High-performance liquid chromatography-electrospray ionization/tandem mass spectrometry of isofraxidin in Sarcandra glabra / 南方医科大学学报
Journal of Southern Medical University
;
(12): 1821-1823, 2006.
Artículo
en Chino
| WPRIM
| ID: wpr-298260
ABSTRACT
<p><b>OBJECTIVE</b>To establish a method for determining isofraxidin concentrations in Sarcandra glabra and Qingrexiaoyanning capsules with high-performance liquid chromatographic-mass spectrometry.</p><p><b>METHODS</b>Isofraxidin was extracted from Sarcandra glabra and Qingrexiaoyanning capsules with acetic ether and chloroform, respectively, and separated by isocratic reversed-phase chromatography. The mass spectrometric system was operated in multiple reaction monitoring mode. A pair of ions precursor ion m/z 223 with product ion m/z 162 were chosen for the quantification of the analyte.</p><p><b>RESULTS</b>The retention time of isofraxidin was 6.60 min, and the calibration curve was linear over a concentration range from 484 to 9 680 ng/ml. The average recovery was 96.7% and RSD 4.49%, with detection limit of 1 ng/ml.</p><p><b>CONCLUSION</b>The method is rapid, selective and sensitive for determining isofraxidin in Sarcandra glabra and Qingrexiaoyanning capsules.</p>
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Cápsulas
/
Medicamentos Herbarios Chinos
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Química
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Reproducibilidad de los Resultados
/
Cromatografía Líquida de Alta Presión
/
Magnoliopsida
/
Cumarinas
/
Espectrometría de Masa por Ionización de Electrospray
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Espectrometría de Masas en Tándem
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Métodos
Idioma:
Chino
Revista:
Journal of Southern Medical University
Año:
2006
Tipo del documento:
Artículo
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