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Determination of four phenolic acids in Phyllanthus urinaria from different habitats

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Author:
No author available
Journal Title:
Chinese Traditional and Herbal Drugs
Issue:
10
DOI:
No doi available
Key Word:
叶下珠;没食子酸;柯里拉京;老鹳草素;短叶苏木酚酸;HPLC

Abstract: 目的 建立RP-HPLC同时测定不同产地叶下珠中没食子酸、柯里拉京、老鹳草素和短叶苏木酚酸的方法.方法 采用Diamonsil C18柱(250 mm×4.6 mm,5 μm),以乙腈-0.2%醋酸水溶液为流动相,梯度洗脱,检测波长为270 nm,体积流量1 mL/min,柱温35℃.结果 没食子酸、柯里拉京、老鹳草素和短叶苏木酚酸的线性范围分别为0.062 2~0.622 0 μg(r=0.999 7)、0.130 4~1.304 0μg (r=0.999 4)、0.246 4~2.464 0 μg (r=0.999 2)、0.081 2~0.488 0 μg (r=0.999 3);平均回收率分别为103.62%、101.20%、100.09%、100.27%,RSD分别为1.29%、2.08%、1.40%、2.98%.结论 本测定方法简便、准确、重复性好,可用于叶下珠中没食子酸、柯里拉京、老鹳草素和短叶苏木酚酸的测定.

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