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Phytochemical characterization, and evaluation of rheological and antioxidant properties of commercially available juices of berries

2018Journal article Restricted access
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dc.contributor.authorLuís, Ângelo
dc.contributor.authorSousa, Sónia
dc.contributor.authorDuarte, Ana Paula
dc.contributor.authorPereira, L.
dc.contributor.authorDomingues, F.C.
dc.date.accessioned2020-01-28T12:24:23Z
dc.date.available2020-01-28T12:24:23Z
dc.date.issued2018
dc.description.abstractThe consumption of berries and their contribution to improving the human health is a subject of considerable interest, have already resulted in several research projects and numerous clinical trials in humans. The main goal of this study was to evaluate the phytochemical composition (total reducing sugars, total phenolics, flavonoids, and anthocyanins) of some commercially-available juices of berries and associating it to their physicochemical (pH, density, and total solids), rheological and antioxidant properties. It was observed that in general, the juices analysed presented great concentrations of polyphenols and anthocyanins; and, in what concerns to their rheological properties, non-Newtonian pseudoplastic fluid characteristics (n <  1) were observed. The antioxidant properties of the juices were evaluated using both the DPPH free radical scavenging assay and the β-carotene bleaching test. Overall, the results of the % Inhibition of DPPH free radical by the tested juices indicate that they possess considerable capacity to scavenge free radicals, resulting in good antioxidant properties. This study demonstrated that the physicochemical properties of the juices influence their rheological behavior; and the phytochemical composition impacts their antioxidant properties. Due to their antioxidant capacities, juices of berries could be considered functional foods.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3233/JBR-170168pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/8806
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectBerriespt_PT
dc.subjectJuicespt_PT
dc.subjectPhytochemicalspt_PT
dc.subjectRheologypt_PT
dc.subjectAntioxidantspt_PT
dc.titlePhytochemical characterization, and evaluation of rheological and antioxidant properties of commercially available juices of berriespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage23pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage11pt_PT
oaire.citation.titleJournal of Berry Researchpt_PT
oaire.citation.volume8pt_PT
person.familyNameLuís
person.familyNameSousa
person.familyNameDuarte
person.familyNamePereira
person.familyNameDomingues
person.givenNameÂngelo Filipe Santos
person.givenNameSónia
person.givenNameAna Paula
person.givenNameLuísa
person.givenNameFernanda
person.identifier1255684
person.identifier.ciencia-id3D14-798B-65D3
person.identifier.ciencia-idBC15-D376-80FE
person.identifier.ciencia-id4F15-1868-D001
person.identifier.ciencia-id6514-0498-3E8F
person.identifier.orcid0000-0003-0712-6522
person.identifier.orcid0000-0002-7263-9618
person.identifier.orcid0000-0003-3333-5977
person.identifier.orcid0000-0002-9068-4607
person.identifier.orcid0000-0002-9540-0853
person.identifier.ridB-5904-2009
person.identifier.ridN-7295-2013
person.identifier.scopus-author-id7005854536
person.identifier.scopus-author-id7102602131
person.identifier.scopus-author-id10839238300
person.identifier.scopus-author-id10139481400
rcaap.embargofctCopyright cedido à editora no momento da publicaçãopt_PT
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationa2d7c872-99db-41e1-9bc9-82c2d47b4661
relation.isAuthorOfPublication6870b693-652f-4b26-b142-28322871e1e1
relation.isAuthorOfPublication971779ac-7c22-4f69-8bdd-4e0ec442ef2d
relation.isAuthorOfPublication604e508e-9f4e-4950-b2a4-1b06c7192afe
relation.isAuthorOfPublication8d5fe6e2-21af-4557-9c46-84103254a18a
relation.isAuthorOfPublication.latestForDiscovery6870b693-652f-4b26-b142-28322871e1e1

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