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The powerful in vitro bioactivity of Euterpe oleracea Mart. seeds and related phenolic compounds

2015Journal article Open access
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dc.contributor.authorBarros, Lillian
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorQueiroz, Maria João R.P.
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorSantos, Elândia A.
dc.contributor.authorRegis, Wiliam C.B.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2015-11-30T10:52:11Z
dc.date.available2015-11-30T10:52:11Z
dc.date.issued2015
dc.description.abstractThe Euterpe oleracea Mart. (açaí) is a plant from the Amazon region, classified as "super fruit" because of its various functional properties. However, limited investigation has been performed on açaí by-products, such as seeds. Therefore, the aim of this work was to characterized the phenolic compounds of the aqueous extract of açaí seeds and further evaluate its bioactivity (antioxidant and cytotoxic activities. Only proanthocyanidins were detected, being a B-type (epi)catechin tetramer the most abundant; however, procyanidin trimmers were the most predominant form. Açaí seeds extract revealed a high antioxidant (EC50 ranging from 3.6 to 19.4 μg/mL) and cytotoxic activity, being more effective in the cervical carcinoma cell line (HeLa; GI50 = 18 μg/mL); it did not show toxicity for non-tumor cells. Açaí seeds are considered a waste and could have an added economic benefit, through the extraction of natural antioxidants, particularly proanthocyanidins, that could find applications in food and pharmaceutical industries.pt_PT
dc.description.sponsorshipThe authors are grateful to Foundation for Science and Technology (FCT, Portugal) for financial support to the research centre CIMO (strategic project PEst-OE/AGR/UI0690/2011) and L. Barros researcher contract under “Programa Compromisso com Ciência - 2008”. The authors are also grateful to Jamil S. Oliveira by the initial discussions on the preparation of samples.pt_PT
dc.identifier10.1016/j.indcrop.2015.05.086
dc.identifier.citationBarros, Lillian; Calhelha, Ricardo C.; Queiroz, Maria João R.P.; Santos-Buelga, Celestino; Santos, Elândia A.; Regis, Wiliam C.B.; Ferreira, Isabel C.F.R. (2015). The powerful in vitro bioactivity of Euterpe oleracea Mart. seeds and related phenolic compounds. Industrial Crops and Products. ISSN 0926-6690. 76, p. 318–322pt_PT
dc.identifier.doi10.1016/j.indcrop.2015.05.086pt_PT
dc.identifier.issn0926-6690
dc.identifier.urihttp://hdl.handle.net/10198/12455
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationStrategic Project - UI 690 - 2011-2012
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectEuterpe oleraceapt_PT
dc.subjectPhenolic characterizationpt_PT
dc.subjectAntioxidant propertiespt_PT
dc.subjectAntitumor activitypt_PT
dc.titleThe powerful in vitro bioactivity of Euterpe oleracea Mart. seeds and related phenolic compoundspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleStrategic Project - UI 690 - 2011-2012
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FAGR%2FUI0690%2F2011/PT
oaire.citation.endPage322pt_PT
oaire.citation.startPage318pt_PT
oaire.citation.titleindustrial Crops and Productspt_PT
oaire.citation.volume76pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBarros
person.familyNameCalhelha
person.familyNameFerreira
person.givenNameLillian
person.givenNameRicardo C.
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id9616-35CB-D001
person.identifier.ciencia-idF313-E3CE-554E
person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0002-6801-4578
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-3600-2013
person.identifier.ridJ-2172-2014
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id6507978333
person.identifier.scopus-author-id36868826600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication2d5d1a41-7561-4a01-871c-b4c97da35053
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