Highly sensitive liquid chromatographic analysis of artemisinin and its derivatives after pre-column derivatization with 4-carboxyl-2,6-dinitrobenzene diazonium ion

• Autorzy: Adegoke O. A , Xiang L. L , Idowu O. S , Chen D.-Y
• Języki publikacji: EN

Abstrakty

EN

A highly sensitive and reproducible isocratic liquid chromatographic method has been developed for the analysis of artemisinin and its three commonly used derivatives (artesunate, dihydroartemisinin, and artemether). The method involves a precolumn derivatization reaction with 4-carboxyl-2,6-dinitrobenzene diazonium ion to produce azo adducts that are UV-active. The critical parameters for the derivatization such as temperature, reaction time, and reagent concentrations were studied and optimized. The chromatographic separations were carried out on a C-18 column with mobile phase consisting of acetonitrile-0.1% acetic acid (60:40) at a flow rate of 1 mL min−1. UV detection was set at 254 nm. Dynamic linear calibration range was obtained at concentrations of artemisinins ranging from 0.26 to 1.44 μg mL−1. The low limits of detections of artemisinin, artesunate, dihydroartemisinin, and artemether were found to be 0.091, 0.0125, 0.0489, and 0.0128 ng μL−1, respectively. The developed methods were precise (RSD <3%) and accurate (% error < 5%). The developed methods may find application in dosage form analysis and pharmacokinetic studies.

Słowa kluczowe

EN

artemisinin derivatives; 4-carboxyl-2; 6-dinitrobenzene diazonium ion (CDNBD); pre-column derivatization; HPLC

• Wydawca: University of Silesia in Katowice ; Akademiai Kiado
• Czasopismo: Acta Chromatographica
• Rocznik: 2012
• Tom: Vol. 24, no. 3
• Strony: 445--462
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Adegoke O. A

• University of Ibadan Department of Pharmaceutical Chemistry, Faculty of Pharmacy Ibadan Nigeria

autor

Xiang L. L

• Chinese Academy of Sciences Laboratory of Pharmaceutical Analysis, Shanghai Institute of Materia Medica 555 Zuchongzhi Road Shanghai 201203 PR China

autor

Idowu O. S

• University of Ibadan Department of Pharmaceutical Chemistry, Faculty of Pharmacy Ibadan Nigeria

autor

Chen D.-Y

• Chinese Academy of Sciences Laboratory of Pharmaceutical Analysis, Shanghai Institute of Materia Medica 555 Zuchongzhi Road Shanghai 201203 PR China

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