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HPLC-ELSD同时测定平贝母中贝母素甲和贝母素乙含量
引用本文:李慧婷,王冰,韩荣春. HPLC-ELSD同时测定平贝母中贝母素甲和贝母素乙含量[J]. 现代中药研究与实践, 2010, 0(4): 58-60
作者姓名:李慧婷  王冰  韩荣春
作者单位:辽宁中医药大学药学院,辽宁大连116600
基金项目:国家科技基础性工作专项重点项目(SB2007FY020)
摘    要:目的建立同时测定中药材平贝母中贝母素甲、贝母素乙含量的测定方法。方法采用Agilent TC-C18(4.6mm×250mm,5μm)色谱柱,以甲醇-乙腈-0.5%醋酸溶液(8:19:73)为流动相,流速为0.6mL·min-1,蒸发光散射检测器检测。结果贝母素甲、乙的线性范围分别为0.400~3.200mg·mL-1(r=0.9998)和0.304~2.432mg·mL-1(r=0.9999),平均回收率分别为101.6%和102.6%。结论该方法便捷、有效,适用于检测贝母类生物碱等无紫外吸收的化学成分。

关 键 词:平贝母  HPLC-ELSD  贝母素甲  贝母素乙  含量测定

Determination of Peimine and Peiminine in Bulbus Fritiliariae Ussuriensis by HPLC-ELSD
LI Hui-ting,WANG Bing,HAN Rong-chun. Determination of Peimine and Peiminine in Bulbus Fritiliariae Ussuriensis by HPLC-ELSD[J]. Research and Practice on Chinese Medicines, 2010, 0(4): 58-60
Authors:LI Hui-ting  WANG Bing  HAN Rong-chun
Affiliation:(Liaoning University of Traditional Chinese Medicine,Dalian 116600,China)
Abstract:Objective To establish a method for determination the contents of peimine and peiminine in Bulbus fritiliariae ussuriensis.Methods Agilent TC- C18 (4.6 mm×250 mm,5 μm) was used,with ELSD detected,the methanol-acetonitrile-0.5%acetic acid solution(8:19:73)as mobile phase,the flow rate was 0.6 mL·min-1.Results The linear ranges of peimine and peiminine were in 0.400~3.200 mg·mL-1 (r=0.999 8)and 0.304~2.432 mg·mL-1 (r=0.999 9) ,the average recoveries(n=5)were101.6% and 102.6%.Conclusion The method is convenient and effective,it can be used for determination of chemical constituents without ultraviolet absorption.
Keywords:Bulbus fritiliariae ussuriensis  HPLC-ELSD  peimine  peiminine  determination.
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