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Antioxidant activity of Rubus ulmifolius Schott and Trifolium angustifolium L.

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dc.contributor.authorMartins, Ana
dc.contributor.authorBarros, Lillian
dc.contributor.authorFernandes, Ângela
dc.contributor.authorCarvalho, Ana Maria
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2013-09-09T09:37:56Z
dc.date.available2013-09-09T09:37:56Z
dc.date.issued2013
dc.description.abstractRubus ulmifolius Schott (wild blackberry) from Rosaceae and Trifolium angustifolium L. (narrowleaf crimson clover) from Fabaceae are widespread medicinal plants from Portuguese wild flora. These species are common in the Iberian Peninsula, growing spontaneously under conditions of Mediterranean climate and being commonly used in folk medicine[1 ]. 1n Portugal, local consumers consider that the decoctions of R. ulmifolius have anti-inflammatory and analgesic properties and may be administered orally for the treatment of diabetes, diarrhea, and menopause[2]. They are also externally applied to relieve hoarseness, inflamed gums, sores and skin ulcers [2]. T. angustifoliumis a species known for centuries in folk medicine due to its phytochemical characteristics and biological activity. The decoction of its inflorescencesis used to treat stomach affections and to control diarrhea[3].This work aimed to evaluate the antioxidant properties of methanolic extracts and decoctions of R. ulmifolius flower buds and T. angustifolium inflorescences. Four in vitro assays were performed: scavenging effects on DPPH (2,2-diphenyl-1 -picrylhydrazyl) radicals, reducing power, inhibition of ~ -carotene bleaching and inhibition of lipid peroxidation in brain cell homogenates by TBARS (thiobarbituric acid reactive substances) assay. Methanolic extracts proved to have higher antioxidant activity than the corresponding decoctions. R. ulmifolius revealed the highest antioxidant activity in all the assays (EC50:5 70j..lg/ml for the methanolic extract and EC50:5 200j..lg/ml for the decoction). The studied medicinal plants have interesting antioxidant properties that are certainly related to the presence of phenolic compounds (reported in another abstract present to this symposium) and could be explored as a source of antioxidants for food preservation or pharmaceutical uses.por
dc.description.sponsorshipFCT for financial support to CIMO (strategic project PEstOE/ AGR/UI0690/2011 ). L. Barros and A. Fernandes also thank to FCT, POPH-QREN and FSE for their grants (SFRH/BPD/4609/2008 and SFRH/BD/76019/2011, respectively).por
dc.identifier.citationMartins, Ana; Barros, Lillian; Fernandes, Ângela; Carvalho, Ana Maria; Ferreira, Isabel C.F.R. (2013). Antioxidant activity of Rubus ulmifolius Schott and Trifolium angustifolium L. In 1st Symposium on Medicinal Chemistry. Bragapor
dc.identifier.urihttp://hdl.handle.net/10198/8661
dc.language.isoengpor
dc.peerreviewedyespor
dc.relationPEstOE/AGR/UI0690/2011
dc.relationSFRH/BPD/4609/2009
dc.titleAntioxidant activity of Rubus ulmifolius Schott and Trifolium angustifolium L.por
dc.typeconference object
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F76019%2F2011/PT
oaire.citation.conferencePlaceBraga, Portugalpor
oaire.citation.title1st Symposium on Medicinal Chemistry of University of Minhopor
oaire.fundingStreamSFRH
person.familyNameBarros
person.familyNameFernandes
person.familyNameCarvalho
person.familyNameFerreira
person.givenNameLillian
person.givenNameÂngela
person.givenNameAna Maria
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifierID G-7399-2011
person.identifier144781
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-id2015-0434-AE7C
person.identifier.ciencia-idD31A-35AF-E2A9
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0002-0157-9873
person.identifier.orcid0000-0001-5508-5935
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-3600-2013
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id20336503900
person.identifier.scopus-author-id36868826600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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