HPLC法测定连花清瘟胶囊中苦杏仁苷的含量
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篇名: HPLC法测定连花清瘟胶囊中苦杏仁苷的含量
TITLE:
摘要: 目的:建立测定连花清瘟胶囊中苦杏仁苷含量的方法。方法:采用高效液相色谱法。色谱柱为Phenomenex Kinetex XB-C18,流动相为乙腈-0.2%磷酸溶液(6 ∶ 94,V/V),流速为1.0 ml/min,检测波长为207 nm,柱温为30 ℃,进样量为10 μl。结果:苦杏仁苷检测质量浓度线性范围为43.16~215.80 μg/ml(r=0.999 7);检测限为0.431 6 μg/ml、定量限为1.294 8 μg/ml;精密度、稳定性、重复性试验的RSD≤0.69%;加样回收率为95.16%~100.49%(RSD=1.67%,n=9)。结论:该方法简便、快速、准确度高、重复性好,可用于测定连花清瘟胶囊中苦杏仁苷的含量。
ABSTRACT: OBJECTIVE: To establish a method for the content determination of amygdalin in Lianhua qingwen capsule. METHODS: HPLC was performed on the column of Phenomenex Kinetex XB-C18 with mobile phase of acetonitrile-0.2% Phosphoric acid solution (6 ∶ 94,V/V)at a flow rate of 1.0 ml/min, the detection wavelength was 207 nm, column temperature was 30 ℃, and the injection volume was 10 μl. RESULTS: The linear range of amygdalin was 43.16-215.80 μg/ml (r=0.999 7); the limit of detection was 0.431 6 μg/ml,the limit of quantitation was 1.294 8 μg/ml; RSDs of precision, stability and reproducibility tests no more than 0.69%; recovery was 95.16%-100.49% (RSD=1.67%,n=9). CONCLUSIONS: The method is simple and rapid with high accuracy and well reproducibility, and can be used for the content determination of amygdalin in Lianhua qingwen capsule.
期刊: 2016年第27卷第21期
作者: 毕丹,陈育鹏,王淑静,王贵金,赵倩,魏峰
AUTHORS: BI Dan,CHEN Yupeng,WANG Shujing,WANG Guijin,ZHAO Qian,WEI Feng
关键字: 连花清瘟胶囊;高效液相色谱法;苦杏仁苷
KEYWORDS: Lianhua qingwen capsule; HPLC; Amygdalin
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