Biblioteca Digital do Instituto Politécnico de Bragança   Instituto Politécnico de Bragança

Biblioteca Digital do IPB >
Escola Superior Agrária >
Produção e Tecnologia Vegetal >
PTV - Resumos em Proceedings Não Indexados ao ISI/Scopus >

Please use this identifier to cite or link to this item:

Título: Electrochemical characterization of hydroxylated xanthones by cyclic voltammetry
Autor: Santos, Clementina M.M.
Garcia, Beatriz
Silva, Artur
Cavaleiro, José
Fernandes, Eduarda
Issue Date: 2012
Citação: Santos, Clementina M.M.; Garcia, Beatriz; Silva, Artur; Cavaleiro, José; Fernandes, Eduarda (2012) - Electrochemical characterization of hydroxylated xanthones by cyclic voltammetry. In 12th Eurasia Conference on Chemical Sciences. Corfu, Grécia
Resumo: Xanthones constitute a class of oxygenated heterocyclic compounds commonly identified in some higher plant families, fungi and lichens [1]. Their large variety of biological and pharmacological activities encouraged the scientific community for the search and isolation of natural derivatives for therapeutic applications [2]. Consequently, extensive studies have been devoted to the development of synthetic routes for the preparation of these naturally-occurring compounds or other synthetic bioactive derivatives [3,4]. For the present study, xanthones XH1-9 were obtained by synthesis and the diversity of substitution pattern includes the presence of phenolic and catecholic moieties. These structural features are important requisites for the scavenging activity against reactive oxygen and nitrogen species already demonstrated by these molecules [5]. During the last decades, electrochemical studies have been widely used for the evaluation of structure-antioxidant activity relationship of several phenolic compounds [6,7]. Thus, the electrochemical profile of xanthones XH1-9 can provide useful information about their electrochemical reactions, which may be used to predict or explain their biological properties. In this communication we will report the electrochemical characterization by cyclic voltammetry of various hydroxylated xanthones, in physiological conditions. The oxidation potential value versus structure relationship will be highlighted and some considerations about the oxidation mechanism will be presented.
Arbitragem científica: yes
Appears in Collections:PTV - Resumos em Proceedings Não Indexados ao ISI/Scopus

Files in This Item:

File Description SizeFormat
2012 12th Eurasia.pdf929,6 kBAdobe PDFView/Open

Please give feedback about this item
FacebookTwitterDeliciousLinkedInDiggGoogle BookmarksMySpaceOrkut
Formato BibTex mendeley Endnote Logotipo do DeGóis 

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.


© Instituto Politécnico de Bragança - Biblioteca Digital - Feedback - Statistics
Promotores do RCAAP   Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência PO Sociedade do Conhecimento (POSC) Portal oficial da União Europeia