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Determination of scutellarin in Erigeron breviscapus from different places by HPLC

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Author:
No author available
Journal Title:
JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY
Issue:
9
DOI:
10.3321/j.issn:1000-2790.2006.09.004
Key Word:
灯盏乙素;高效液相色谱法;灯盏细辛

Abstract: 目的:建立测定不同产地灯盏细辛中灯盏乙素含量的方法. 方法:采用高效液相色谱法,以ZODBAX-C18 (4.6 mm×150 mm,5 μm)为色谱柱,流动相为甲醇-0.02 mol/L,磷酸缓冲液pH为5.2(35∶ 65),检测波长为335 nm,流速0.8 mL/min,柱温25℃,以外标法测定灯盏细辛中灯盏乙素含量. 结果:灯盏乙素在0.74~3.70 μg范围内与峰面积呈良好线性关系,r=0.999 6,灯盏乙素平均加样回收率为97.24%,RSD为0.82%(n=6). 结论:本方法可靠性高,准确性和重现性好,适用于灯盏细辛中灯盏乙素的含量测定.

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