摘要
目的建立肾康栓中丹酚酸B的含量测定方法及HPLC指纹图谱。方法采用HPLC法,色谱柱为Agilent Eclipse XDB-C_(18)(250mm×4.6mm,5μm);甲醇-1mL·L~(-1)甲酸溶液为流动相,梯度洗脱;流速为1.0mL·min~(-1);检测波长为286nm;柱温为30℃。结果建立了肾康栓的HPLC指纹图谱,共标定16个共有峰并进行归属,10批样品中丹酚酸B含量在1.925~4.259mg·粒~(-1)之间。结论该方法建立的指纹图谱灵敏度高、稳定性好,为肾康栓的质量控制提供了科学依据。
Objective To establish an HPLC method for the content determination of salvianolic acid B and to establish the chromatographic fingerprint of Shenkang Suppositories.Methods The HPLC method was established by emplying Agilent Eclipse XDB-C_(18)(250mm×4.6mm,5μm)column with methanol-1mL·L~(-1 )formic acid solution as mobile phase in a gradient elution mode.The flow rate was 1.0mL·min~(-1).The detection wavelength was 286nm and the column temperature was 30℃.Results The HPLC chromatographic fingerprint of Shenkang Suppositories was established,and 16common peaks were obtained and assigned.For 10batches of samples,the contents of salvianolic acid B ranged from 1.925to 4.259mg·pellet~(-1).Conclusion This method is sensitive and reliable which can be used for the quality control of Shenkang Suppositories.
引文
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