Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1190, Issue 1-2, Pages 302-306Publisher
ELSEVIER
DOI: 10.1016/j.chroma.2008.02.089
Keywords
chromatographic analysis; CC-ECD; quantification; qinghaosu
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Artemisinin demand has increased sharply since the World Health Organization recommended its use as part of the artemisinin combination therapies in 2001. The area for the crop cultivation has expanded in Africa and Asia and simpler and affordable methods for arternisinin analysis are needed for crop quality control. This work presented a novel chromatographic method of arternisinin analysis using gas chromatography with electron-capture detection. The sample extraction and preparation involved a single-solvent one-step extraction, with samples being analyzed in the extraction solvent directly after extraction. This method was accurate and reproducible with over 97% recoveries. The limit of detection was less than 3 mu g/mL and the limit of quantification was less than 9 mu g/mL, allowing samples as low as 100 mg dry weight to be analyzed for artemisinin. The method can be applied to quality control of commercial plant extracts and to artemisinin-derived pharmaceuticals. (C) 2008 Elsevier B.V. All rights reserved.
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