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正常大鼠体内女贞子红景天苷制备物药代动力学表征研究

Global Traditional Chinese Medicine(2015)

Cited 23|Views14
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Abstract
目的:建立超高效液相色谱法,PDA检测器同时测定大鼠血清中红景天苷及酪醇的含量分析方法,以研究女贞子红景天苷制备物药代动力学表征及其类药特性。方法采用UPLC-PDA色谱法,ACQUITY UPLC H-CLASS T3色谱柱(50 mm ×2.1 mm,1.8μm);流动相:乙腈—水(3︰97),流速0.3 mL/min;柱温25℃。结果入血成分红景天苷Cmax19.29μg/mL、Tmax0.5 h、T1/23.28 h、K0.21,酪醇Cmax0.32μg/mL、Tmax0.75 h,血药浓度比值(酪醇︰红景天苷)最大为2.99︰100,为体外含量比值的9.65倍。结论所建方法简便经济、稳定易行;以入血成分体内外浓度、含量比值动态变化与药代动力学表征关联分析,揭示了女贞子红景天苷制备物类药特性。
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Key words
Salidroside,Tyrosol,Pharmacokinetic,Ultra performance liquid chromatography
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