UFLC-MS/MS法测定句容蝉花中核苷类成分肌苷、尿苷的含量
Chinese Journal of Ethnomedicine and Ethnopharmacy(2020)
Abstract
目的:建立同时测定蝉花中肌苷、尿苷含量的方法.方法:采用Shim-pack XP-ODSⅢ(1.6μm,75 mm×2.0mm)为色谱柱,甲醇-水(5:95)流动相,流速:0.2 mL·min-1,柱温:40℃,进样量:1 μL,多反应监测(MRM)和电喷雾离子化(ESI+).结果:肌苷和尿苷分别在2.04~13.60 ng·mL-1、15.72~104.80 ng·mL-1范围内线性关系良好(R2>0.99).肌苷和尿苷的平均回收率分别为90.58%、91.72%.结论:该方法具有测定快速、选择性好、灵敏高的特点,可用于蝉花的质量控制.
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