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机构地区:[1]天津中医药大学,天津市中药化学与分析重点实验室,天津300193
出 处:《天津中医药》2014年第3期168-172,共5页Tianjin Journal of Traditional Chinese Medicine
基 金:国家自然科学基金项目(81073033);国家重点基础研究发展计划项目(2009CB523003)
摘 要:[目的】建立高效液相色谱(HPLC)法同时测定金银花及金芪降糖片中新绿原酸、隐绿原酸、绿原酸、咖啡酸、木犀草苷、芦丁、金丝桃苷、异绿原酸A、异绿原酸C9种成分的含量。【方法】色谱柱为WaterssymmetryshieldTMRPl8柱(250mmx4.6mm,5Ixm),流动相为乙腈(A)-水(0.1%磷酸,B),线性梯度洗脱:0-5min,10%~13%A;5—20rain,13%~15%A;20-30min,15%~18%A;30--45min,18%~20%A;45~52min,20%-23%A;52--70min,23%A,体积流量1.0mlJmin,检测波长327nm;柱温25℃。[结果】9种成分均能达到基线分离,线性关系良好,加样回收率在95%~105%。在该方法下测定了16批金银花药材、11批金芪降糖片中9种成分的含量。【结论】该法专属性强、灵敏度高、重复性好、简便易行,可用于同时测定金银花及金芪降糖片中新绿原酸、隐绿原酸、绿原酸、咖啡酸、木犀草苷、芦丁、金丝桃苷、异绿原酸A、异绿原酸C9种成分的含量,可为金芪降糖片的现代制剂研究和质量控制提供依据。[Objective] To develop a HPLC method for simultaneous determination of neochlorogenic acid, cryptochlorogenic acid, chlorogenic acid, caffeic acid, eynaroside, rutin, hyperoside, isochlorogenic acid A and isochlorogenie acid C in Lonicerae Japonicae Flos and Jinqi Jiangtang tablet. [Methods] The chromatographic conditions were follows: Waters Symmetry Shield TM RP18 column (250 mm× 4.6 mm, 5 μm), acetonitrile (A) and water ( 0.1% phosphoric acid, B) as mobile phases for gradient elution, 0-5 min, 10%-13% A, 5- 20 min, 13%-15% A;20-30 rain, 15%-18% A;30-45 min, 18%-20% A;45-52 min,20%-23% A;52-70 min,23% A; the flow rate being 1.0 mL/min. The detection wavelength was set at 327 nm and the column temperature was 25 ℃. [Results] The results showed that nine components were well separated and showed good linearity. The average recoveries were between 95%-105%. [Conclusion] This is a specific, sensitive, repeatable and simple method for simultaneous determining neochlorogenic acid, eryptochlorogenic acid, chlorogenic acid, eaffeie acid, cynaroside, rutin, hyperoside, isochlorogenic acid A and isochlorogenic acid C in Lonicerae Japonicae Flos and Jinqi Jiangtang tablet. The method can be available for the quality control of Jinqi Jiangtang tablet.
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