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Type: Artigo de periódico
Title: Antioxidant activity of Annona crassiflora: Characterization of major components by electrospray Ionization mass spectrometry
Author: Roesler, R
Catharino, RR
Malta, LG
Eberlin, MN
Pastore, G
Abstract: The polar components of Annona crassiflora pulp, peel and seeds ethanolic extracts were investigated by direct infusion electrospray ionization mass spectrometry (ESI-MS) both in the negative ion mode. Characteristic ESI mass spectra with many diagnostic ions were obtained for the extracts, serving for fast and reliable information. The technique provided information of component structures revealing the presence of important bioactive components widely reported as potent antioxidants such as ascorbic acid, caffeic acid, quinic acid, ferulic acid, xanthoxylin, rutin, caffeoyltartaric acid, caffeoyl glucose and [quercetin+hexose+pentose-H](-1) This is the first report on the composition by ESI-MS of araticum peel and seed ethanolic extracts demonstrating excellent antioxidant activity. (c) 2007 Elsevier Ltd. All rights reserved.
Subject: araticum
electrospray ionization mass spectrometry
total phenols
antioxidant activity
Country: Inglaterra
Editor: Elsevier Sci Ltd
Citation: Food Chemistry. Elsevier Sci Ltd, v. 104, n. 3, n. 1048, n. 1054, 2007.
Rights: fechado
Identifier DOI: 10.1016/j.foodchem.2007.01.017
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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