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Antioxidant phenolic and quinonemethide triterpenes from Cheiloclinium cognatum

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dc.contributor.authorJeller, A. H.
dc.contributor.authorSilva, DHS
dc.contributor.authorLiao, L. M.
dc.contributor.authorBolzani, Vanderlan da Silva [UNESP]
dc.contributor.authorFurlan, Maysa [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Estadual Mato Grosso Sul
dc.contributor.institutionUniversidade Federal de Goiás (UFG)
dc.date.accessioned2014-05-20T15:21:34Z
dc.date.available2014-05-20T15:21:34Z
dc.date.issued2004-07-01
dc.description.abstractThe triterpenes, 22beta-hydroxypristimerin and cognatine, were isolated together with the known compounds pristimerin, maytenin, 20alpha-hydroxymaytenin, 22beta-hydroxymaytenin, netzahualcoyol, netzahualcoyondiol and netzahualcoyone from root bark of Chei-Ioclinium cognatum. The structures of the isolated compounds were elucidated by interpretation of their spectral data, including gHMQC and gHMBC experiments. The isolates were investigated for their radical scavenging abilities through a spectrophotometric assay involving reduction of 2,2-diphenyl-picryl hydrazyl (DPPH). (C) 2004 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14801900 Araraquara, SP, Brazil
dc.description.affiliationUniv Estadual Mato Grosso Sul, Dept Quim, BR-79804970 Dourados, MS, Brazil
dc.description.affiliationUniv Fed Goias, Inst Quim, BR-74001970 Goiania, Go, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14801900 Araraquara, SP, Brazil
dc.format.extent1977-1982
dc.identifierhttp://dx.doi.org/10.1016/j.phytochem.2004.03.039
dc.identifier.citationPhytochemistry. Oxford: Pergamon-Elsevier B.V., v. 65, n. 13, p. 1977-1982, 2004.
dc.identifier.doi10.1016/j.phytochem.2004.03.039
dc.identifier.issn0031-9422
dc.identifier.lattes4702004904231248
dc.identifier.lattes4484083685251673
dc.identifier.lattes1308042794786872
dc.identifier.urihttp://hdl.handle.net/11449/32701
dc.identifier.wosWOS:000223504100012
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPhytochemistry
dc.relation.ispartofjcr3.186
dc.relation.ispartofsjr1,048
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectCheiloclinium cognatumpt
dc.subjecthippocrateaceaept
dc.subjectquinonemethide triterpenespt
dc.subjectphenolic triterpenept
dc.subjectantioxidant activitypt
dc.titleAntioxidant phenolic and quinonemethide triterpenes from Cheiloclinium cognatumen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes4702004904231248
unesp.author.lattes4484083685251673
unesp.author.lattes1308042794786872
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt
unesp.departmentQuímica Orgânica - IQARpt

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Araraquara - IQAR - Instituto de Química