Determination of Baicalin in Qingfeiyihuopian by HPLC
Chunyun Ma
Abstract
Chunyun Ma
Abstract
目的:探讨清肺抑火片的含量测定方法.方法:采用高效液相色谱法(HPLC法)测定清肺抑火片黄芩中黄芩苷的含量.色谱柱为Elite 0DS C18柱(250 mm×4.0 mm,5μm),流动相为甲醇-水-磷酸(45:55:0.2),流速为1 mL/min,检测波长为315 nm.结果:回归方程为Y=85.915 4+2 701.674 3X,r=0.999 3,平均回收率为97.93%,RSD为1.76%(n=6).结论:HPLC法简便、快速、可靠,可用于清肺抑火片的质量控制.
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目的:探讨清肺抑火片的含量测定方法.方法:采用高效液相色谱法(HPLC法)测定清肺抑火片黄芩中黄芩苷的含量.色谱柱为Elite 0DS C18柱(250 mm×4.0 mm,5μm),流动相为甲醇-水-磷酸(45:55:0.2),流速为1 mL/min,检测波长为315 nm.结果:回归方程为Y=85.915 4+2 701.674 3X,r=0.999 3,平均回收率为97.93%,RSD为1.76%(n=6).结论:HPLC法简便、快速、可靠,可用于清肺抑火片的质量控制.
Key concepts: Baicalin, High-performance liquid chromatography, Chromatography, Chemistry, Mathematics