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Ceratonia siliqua L. hydroethanolic extract obtained by ultrasonication: antioxidant activity, phenolic compounds profile and effects in yogurts functionalized with their free and microencapsulated forms

2016Journal article Open access
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dc.contributor.authorRached, Irada
dc.contributor.authorBarros, Lillian
dc.contributor.authorFernandes, Isabel P.
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorRodrigues, Alírio
dc.contributor.authorFerchichi, Ali
dc.contributor.authorBarreiro, M.F.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.date.accessioned2016-10-03T10:31:38Z
dc.date.available2016-10-03T10:31:38Z
dc.date.issued2016
dc.description.abstractBioactive extracts were obtained from powdered carob pulp through an ultrasound extraction process and then evaluated in terms of antioxidant activity. Ten minutes of ultrasonication at 375 Hz were the optimal conditions leading to an extract with the highest antioxidant effects. After its chemical characterization, which revealed the preponderance of gallotannins, the extract (free and microencapsulated) was incorporated in yogurts. The microspheres were prepared using an extract/sodium alginate ratio of 100/400 (mg mg(-1)) selected after testing different ratios. The yogurts with the free extract exhibited higher antioxidant activity than the samples added with the encapsulated extracts, showing the preserving role of alginate as a coating material. None of the forms significantly altered the yogurt's nutritional value. This study confirmed the efficiency of microencapsulation to stabilize functional ingredients in food matrices maintaining almost the structural integrity of polyphenols extracted from carob pulp and furthermore improving the antioxidant potency of the final product.pt_PT
dc.description.sponsorshipThe authors acknowledge FCT (Portugal) for financial support to CIMO (PEst-OE/AGUI0690/2014) and L. Barros (SFRH/BPD/107855/2015) research grants, to FCT/MEC and FEDER under Programme PT2020 for financial support to LSRE (Project UID/EQU/50020/2013), and to QREN, ON2 and FEDER (Projects NORTE-07-0124-FEDER-000014 and NORTE-07-0162-FEDER-000050).pt_PT
dc.identifier.citationRached, Irada; Barros, Lillian; Fernandes, Isabel P.; Santos-Buelga, Celestino; Rodrigues, A.E.; Ferchichi, Ali; Barreiro, M.F.; Ferreira, Isabel C.F.R. (2016). Ceratonia siliqua L. hydroethanolic extract obtained by ultrasonication: antioxidant activity, phenolic compounds profile and effects in yogurts functionalized with their free and microencapsulated forms. Food & Function. ISSN 2042-6496. 7:3, p. 1319-1328pt_PT
dc.identifier.doi10.1039/c6fo00100apt_PT
dc.identifier.issn2042-6496
dc.identifier.urihttp://hdl.handle.net/10198/13353
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationProviding industry and consumers with new alternative sources of natural additives from plant origin in the classes of preservatives and colouring agents: extraction, purification, stabilization and product development
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.titleCeratonia siliqua L. hydroethanolic extract obtained by ultrasonication: antioxidant activity, phenolic compounds profile and effects in yogurts functionalized with their free and microencapsulated formspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleProviding industry and consumers with new alternative sources of natural additives from plant origin in the classes of preservatives and colouring agents: extraction, purification, stabilization and product development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/PEst-OE%2FAGR%2FUI0690%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FEQU%2F50020%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F107855%2F2015/PT
oaire.citation.issue3pt_PT
oaire.citation.startPage1319-28pt_PT
oaire.citation.titleFood & Functionpt_PT
oaire.citation.volume7pt_PT
oaire.fundingStream5876
oaire.fundingStream5876
person.familyNameBarros
person.familyNameFernandes
person.familyNameBarreiro
person.familyNameFerreira
person.givenNameLillian
person.givenNameIsabel P.
person.givenNameFilomena
person.givenNameIsabel C.F.R.
person.identifier469085
person.identifier144781
person.identifier.ciencia-id9616-35CB-D001
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person.identifier.ciencia-id9418-CF95-9919
person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0002-0069-4503
person.identifier.orcid0000-0002-6844-333X
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridJ-3600-2013
person.identifier.ridL-1552-2016
person.identifier.ridL-9802-2014
person.identifier.ridE-8500-2013
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id26323585300
person.identifier.scopus-author-id57188719717
person.identifier.scopus-author-id36868826600
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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