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dc.contributor.authorPauletti, P. M.-
dc.contributor.authorCastro-Gamboa, I-
dc.contributor.authorSilva, DHS-
dc.contributor.authorYoung, MCM-
dc.contributor.authorTomazela, D. M.-
dc.contributor.authorEberlin, M. N.-
dc.contributor.authorBolzani, Vanderlan da Silva-
dc.identifier.citationJournal of Natural Products. Washington: Amer Chemical Soc, v. 66, n. 10, p. 1384-1387, 2003.-
dc.description.abstractThree new C-glucosylxanthones, 2-(2'-O-trans-caffeoyl)-C-beta-D-glucopyranosyl-1,3,6,7-tetrahydroxyxanthone (1), 2-(2'-O-trans-cinnamoyl)-C-beta-D-glucopyranosyl-1,3,6,7-tetrahydroxyxanthone (2), and 2-(2'-O-trans-coumaroyl)-C-beta-D-glucopyranosyl-1,3,6,7-tetrahydroxyxanthone (3), were isolated from the stems of Arrabidaea samydoides, in addition to three known C-glucosylxanthones, mangiferin (4), 2-(2'-O-benzoyl)-C-beta-D-glucopyranosyl-1,3,6,7-tetrahydroxyxanthone (5), and muraxanthone (6). Their chemical structures were assigned on the basis of MS and 1D and 2D NMR experiments. Xanthones 1-6 showed moderate free radical scavenging activity against 1,1-diphenyl-2-picrylhydrazyl (DPPH) as well as antioxidant activity evidenced by redox properties measured on ElCD-HPLC.en
dc.publisherAmer Chemical Soc-
dc.sourceWeb of Science-
dc.titleNew antioxidant C-glucosylxanthones from the stems of Arrabidaea samydoidesen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionInst Bot-
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)-
dc.description.affiliationUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationInst Bot, Seccao Fisiol & Bioquim Plantas, BR-01061970 São Paulo, Brazil-
dc.description.affiliationUNICAMP, Inst Quim, Thompson Mass Spectroscopy Lab, BR-13083970 Campinas, SP, Brazil-
dc.description.affiliationUnespUNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Natural Products-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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