Relative antioxidant activity of brazilian medicinal plants for gastrointestinal diseases

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorFederal University of Espírito Santo (UFES)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorBonacorsi, Cibele-
Autor(es): dc.creatorda Fonseca, Luiz Marcos-
Autor(es): dc.creatorRaddi, Maria Stella G.-
Autor(es): dc.creatorKitagawa, Rodrigo R.-
Autor(es): dc.creatorSannomiya, Miriam-
Autor(es): dc.creatorVilegas, Wagner-
Data de aceite: dc.date.accessioned2025-08-21T15:19:04Z-
Data de disponibilização: dc.date.available2025-08-21T15:19:04Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2011-09-16-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/226604-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/226604-
Descrição: dc.descriptionThe free radical scavenging capacity of Brazilian medicinal plants and some of their constituents was examined in vitro using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) quantitative assay. Twelve medicinal plants, used to treat gastrointestinal disorders (Alchornea glandulosa, Alchornea triplinervia, Anacardium humile, Byrsonima crassa, Byrsonima cinera, Byrsonima intermedia, Davilla elliptica, Davilla nitida, Mouriri pusa, Qualea grandiflora, Qualea parviflora and Qualea multiflora), were selected because they showed antiulcerogenic activity in previous studies. The radical scavenging methanolic extracts activity demonstrated to be dose-dependent. The efficient concentration, which represents the amount of the antioxidant able of decrease the initial DPPH radical by 50%, vary from < 5 to 17.2 μg/ml. The lowest efficient concentration values among the analyzed plant were shown by A. humile, B. crassa and Q. parviflora. Purified phenolic compounds (amentoflavone, (+)-catechin, methyl gallate, quercetin 3-O-alpha-L-arabinopyranoside, and quercetin 3-O-beta-D-galactopyranoside) were also tested and the greatest antioxidant activities were obtained with (+)-catechin and methyl gallate, similar to quercetin, a phenolic compound used as standard. © 2011 Academic Journals.-
Descrição: dc.descriptionDepartment of Clinical Analysis School of Pharmaceutical Sciences São Paulo State University (UNESP), Araraquara, SP-
Descrição: dc.descriptionDepartment of Pharmaceutical Sciences Federal University of Espírito Santo (UFES), Vitória, ES-
Descrição: dc.descriptionSchool of Arts Sciences and Humanities University of São Paulo (USP), São Paulo, SP-
Descrição: dc.descriptionDepartment of Organic Chemistry Chemistry Institute São Paulo State University (UNESP), Araraquara, SP-
Descrição: dc.descriptionDepartment of Clinical Analysis School of Pharmaceutical Sciences São Paulo State University (UNESP), Araraquara, SP-
Descrição: dc.descriptionDepartment of Organic Chemistry Chemistry Institute São Paulo State University (UNESP), Araraquara, SP-
Formato: dc.format4511-4518-
Idioma: dc.languageen-
Relação: dc.relationJournal of Medicinal Plant Research-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subject2,2-diphenyl-1-picrylhydrazyl (DPPH)-
Palavras-chave: dc.subjectAntioxidant activity-
Palavras-chave: dc.subjectBrazilian medicinal plants-
Palavras-chave: dc.subjectGastric ulcers-
Título: dc.titleRelative antioxidant activity of brazilian medicinal plants for gastrointestinal diseases-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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