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Phenolic compounds from irradiated olive wastes: optimization of the heat-assisted extraction using response surface methodology

2021Artigo científico Acesso aberto
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dc.contributor.authorMadureira, Joana
dc.contributor.authorMelgar Castañeda, Bruno
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorMargaça, Fernanda M.A.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorBarros, Lillian
dc.contributor.authorCabo Verde, Sandra
dc.date.accessioned2021-10-12T15:04:18Z
dc.date.available2021-10-12T15:04:18Z
dc.date.issued2021
dc.description.abstractOlive pomace, an environmentally detrimental residue generated during olive oil extraction, contains bioactive compounds in demand by the food industry. To valorize this waste product a suitable yield for the extraction process is required. Heat-assisted extraction of bioactive compounds from olive pomace was optimized by a circumscribed central composite design and response surface methodology. Our previous studies indicated that irradiation could improve 2.4-fold the extractability of the main phenolic compounds from olive pomace. The effect of extraction time, temperature and solvent concentration on the yield of polyphenols from irradiated olive pomace at 5 kGy was tested. Hydroxytyrosol-1- -glucoside, hydroxytyrosol, tyrosol and caffeic acid were quantified by High Performance Liquid Chromatography to calculate the total polyphenol content. The optimal general conditions by RSM modeling were extraction time of 120 min, temperature of 85 C, and 76% of ethanol in water. Using these selected conditions, 19.04 1.50 mg/g dry weight, 148.88 8.73 mg/g extract of total polyphenols were obtained, representing a yield of 13.7%, which was consistent with the value predicted by the model. This work demonstrated the potential of residues from the olive oil industry as a suitable alternative to obtain compounds that could be used as ingredients for the food industry.pt_PT
dc.description.sponsorshipThis work was funded by the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES to C2TN (UIDB/04349/2020), CIMO (UIDB/00690/2020), J.M. (SFRH/BD/136506/2018); L.B. thank the national funding by FCT, P.I., through the institutional scientific employment program-contract; and the European Regional Development Fund (ERDF) through the Regional Operational Program North 2020, within the scope of Project OliveBIOextract (NORTE-01-0247-FEDER-049865). The GIP-USAL is funded by the Strategic Research Programs for Units of Excellence (ref CLU-2018-04) and Consejería de Educación de la Junta de Castilla y León (Project SA093P20).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMadureira, Joana; Melgar, Bruno; Santos-Buelga, Celestino; Margaça, Fernanda M.A.; Ferreira, Isabel C. F. R.; Barros, Lillian; Cabo Verde, Sandra (2021). Phenolic compounds from irradiated olive wastes: optimization of the heat-assisted extraction using response surface methodology. Chemosensors. ISSN 2227-9040. 9:8, p. 1-16pt_PT
dc.identifier.doi10.3390/chemosensors9080231pt_PT
dc.identifier.issn2227-9040
dc.identifier.urihttp://hdl.handle.net/10198/23995
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationCenter for Nuclear Sciences and Technologies
dc.relationMountain Research Center
dc.relationDEVELOPMENT OF FOOD BIOACTIVES THROUGH THE VALORIZATION OF OLIVE OIL PRODUCTION WASTES
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectOlive pomacept_PT
dc.subjectBioactive compoundspt_PT
dc.subjectIonizing radiationpt_PT
dc.subjectHeat-assisted extractionpt_PT
dc.subjectExtraction optimizationpt_PT
dc.titlePhenolic compounds from irradiated olive wastes: optimization of the heat-assisted extraction using response surface methodologypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCenter for Nuclear Sciences and Technologies
oaire.awardTitleMountain Research Center
oaire.awardTitleDEVELOPMENT OF FOOD BIOACTIVES THROUGH THE VALORIZATION OF OLIVE OIL PRODUCTION WASTES
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04349%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F136506%2F2018/PT
oaire.citation.issue8pt_PT
oaire.citation.startPage231pt_PT
oaire.citation.titleChemosensorspt_PT
oaire.citation.volume9pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMelgar Castañeda
person.familyNameFerreira
person.familyNameBarros
person.givenNameBruno
person.givenNameIsabel C.F.R.
person.givenNameLillian
person.identifier144781
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person.identifier.orcid0000-0002-5825-6872
person.identifier.orcid0000-0003-4910-4882
person.identifier.orcid0000-0002-9050-5189
person.identifier.ridE-8500-2013
person.identifier.ridJ-3600-2013
person.identifier.scopus-author-id56725706500
person.identifier.scopus-author-id36868826600
person.identifier.scopus-author-id35236343600
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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