1.广东省中医药工程技术研究院,广东 广州 510095
2.广州新华学院 药学院,广东 广州 510520
3.广东省中医药研究开发重点实验室,广东 广州 510095
4.广州中医药大学 第五临床医学院, 广东 广州 510405
胥爱丽,博士,主任中药师,研究方向:中药质量评价研究,E-mail:xal555@163.com
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胥爱丽,曹颖男,张素中等.超高效液相色谱-蒸发光散射检测法同时测定重楼消瘤方中5种皂苷类成分含量[J].分析测试学报,2023,42(02):221-226.
XU Ai-li,CAO Ying-nan,ZHANG Su-zhong,et al.Simultaneous Determination of 5 Saponins in Chonglou Xiaoliu Formula by Ultra Performance Liquid Chromatography Coupled with Evaporative Light Scattering Detection[J].Journal of Instrumental Analysis,2023,42(02):221-226.
胥爱丽,曹颖男,张素中等.超高效液相色谱-蒸发光散射检测法同时测定重楼消瘤方中5种皂苷类成分含量[J].分析测试学报,2023,42(02):221-226. DOI: 10.19969/j.fxcsxb.22101102.
XU Ai-li,CAO Ying-nan,ZHANG Su-zhong,et al.Simultaneous Determination of 5 Saponins in Chonglou Xiaoliu Formula by Ultra Performance Liquid Chromatography Coupled with Evaporative Light Scattering Detection[J].Journal of Instrumental Analysis,2023,42(02):221-226. DOI: 10.19969/j.fxcsxb.22101102.
建立了同时测定抗肿瘤中药复方——重楼消瘤方中重楼皂苷Ⅰ、重楼皂苷Ⅱ、重楼皂苷Ⅶ、柴胡皂苷a、柴胡皂苷d 5种皂苷类成分含量的超高效液相色谱-蒸发光散射检测(UPLC-ELSD)法。复方制剂经甲醇提取,采用Waters Cortecs UPLC C,18,(150 mm × 2.1 mm,1.6 μm)色谱柱分离,乙腈-水为流动相进行梯度洗脱,蒸发光散射检测器进行检测,以外标法定量。结果显示,5种皂苷类成分的分离度良好,分别在7.117 4 ~ 177.94 μg/mL、9.407 2 ~ 235.18 μg/mL、8.872 6 ~ 221.82 μg/mL、7.486 2 ~ 187.15 μg/mL、9.761 3 ~ 244.03 μg/mL范围内线性关系良好,相关系数(,r,)为0.999 2 ~ 0.999 8,检出限为0.7 ~ 1.0 μg/mL,定量下限为1.8 ~ 2.4 μg/mL;平均回收率分别为93.9%、103%、102%、104%、105%,相对标准偏差(RSD)分别为3.8%、4.0%、4.2%、3.6%、3.2%。该方法简便、快速、准确,可同时对重楼消瘤方中的5个皂苷类成分进行分析,能有效地消除杂质干扰,为重楼消瘤方的质量评价提供实验依据。
An ultra performance liquid chromatography(UPLC) coupled with evaporative light scattering detection(ELSD) was established for the simultaneous determination of 5 saponins,i.e.polyphyllin I,polyphyllin Ⅱ,polyphyllin Ⅶ,saikosaponin a and saikosaponin d in Chonglou Xiaoliu Formula. The samples were extracted with methanol, then separated on a Waters Cortecs UPLC C,18,(150 mm × 2.1 mm,1.6 μm) column with acetonitrile-water as the mobile phase by gradient elution,finally determined by ELSD and quantified by external standard calibration method.The results showed that there were good linear relationships for 5 saponins in the ranges of 7.117 4-177.94 μg/mL,9.407 2-235.18 μg/mL,8.872 6-221.82 μg/mL,7.486 2-187.15 μg/mL and 9.761 3-244.03 μg/mL,respectively,with their correlation coefficients(,r,) of 0.999 2-0.999 8.The limits of detection and the limits of quantitation were in the ranges of 0.7-1.0 μg/mL and 1.8-2.4 μg/mL,respectively.The average recoveries were 93.9%,103%,102%,104% and 105%,with their relative standard deviations(RSDs) of 3.8%,4.0%,4.2%,3.6% and 3.2%,respectively.With the advantages of simplicity,rapidness and accuracy,the method could be applied in simultaneous analysis of 5 saponins in Chonglou Xiaoliu Formula and effective elimination of the impurity interference.And it also provides a reference for the quality evaluation on Chonglou Xiaoliu Formula.
重楼消瘤方皂苷类成分超高效液相色谱蒸发光散射
Chonglou Xiaoliu Formulasaponinsultra performance liquid chromatographyevaporative light scattering detection
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