基于UPLC替代对照品法测定大蒜中大蒜辣素
Chinese Traditional Patent Medicine(2020)
Abstract
目的 基于UPLC建立替代对照品法测定大蒜中的大蒜辣素.方法 新鲜蒜泥甲醇提取物的分析采用Waters Acquity BEH C18柱(2.1 mm×100 mm,1.7 μm);流动相乙腈-0.1%甲酸水溶液;柱温30℃;体积流量0.3 mL/min;检测波长242 nm.结果 大蒜辣素、羟苯乙酯在36.02 ~ 564.74、12.93~ 206.80 μg/mL范围内线性关系良好(r≥0.999 8),加样回收率98.8% ~ 100.9%,定量下限1.73~2.03 mg/kg.外标法与替代对照品法测定结果无统计学差异(P>0.05).结论 该方法准确稳定,重复性好,可用于大蒜的质量控制.
MoreAI Read Science
Must-Reading Tree
Example
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined