UPLC-ELSD 法测定芪白平肺胶囊中人参皂苷 Rb1的含量 |
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引用本文: | 孙肖琛,王芳,孟楣,张贺,陈娟,李泽庚.UPLC-ELSD 法测定芪白平肺胶囊中人参皂苷 Rb1的含量[J].安徽医药,2015(7):1268-1271. |
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作者姓名: | 孙肖琛 王芳 孟楣 张贺 陈娟 李泽庚 |
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作者单位: | 1. 安徽中医药大学; 安徽中医药大学第一附属医院,国家中医药管理局中药制剂三级实验室,安徽 合肥 230031;2. 安徽中医药大学;3. 安徽中医药大学第一附属医院,国家中医药管理局中药制剂三级实验室,安徽 合肥 230031;4. 安徽省芜湖市中医院,安徽 芜湖,241000 |
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基金项目: | 安徽省2012年中医发展省级专项 |
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摘 要: | 目的:建立超高效液相色谱—蒸发光散射检测器法(UPLC-ELSD 法)检测芪白平肺胶囊中人参皂苷 Rb1含量的方法。方法UPLC-ELSD 法;色谱柱:Waters Acquity UPLC BEH C18柱(2.1 mm ×50 mm,1.7μm);检测器:Acquity ELSD 检测器;流动相:乙腈—水梯度洗脱;流速:0.3 mL·min -1;进样量:2μL;漂移管温度:80℃;柱温:30℃。结果人参皂苷 Rb1在0.24~1.20μg 范围线性关系较好(r =0.9984,n =5);平均回收率为96.88%(RSD =1.28%)。结论该方法准确、快速,适用于芪白平肺胶囊中人参皂苷 Rb1含量测定。
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关 键 词: | 芪白平肺胶囊 超高效液相色谱-蒸发光散射检测器法 人参皂苷 Rb1 含量测定 |
Determination of Ginsenoside Rb1 in Qibai Pingfei Capsules by UPLC-ELSD |
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Abstract: | Objective To establish a method for the determination of Ginsenoside Rb1 in Qibai Pingfei Capsules by UPLC-ELSD. Methods The UPLC-ELSD method was adopted on Waters Acquity UPLC BEH C18 column (2.1 mm ×50 mm,1.7 μm).The ana-lytes were detected by ELSD.The mobile phase was acetonitrile-water with gradient elution at the flow rate of 0.3 mL·min -1 .The in-jection volume was 2 μL.The drift tube temperature and the column temperature were 80℃ and 30℃,respectively.Results The Gin-senoside Rb1 showed a good linear relationship within the range of 0.24 ~1.20 μg (r =0.998 4,n =5).The average recovery and RSD were 96.88%,1.28% respectively.Conclusion The method is accurate,time-saving and can be used in the determination of Ginsen-oside Rb1 in Qibai Pingfei Capsules. |
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Keywords: | Qibai Pingfei Capsule UPLC-ELSD Ginsenoside Rb1 content determination |
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