ZHANG Xiao-jing, ZHAO Yan-xia, DENG Yan-ru, et al. Simultaneous Determination of Three Components in Bletillae Rhizoma by HPLC[J]. Chinese journal of experimental traditional medical formulae, 2015, 21(21): 40-42.
ZHANG Xiao-jing, ZHAO Yan-xia, DENG Yan-ru, et al. Simultaneous Determination of Three Components in Bletillae Rhizoma by HPLC[J]. Chinese journal of experimental traditional medical formulae, 2015, 21(21): 40-42. DOI: 10.13422/j.cnki.syfjx.2015210040.
militarine 3种成分的含量。方法: 采用Waters Symmetry ShieldTM RP18色谱柱(4.6 mm×250 mm
5 μm)
流动相乙腈(A)-0.05%磷酸水(B)梯度洗脱(0~10 min
5%~20%A; 10~35 min
20%~35%A;35~50 min
35%~100%A)
流速1.0 mL·min-1
检测波长225 nm
柱温25 ℃。结果: 3种成分均能达到基线分离
线性关系良好
加样回收率在95%~105%。结论: 该方法专属性强
灵敏度高、重复性好、简单易行
可用于同时测定白及药材中红果酸
gymnosideⅠ
militarine 3种成分的含量
可为白及药材的质量控制提供依据。
Abstract
Objective: To develop a HPLC method for simultaneous determination of (2R)-2-(p-hydroxybenzyl) malic acid
gymnosideⅠ and militarine contents in Bletillae Rhizoma. Method: The chromatographic conditions were follows:Waters Symmetry ShieldTM RP18column (4.6 mm×250 mm
5 μm)
acetonitrile (A)-0.05% phosphoric acid water (B) as mobile phases for gradient elution (0-10 min
5%-20%A;10-35 min
20%-35%A;35-50 min
35%-100%A). The flow rate was of 1.0 mL·min-1. The detection wavelength was set at 225 nm and the column temperature was 25 ℃. Result: All of the three components achieved baseline separation and showed good linearity. The average recoveries were between 95%-105%. Conclusion: This is a specific
sensitive
repeatable and simple method for simultaneous determination of (2R)-2-(p-hydroxybenzyl) malic acid
gymnosideⅠand militarine contents in Bletillae Rhizoma. This method can provide basis for the quality control of Bletillae Rhizoma.