凉血平痤膏质量标准研究

Yang Jing, Fu Kaijun, Cao Chang'e, Deng Yi,Bao Yunhui,Lyu Suozhong, Li Mengying

Asia-Pacific Traditional Medicine(2023)

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Abstract
目的:建立中药制剂凉血平痤膏的质量标准.方法:采用薄层色谱法对凉血平痤膏中栀子进行定性研究.采用高效液相色谱法测定凉血平痤膏中栀子苷的含量,色谱条件:以十八烷基硅烷键合硅胶为填充剂,乙腈-0.2%磷酸水溶液(10:90)为流动相,流速为1.0mL/min,柱温:40℃,检测波长238nm,进样量10μL.结果:薄层色谱结果显示,样品和对照品在相同位置显示相同颜色的斑点,斑点清晰,分离效果好且无阴性干扰.凉血平痤膏中栀子苷在20.148 25~322.372μg/mL范围内具有良好线性关系,精密度、稳定性(24 h)、重复性试验RSD均小于3.0%,加样回收率为98.20%~101.08%,平均回收率为99.93%,RSD=1.28%.结论:建立了凉血平痤膏中栀子苷的薄层鉴别方法和含量测定方法,该方法简便、准确、重现性好,可为凉血平痤膏的质量控制提供实验依据.
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Key words
Liangxue Pingcuo Ointment,Geniposide,Quality Standard,TLC,HPLC
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