Abstract
A new method was performed using on-line coupling of nonchiral reversed-phase liquid chromatography (RP-LC) to circular dichroism (CD) spectroscopy for simultaneous determination of artemisinin and arteannuin B in crude plant extracts of Artemisia annua. Analysis was carried out on an LC–CD system equipped with an Agilent TC-C18 column (4.6 mm I.D. × 200 mm L, 5 μm) using gradient of acetonitrile. The method was validated to be practicable and reliable at alterable wavelength in the ranges of 220–420 nm as desired. LOD and LOQ of artemisinin and arteannuin B were 0.08, 0.26 and 0.31, 1.02 μg mL−1, respectively. It was more sensitive than conventional LC–UV and comparatively cheaper than LC–MS in analysis of TCM.
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Chen, J., Gu, J., Zhao, R. et al. Simultaneous Nonchiral Determination of Artemisinin and Arteannuin B in Artemisia annua Using Circular Dichroism Detection. Chroma 69, 361–363 (2009). https://doi.org/10.1365/s10337-008-0880-3
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DOI: https://doi.org/10.1365/s10337-008-0880-3