毛细管电泳法对柴胡中柴胡皂甙a与d对映体的分离和测定

被引:8
作者
丁原菊
陆玮洁
主沉浮
高建军
贾炯
机构
[1] 山东大学化学与化工学院
关键词
柴胡; 柴胡皂甙; 环糊精衍生物; 毛细管电泳;
D O I
暂无
中图分类号
R284 [中药化学]; O658.9 [其他];
学科分类号
1008 ; 070302 ; 081704 ;
摘要
利用环糊精衍生物2-O-丙酮基-2-O-羟丙基-环糊精(2-AHP--βCD)作为手性选择剂,提出了一种毛细管电泳快速分离、测定柴胡中柴胡皂甙a,d对映体的方法.考察了手性选择剂浓度、缓冲液浓度及其pH值对分离效果的影响,确定了最佳分离条件.结果表明,在214 nm检测波长处,在硼砂缓冲溶液中,2-AHP--βCD能使柴胡皂甙a,d异构体在7 min内得到分离.利用该法测定了柴胡中柴胡皂甙a,d的含量,并进一步研究了方法的线性范围、检测限及精密度.
引用
收藏
页码:120 / 124
页数:5
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