【摘 要】
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目的:建立牛黄清火丸中黄芩苷的含量测定方法。方法:采用高效液相色谱法。色谱柱:Thermo ODS-2HYPERSIL C _(18)(250mm×4.6 mm,5μm),流动相:甲醇-0.4%磷酸溶液(45:55,V/V),
【机 构】
：
吉林北华大学附属医院,吉林市食品药品检验所,
论文部分内容阅读
目的:建立牛黄清火丸中黄芩苷的含量测定方法。方法:采用高效液相色谱法。色谱柱:Thermo ODS-2HYPERSIL C _(18)(250mm×4.6 mm,5μm),流动相:甲醇-0.4%磷酸溶液(45:55,V/V),流速:1.0 ml·min~(-1),检测波长:312 nm,柱温:30℃。结果:黄芩苷在0.01～0.06 mg·ml~(-1)范围内线性关系良好(r=0.999 6);平均加样回收率为99.06%,RSD=0.8%(n=9)。结论:方法简便易行,结果准确可靠,可适用于牛黄清火丸的质量控制。
Objective: To establish a method for determination of baicalin in Niuhuangqinghuo pill. Method: High performance liquid chromatography. Column: Thermo ODS-2HYPERSIL C_(18)(250mm×4.6mm, 5μm), mobile phase: methanol-0.4% phosphoric acid solution (45:55, V/V), flow rate: 1.0 ml·min~(-1) ), Detection wavelength: 312 nm, Column temperature: 30°C. RESULTS: The linearity of baicalin in the range of 0.01-0.06 mg·ml -1 was good (r=0.999 6). The average recovery was 99.06% and RSD was 0.8% (n=9). Conclusion: The method is simple, accurate and reliable, and can be applied to the quality control of Niuhuangqinghuo pill.
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