牛蒡子炮制前后HPLC指纹图谱及牛蒡苷含量比较  被引量:9

The Comparison of HPLC Fingerprints and Arctiin Contents between Crude and Processing Fructus Arctii

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作  者:康凯[1] 窦德强[1] 许亮[1] 刘阳楠[1] 康廷国[1] 

机构地区:[1]辽宁中医药大学药学院,辽宁大连116600

出  处:《中国现代中药》2009年第10期22-25,共4页Modern Chinese Medicine

基  金:国家药典委员会课题-牛蒡子及炒牛蒡子的质量标准修订研究(YD-101;YD-102)

摘  要:目的:应用HPLC对10个地区炮制前后牛蒡子指纹图谱及牛蒡苷含量进行比较。方法:采用Agilent1100series高效液相色谱仪(配有DAD二级管阵列检测器),色谱柱为AgilentEclipse XDB-C18柱(4.6mm×150mm,5μm),以甲醇-0.25%磷酸水为流动相,梯度洗脱,流速1.0mL·min^-1,检测波长254nm。结果:本实验建立的牛蒡子药材及其制品的HPLC指纹图谱相似度均在0.90~1.00。结论:炮制对牛蒡子的HPLC指纹图谱模式有影响:炮制后新增加了2个色谱峰,另外有6个色谱峰的相对峰面积都有所增加,而牛蒡子的主要成分牛蒡苷的含量略降低。本实验建立的HPLC指纹图谱分析方法可用于区分牛蒡子药材生品及制品。Objective: To compare the HPLC fingerprint and arctiin contents between crude and processing Fructus Arctii. Methods: The HPLC method was employed over Agilent Eclipse XDB-C18 (4. 6mm × 150m, 5μm) and methanol-0. 25 % phosphoric acid/water (20:80 to 50:50, linear gradient) as mobile phase, detection wavelength was set at 254. 0 nm. Results: The range of index similarity was between 0. 90 - 1.00 for both crude and processing fructus arctii. Conclusion : Processing has influnced the HPLC icon of Fructus Arctii : There have been two additional peaks emerged and the relative peak area of six peaks have increased after processing. The HPLC fingerprints established in this study can be used for distinguishing crude and processing Fructus Arctii.

关 键 词:牛蒡子 炒牛蒡子 HPLC 指纹图谱 梯度洗脱 相似度分析 

分 类 号:R282.71[医药卫生—中药学] R282.710.2[医药卫生—中医学]

 

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