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[目的]建立通腹宁颗粒中去氢木香内酯的含量测定方法。[方法]采用高效液相色谱法,色谱柱:Welchrom-C18(250mm×4.6μm);流动相:甲醇-水(65:35);流速:1mL/min;检测波长:225nm;柱温:常温。[结果]回收率RSD=1.11%。检测3批样品通腹宁颗粒中去氢木香内酯含量,限定通腹宁颗粒中去氢木香内酯含量不得低于2.5mg。[结论]高效液相色谱法测定通腹宁颗粒中去氢木香内酯含量,结果准确、可靠,可用于通腹宁颗粒质量控制。
[Objective] To establish a method for the determination of the content of dehydrocostus lactone in Tonguoning Granules. [Method] High performance liquid chromatography (HPLC) was used. Column: Welchrom-C18 (250 mm × 4.6 μm); mobile phase: methanol- water (65:35); flow rate: 1 mL / min; . [Result] The recovery rate was 1.11%. Detection of three batches of samples Tongrening granule dehydrocostus lactone content, limited to Tongbunning granules dehydrocostus lactone content of not less than 2.5mg. [Conclusion] The HPLC method was used to determine the content of dehydrovaryllactone in Tonguoning granule. The results were accurate and reliable and could be used for the quality control of Tonguoning granule.