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Natural antioxidants in emulsions O/W

2020-05-06Journal article Restricted
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dc.contributor.authorEL-GEUNDOUZ, Soukaina
dc.contributor.authorAzza, S.
dc.contributor.authorDandlen, Susana Anahi
dc.contributor.authorMAJDOUB, Nesrine
dc.contributor.authorLyoussi, Badiaa
dc.contributor.authorRaposo, Sara
dc.contributor.authorGomes, Vera
dc.contributor.authorBankova, Vassya
dc.contributor.authorPopova, Milena
dc.contributor.authorAntunes, Maria Dulce
dc.contributor.authorMiguel, Maria Graca
dc.date.accessioned2020-05-26T19:30:07Z
dc.date.available2020-05-26T19:30:07Z
dc.date.issued2020-05-06
dc.description.abstractThis study compared the capacity of propolis extract (PE) and thyme waste extract (TWE) to prevent the oxidation of oil in water (O/W) emulsion, as well as their impact on emulsion apparent viscosity (AV) in the presence of wheat germ and almond oils as lipid phase. For this, central composite design (CCD) and principal component analysis (PCA) were performed. Oxidation process was monitored by evaluating the formation of primary and secondary lipid oxidation products, at the same time the AV behavior was determined evaluating consistency index and flow behavior index. The results revealed that the increase of PE% and TWE% decreases TBARS (Thiobarbituric Acid Reactive Substances) and hydroperoxides formation. Viscosity increases with the rise of TWE% over (0.04%), whereas lower concentrations of PE% decreases it. Those results have been confirmed in the PCA analysis. TWE showed higher resistance to oxidation, although PE was more effective as antioxidant than TWE.pt_PT
dc.description.sponsorshipUIDB/05183/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/acceptedVersionpt_PT
dc.identifier.doi10.1515/znc-2020-0003pt_PT
dc.identifier.issn1865-7125
dc.identifier.urihttp://hdl.handle.net/10400.1/13948
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherDe Gruyterpt_PT
dc.relation.publisherversionhttps://www.degruyter.com/view/journals/znc/ahead-of-print/article-10.1515-znc-2020-0003/article-10.1515-znc-2020-0003.xmlpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectApparent viscositypt_PT
dc.subjectHydroperoxidespt_PT
dc.subjectPropolispt_PT
dc.subjectTBARSpt_PT
dc.subjectThymept_PT
dc.subjectDieta mediterrânica
dc.titleNatural antioxidants in emulsions O/Wpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMAR%2F00350%2F2013/PT
oaire.citation.titleZeitschrift fur Naturforschung. C, Journal of biosciencespt_PT
oaire.fundingStream5876
person.familyNameEl-Guendouz
person.familyNameAAZZA
person.familyNameMAJDOUB
person.familyNameRaposo
person.familyNameAntunes
person.familyNameMiguel
person.givenNameSoukaina
person.givenNameSmail
person.givenNameNesrine
person.givenNameSara
person.givenNameMaria Dulce
person.givenNameMaria
person.identifierhttps://scholar.google.com/citations?user=CYBI8q8AAAAJ&hl=fr
person.identifier1426445
person.identifier177556
person.identifier.ciencia-id3E11-53A1-4D90
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person.identifier.ciencia-idC11B-9B05-217E
person.identifier.orcid0000-0002-3341-9452
person.identifier.orcid0000-0002-9339-8999
person.identifier.orcid0000-0001-8298-0708
person.identifier.orcid0000-0001-5344-7349
person.identifier.orcid0000-0002-8913-6136
person.identifier.orcid0000-0002-1601-5501
person.identifier.ridL-7630-2017
person.identifier.ridL-3673-2013
person.identifier.ridA-4683-2012
person.identifier.scopus-author-id57190122389
person.identifier.scopus-author-id51664684500
person.identifier.scopus-author-id7801639810
person.identifier.scopus-author-id7102645075
person.identifier.scopus-author-id9941792100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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