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HPLC-MS同时测定泽泻中两种泽泻醇的含量

Yu-feng CHI,Xiao-ming WANG,Ling ZHANG,Sha-sha LIN,Hai-qiang JIANG,Hong-lei ZHOU

Shandong Science（2017）

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Abstract
为提高泽泻药材的质量控制水平,建立了泽泻中23-乙酰泽泻醇B和24-乙酰泽泻醇A的高效液相-质谱联用含量测定方法.色谱条件为Halo C18色谱柱(2.1 mm×100 mm,2.7 μm),体积分数0.1％甲酸水-0.1％甲酸乙腈为流动相,梯度洗脱,流速0.3 mL·min-1,柱温30℃;质谱条件为ESI离子源,正离子检测方式,MRM模式,干燥气温度350℃,干燥气流速9L·min-1,雾化器压力241.3 kPa,毛细管电压4000V.测得药材中23-乙酰泽泻醇B和24-乙酰泽泻醇A含量分别为11.459 5μg·g-1,321.823 9μg·g-1.该方法结果准确,重现性好,可用于测定泽泻中两种成分的含量.
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Key words
Rhizoma Alismatis,alisols,HPLC-MS,content determination
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