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Article Publish Status: FREE
Abstract Title:

Characterization of Antileishmanial Compounds fromL. Leaves Using Semi-High Resolution Antileishmanial Profiling Combined with HPLC-HRMS-SPE-NMR.

Abstract Source:

Front Pharmacol. 2017 ;8:337. Epub 2017 May 31. PMID: 28620306

Abstract Author(s):

Kashif Iqbal, Javeid Iqbal, Dan Staerk, Kenneth T Kongstad

Article Affiliation:

Kashif Iqbal

Abstract:

This work describes an analytical platform based on semi-high-resolution antileishmanial profiling combined with hyphenation of high-performance liquid chromatography - high-resolution mass spectrometry - solid-phase extraction - nuclear magnetic resonance spectroscopy, i.e.,HR-antileishmanial assay/HPLC-HRMS-SPE-NMR. The platform enables fast pinpointing of HPLC peaks representinginhibitors in complex matrices, with subsequent structural identification of targeted inhibitors. Active analytes were cumulatively trapped on SPE cartridges and the structures elucidated by analysis of NMR spectra obtained in the HPLC-HRMS-SPE-NMR mode. This led to the identification of six known compounds 2,4,6-trihydroxyacetophenone-2--β-D-glucopyranoside (), lalioside (), luteolin-4'--β-D-glucopyranoside (), apigenin-4'--β-D-glucopyranoside (), luteolin (), and apigenin (). ICof the active compounds were determined with luteolin being the most potent inhibitor with an ICvalue of 4.15μg/ml. The platform proved to be an efficient method for the identification ofinhibitors.

Study Type : In Vitro Study
Additional Links
Pharmacological Actions : Leishmanicidal : CK(38) : AC(24)

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