Characterization of Proanthocyanidins from Parkia biglobosa (Jacq.) G. Don. (Fabaceae) by Flow Injection Analysis — Electrospray Ionization Ion Trap Tandem Mass Spectrometry and Liquid Chromatography/Electrospray Ionization Mass Spectrometry

Author： Tala Viviane Raïssa Sipowo   Candida da Silva Viviane   Rodrigues Clenilson Martins   Nkengfack Augustin Ephrem   Campaner dos Santos Lourdes   Vilegas Wagner  

Publisher： MDPI

E-ISSN： 1420-3049|18|3|2803-2820

ISSN： 1420-3049

Source： Molecules, Vol.18, Iss.3, 2013-03, pp. : 2803-2820

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Abstract

The present study investigates the chemical composition of the African plant Parkia biglobosa (Fabaceae) roots and barks by Liquid Chromatography - Electrospray Ionization and Direct Injection Tandem Mass Spectrometry analysis. Mass spectral data indicated that B-type oligomers are present, namely procyanidins and prodelphinidins, with their gallate and glucuronide derivatives, some of them in different isomeric forms. The analysis evidenced the presence of up to 40 proanthocyanidins, some of which are reported for the first time. In this study, the antiradical activity of extracts of roots and barks from Parkia biglobosa was evaluated using DPPH method and they showed satisfactory activities.

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