UFLC-PDA同时快速测定藏药翼首草中5种化学成分的含量

目的：建立同时快速测定藏药翼首草药材中绿原酸、马钱苷、獐牙菜苷、吴茱萸苷、大花双参苷A含量的方法。方法：采用超快速液相色谱仪、Agilent Poroshell 120 SB-C18色谱柱（100 mm＆#215;4.6 mm，2.7μm），柱温30益，流速1.0 mL·min-1，进样量4μL，流动相为：乙腈-0.2%磷酸水溶液，梯度洗脱，检测波长237 nm、325 nm。结果：绿原酸、马钱苷、獐牙菜苷、吴茱萸苷、大花双参苷 A分别在8.72-218.0、1.52-38.0、2.44-61.0、29.36-734.0、3.00-75.0μg·mL-1范围内（r〉.9996，n =6）呈良好线性关系，平均加样回收率分别为99.46%、99.41%、100.14%、98.89%、99.42%，RSD 分别为0.69%、0.66%、0.60%、1.21%、0.64%（n=9）。结论：该方法简便、准确、重复性好，可同时快速测定藏药翼首草中5种化学成分的含量。

Simultaneous Determination of Five Active Chemical Components in Tibetan Medicine Pterocephalus Hookeri Hoeck by UFLC-PDA

This study was aimed to establish an Ultra Fast Liquid Chromatography-Photo Diode Array （UFLC-PDA） method for the simultaneous determination of five chemical components, which included chlorogenic acid, loganin, sweroside, evodia rutaecarpa glycosides and triplostoside A, in Pterocephalus hookeri h eck. Agilent Poroshell 120 SB-C18 （100 mm ＆#237; 4.6 mm, 2.7 μm） was adopted, with acetonitrile-0.2% phosphoric acid solution in gradient elution as the mobile phase at the flow rate of 1.0 mL＆#183;min-1. And the injection volume was 0.4 μL. The detection wavelength was set up at 237 nm and 325 nm. And the column temperature was 30℃. The results showed that the calibration curve was linear within the range of 8.72-218.0, 1.52-38.0, 2.44-61.0, 29.36-734.0, 3.00-75.0μg＆#183;mL-1 （r ＆gt; 0.999 6, n=9） for chlorogenic acid, loganin, sweroside, evodia rutaecarpa glycosides and triplostoside A, respectively. The average recovery rates were 99.46%, 99.41%, 100.14%, 98.89%, and 99.42%, respectively. The RSD was 0.69%, 0.66%, 0.60%, 1.21%, and 0.64%, respectively （n = 9）. It was concluded that this method was simple, accurate and reproducible, which can be used for the simultaneous determination of the content of five chemical components in P. hookeri.