复方天麻止痛颗粒质量标准研究
China Pharmaceuticals(2014)
Abstract
目的:制订复方天麻止痛颗粒的质量标准。方法采用薄层色谱(TLC)法鉴别方中川芎、桃仁、赤芍及红花;采用高效液相色谱法(HPLC)测定天麻素的含量,色谱条件为Hyperisil ODS C18柱(200 mm ×4.6 mm,5μm),流动相为甲醇-0.1%磷酸(11:89),流速1.0 mL/min,检测波长222 nm,柱温30℃。结果 TLC色谱中斑点清晰,易于识别。HPLC法精密度、重现性良好,天麻素进样量在0.08~0.44μg范围内与峰面积具有良好的线性关系,平均回收率为98.13%,RSD=0.77%( n=6)。结论该方法准确、可靠,可有效控制复方天麻止痛颗粒的质量。
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Key words
Compound Gastrodia Elata Analgesic Granules,TLC,HPLC:quality standard
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