类物质纯度82.82%,其中柠檬苦素22.53%,诺米林45.90%.结论:采用HPD-722型大孔吸附树脂纯化橘核中柠檬苦素类物质的工艺可行性较高,可有效提高柠檬苦素类物质纯度.Objective:To optimize purification process of limonoids in Citri Reticulatae Semen by macroporous resin.Method:Static adsorption and desorption tests were adopted to select optimal type from 16 kinds of macroporous resin with different manufacturers and polarities.Purification process was optimized by single factor tests.Result:HPD-722 macroporous resin was selected,optimal purification process was as following:the concentration of sample solution between 3.503 3-5.403 4 g ·L^- 1,sampling speed of 1-2 BV ·h^-1,pH of sample solution 6,washed impurity by 1 BV of water and eluted by 6 BV of 80% ethanol with elution rate of 2 BV ·h^-1,eluent pH of 7 ; under these conditions,purity of limonoids was 82.82%,including limonin of 22.53% and nomilin of 45.90%.Conclusion:Limonoids can be purified by HPD-722 macroporous resin,this process can effectively improve the purity of limonoids.
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