Radical scavenging capacity of Piper arboreum and Piper tuberculatum (Piperaceae)

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorRegasini, Luis O.-
Autor(es): dc.creatorCotinguiba, Fernando-
Autor(es): dc.creatorSiqueira, Janaina R.-
Autor(es): dc.creatorBolzani, Vanderlan S.-
Autor(es): dc.creatorSilva, Dulce H.S.-
Autor(es): dc.creatorFurlan, Maysa-
Autor(es): dc.creatorKato, Massuo J.-
Data de aceite: dc.date.accessioned2025-08-21T23:44:41Z-
Data de disponibilização: dc.date.available2025-08-21T23:44:41Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2008-12-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/225448-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/225448-
Descrição: dc.descriptionIn the scope of our ongoing researchers on antioxidant compounds, twenty four extracts and fractions obtained from Piper arboreum Aublet and Piper tuberculatum Jacq. (Piperaceae) were screened for radical scavenging capacity (RSC) by using DPPH colorimetric assay. The strongest activity was found in ethyl acetate fractions from the leaves of P. arboreum (IC50 = 5.70 μg/mL) and P. tuberculatum (IC50 = 8.40 μg/mL). Hydromethanol fractions of the leaves of P. tuberculatum and P. arboreum showed moderate RSC, with values of IC50 (μg/mL) of 11.9 and 19.2, respectively. Additionally, a brief phytochemical study of the ethyl acetate fraction of P. arboreum leaves affording quercetin (1) and quercitrin (2), two flavonols with antioxidant activity previously described in the literature.-
Descrição: dc.descriptionNuBBE Department of Organic Chemistry São Paulo State University, Rua Professor Francisco Degni, SN, 14800-900 Araraquaru, SP-
Descrição: dc.descriptionInstitute of Chemistry São Paulo University, São Paulo, SP-
Descrição: dc.descriptionNuBBE Department of Organic Chemistry São Paulo State University, Rua Professor Francisco Degni, SN, 14800-900 Araraquaru, SP-
Formato: dc.format900-903-
Idioma: dc.languageen-
Relação: dc.relationLatin American Journal of Pharmacy-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAntioxidant-
Palavras-chave: dc.subjectDPPH-
Palavras-chave: dc.subjectPiper arboreum-
Palavras-chave: dc.subjectPiper tuberculatum-
Palavras-chave: dc.subjectPiperaceae-
Palavras-chave: dc.subjectRadical Scavenging Capacity-
Título: dc.titleRadical scavenging capacity of Piper arboreum and Piper tuberculatum (Piperaceae)-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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