超高效液相色谱法同时测定紫黄软膏中阿魏酸和小檗碱含量

杨晓峰,李聃, 代泽友,秦利芬, 李瑞芸,李惠英

Journal of Pediatric Pharmacy(2021)

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Abstract
目的:建立超高效液相色谱(UPLC)法同时测定紫黄软膏中阿魏酸和小檗碱的含量.方法:紫黄软膏制剂水提取液分析采用ACQUITY UPLC BEH C18色谱柱(100 mmx2.1 mm,1.7 μm),体积流量0.3 mL/min,以乙腈-0.05%磷酸二氢钾为流动相,梯度洗脱,检测波长345 nm,柱温35℃,进样量5 μL.结果:阿魏酸和小檗碱在各自范围内线性关系良好,平均加样回收率分别为99.38%和98.90%,RSD分别为2.68%和2.73%.结论:该方法易操作、准确、可靠,可用于紫黄软膏的质量控制.
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