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Characterization of spirostanol saponins in Solanum torvum by high-performance liquid chromatography/ evaporative light scattering detector/electrospray ionization with multi-stage tandem mass spectrometry

Tipo de material: TextoTextoSeries ; Rapid Communications in Mass Spectrometry, 22(16), p.2447-2452, 2008Trabajos contenidos:
  • Lu, Y
  • Luo, J
  • Xu, D
  • Huang, X
  • Kong, L
Recursos en línea: Resumen: High-performance liquid chromatography with an evaporative light scattering detector and electrospray ionization multistage tandem mass spectrometry (HPLC/ELSD/ESI-MSn)was used to identify spirostanol saponins in a saponin extract of Solanum torvum. The fragmentation behavior of saponins was studied using ESI-MS1-3 in positive ion mode. The MSn spectra of the [MRH]R ions provide structural information including aglycone type and the nature and sequence of sugars. The use of ELSD allowed the profiling of the nonchromophore-containing saponins in this plant. The MS analysis established in this study with known saponins was successfully applied to tentatively identify two new siprostanol glycosides, neosolaspigenin 6-O-b-D-quinovopyranoside and solagenin 6-O-[b-D-xylopyranosyl-(1!3)-O-b-D-quinovopyranoside]
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Documentos solicitados Documentos solicitados CICY Documento préstamo interbibliotecario Ref1 B-9820 (Browse shelf(Opens below)) Available

High-performance liquid chromatography with an evaporative light scattering detector and electrospray ionization multistage tandem mass spectrometry (HPLC/ELSD/ESI-MSn)was used to identify spirostanol saponins in a saponin extract of Solanum torvum. The fragmentation behavior of saponins was studied using ESI-MS1-3 in positive ion mode. The MSn spectra of the [MRH]R ions provide structural information including aglycone type and the nature and sequence of sugars. The use of ELSD allowed the profiling of the nonchromophore-containing saponins in this plant. The MS analysis established in this study with known saponins was successfully applied to tentatively identify two new siprostanol glycosides, neosolaspigenin 6-O-b-D-quinovopyranoside and solagenin 6-O-[b-D-xylopyranosyl-(1!3)-O-b-D-quinovopyranoside]

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