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Identification of Flavonoids in The Bark of Alstonia Scholaris by High Performance Liquid Chromatography- Electrospray Mass Spectrometry

  • Rahul Jain
  • S. Chaurasia
  • R. C. Saxena
  • D. K. Jain

Abstract

Alstonia scholaris is traditionally known for its medicinal properties. It contains many phenolic compounds that may have potential as antioxidant. High performance liquid chromatography coupled with electrospray mass spectrometry (LC-ESI/MS) was used for the identification of flavonoids in the bark of Alstonia scholaris. Mobile phase used in the chromatographic separation was 2mM ammonium acetate buffer (solvent-A, pH-2.5 with acetic acid) and acetonitrile (solvent-B) with gradient programming. The peaks were identified by the comparison of retention time, UV-vis spectroscopic and mass spectrometric data with authentic standards and/or literature data. The identified flavonoids included three anthocyanins (cyanidin 3-O-galactoside, cyanidin 3-O-glucoside and malvidin 3-O-glucoside) and three flavonol glycoside (quercetin 3-O-galactoside, quercetin 3-O-glucoside and kaempferol 3-O-glucoside).

Keywords

Authentic Standard High Antioxidant Activity Bark Extract Electrospray Mass Spectrometry Flavonol Glycoside 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Rahul Jain
    • 1
  • S. Chaurasia
    • 1
  • R. C. Saxena
    • 1
  • D. K. Jain
    • 1
  1. 1.Pest control and Ayurvedic Drug Research LabS. S. L. Jain P. G. CollegeVidishaIndia

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