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Composition and in vitro antioxidants activity of Chamaerops Humilis L.

2017Conference object Restricted
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dc.contributor.authorCoelho, Jose P.
dc.contributor.authorVeiga, Jerson G.
dc.contributor.authorElvas-Leitao, Ruben
dc.contributor.authorBrigas, Amadeu
dc.contributor.authorDias, Ana M.
dc.contributor.authorOliveira, Maria C.
dc.contributor.editorMorgado, M.
dc.contributor.editorBernardes, R.
dc.contributor.editorAmador, M.
dc.contributor.editorAfonso, P. M.
dc.date.accessioned2019-11-20T15:08:02Z
dc.date.available2019-11-20T15:08:02Z
dc.date.issued2017
dc.description.abstractThe aim of this work is to evaluate the polyphenols composition and the antioxidant activity of methanol extracts of Chamaerops humilis L. Methanol extracts from dried leaves of Chamaerops humilis were prepared using Soxhlet extraction and examined as potential sources of phenolic compounds. Different methods were used to evaluate antioxidant activity of the extracts, including colored (ABTS*+), DPPH radical scavenging assay and reducing power. Total phenolic and flavonoid contents of the extracts were evaluated by Folin-Ciocalteu and aluminum chloride (AlCl3) methods, respectively. Phenolic compositions of the methanol extracts were elucidated by high performance liquid chromatography coupled on-line with tandem mass spectrometry (HPLC-MS/MS). The extract was mainly composed of C-and O-flavones and its O-methylated derivatives. The results suggest that methanol extracts have good potential as sources of bioactive compounds and presents an important antioxidants capacity, which can ensures its potential recommendation for application in the pharmaceutical and nutraceutical sectors.
dc.description.sponsorshipFundacdo para a Ciencia e a Tecnologia (FCT) [UID/QUI/00100/2013, UID/MULTI/00612/2013, REM2015]
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.isbn978-1-5090-4801-4
dc.identifier.urihttp://hdl.handle.net/10400.1/13331
dc.language.isoeng
dc.peerreviewedyes
dc.publisherIeee
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectExtracts
dc.titleComposition and in vitro antioxidants activity of Chamaerops Humilis L.
dc.typeconference object
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00100%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F00612%2F2013/PT
oaire.citation.conferencePlaceUniv Coimbra, Fac Med, Coimbra, Portugal
oaire.citation.title2017 Ieee 5th Portuguese Meeting on Bioengineering (Enbeng)
oaire.citation.title5th Ieee Portuguese Meeting on Bioengineering (Enbeng)
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNameBrigas
person.givenNameAmadeu
person.identifier.orcid0000-0003-4875-4453
person.identifier.ridE-1897-2012
person.identifier.scopus-author-id6701450565
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typeconferenceObject
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relation.isProjectOfPublicationeb2b096f-1272-4404-afed-801a53ce0157
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