SpringerProtocols: Abstract: 9. Capillary Electrophoresis of Tropane Alkaloids and Glycoalkaloids Occurring in Solanaceae Plants

9. Capillary Electrophoresis of Tropane Alkaloids and Glycoalkaloids Occurring in Solanaceae Plants

By: Tommaso R. I. Cataldi³, Giuliana Bianco³

Abstract

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This chapter examines the role of capillary electrophoresis (CE) in the separation of tropane alkaloids, glycoalkaloids, and closely related compounds that have either pharmaceutical value or toxicological effects on humans. The latest significant developments in CE analysis have been selected and critically discussed. When the conventional CE mode was found unable to provide an acceptable selectivity towards the analytes, the addition of either an organic solvent, a chiral selector, or a surfactant to the running buffers was exploited. Likewise, nonaqueous CE (NACE) was also employed to increase solute solubilities and for a better compatibility of this media with mass spectrometry. It turns out that, upon selecting the most appropriate experimental conditions, the CE separation of tropane alkaloids and steroidal glycoalkaloids of Solanaceae plants was successfully accomplished. All major steps involved in the separation and detection of these secondary metabolites in complex samples are described and the relevant aspects of each application are examined with emphasis on the main aspects entailed a typical assay. More applications have yet to be developed in order to encourage more labs to exploit the tremendous potential of capillary electrophoresis.

Affiliation(s): (3) Dipartimento di Chimica, Università degli Studi della Basilicata, Potenza, Italy

Book Title: Capillary Electrophoresis: Methods and Protocols

Series: Methods in Molecular Biology | Volume: 384 | Pub. Date: Jan-04-2008 | Page Range: 171-203 | DOI: 10.1007/978-1-59745-376-9_9

Subject: Cell Biology

Key Words: Capillary electrophoresis - tropane alkaloids - Solanum spp - alkaloids - glycoalkaloids - plant extracts - electrospray ionization mass spectrometry - enantioseparation - micellar elctrokinetic chromatography - isotachophoresis - nonaqueous capillary electrophoresis

References

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