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Development and validation of a rapid capillary zone electrophoresis method for the determination of aconite alkaloids in aconite roots
Author(s) -
Song JingZheng,
Han QuanBin,
Qiao ChunFeng,
But Paul PuiHay,
Xu HongXi
Publication year - 2009
Publication title -
phytochemical analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 72
eISSN - 1099-1565
pISSN - 0958-0344
DOI - 10.1002/pca.1168
Subject(s) - aconitine , chemistry , capillary electrophoresis , chromatography , aconitum , alkaloid , perchloric acid , quantitative analysis (chemistry) , stereochemistry , organic chemistry
– Aconites, with aconite alkaloids as the major therapeutic and toxic components, are used for the treatment of analgesic, antirheumatic and neurological symptoms. Quantification of the aconite alkaloids is important for the quality control of aconite‐containing drugs. Objective – To establish a validated capillary zone electrophoresis (CZE) method for the simultaneous determination of six major alkaloids, namely aconitine, mesaconitine, hypaconitine, benzoylaconine, benzoylmesaconine and benzoylhypaconine, in crude and processed aconite roots. Methodology – The CZE method was optimised and validated using a stability‐indicating method. The optimised running buffer was a mixture of 200 m m Tris, 150 m m perchloric acid and 40% 1,4‐dioxane (pH 7.8) with the capillary thermostated at 25°C. Results – Using the optimised method, six aconite alkaloids were well separated. The established method showed good precision, accuracy and recovery. Contents of these alkaloids in crude and processed aconites were determined and it was observed that the levels of individual alkaloids varied between samples. Conclusion – The developed CZE method was reliable for the quality control of aconites contained in herbal medicines. The method could also be used as an approach for toxicological studies. Copyright © 2009 John Wiley & Sons, Ltd.

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