Publicação: 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
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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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Antiradical, Fabaceae, FIA-ESI-IT-MSn, HPLC/ESI-MS, Parkia biglobosa, Proanthocyanidins, antioxidant, plant extract, proanthocyanidin, bark, chemistry, flow injection analysis, plant root, tandem mass spectrometry, Antioxidants, Flow Injection Analysis, Plant Bark, Plant Extracts, Plant Roots, Tandem Mass Spectrometry
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Inglês
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Molecules, v. 18, n. 3, p. 2803-2820, 2013.
