LC-MS & DFT investigations of Cryptolepis sanginolenta root extracts
Ismail, F. M. D., Cox, A. H., Dempster, N. M., Ford, J. L., Dascombe, M. J. and Drew, M. G. B. (2010) LC-MS & DFT investigations of Cryptolepis sanginolenta root extracts. Journal of Pharmacy and Pharmacology, 62 (10). pp. 1489-1490. ISSN 0022-3573
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To link to this article DOI: 10.1111/j.2042-7158.2010.01178.x
The roots of Crytolepis sanguinolenta, a medicinally important ethanobotanical source of the antimalarial cryptolepine, were soxhlet extracted in anaerobic conditions, using hexane then ethanol. Samples of each extract were fractioned using flash chromatography and preparative TLC and compound identity was established using gradient HPLC-positive ion electrospray mass spectrometry. The use of argon depressed the formation of quindoline and hydroxycrytolepine. In addition to known compounds such as cryptolepine, several as yet unidentified compounds remain to be characterised in this root extract.
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