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The use of gamma radiation for extractability improvement of bioactive compounds in olive oil wastes

2020Artigo científico Acesso aberto
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dc.contributor.authorMadureira, Joana
dc.contributor.authorDias, Maria Inês
dc.contributor.authorPinela, José
dc.contributor.authorCalhelha, Ricardo C.
dc.contributor.authorBarros, Lillian
dc.contributor.authorSantos-Buelga, Celestino
dc.contributor.authorMargaça, Fernanda M.A.
dc.contributor.authorFerreira, Isabel C.F.R.
dc.contributor.authorCabo Verde, Sandra
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-06-22T10:18:10Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-06-22T10:18:10Z
dc.date.issued2020
dc.description.abstractOlive pomace is an environmentally detrimental waste from olive oil industry, containing large amounts of bioactive compounds that might be used by the food industry. In this work, the effects of gamma radiation on phenolic compounds and bioactive properties (antioxidant, antimicrobial activities and hepatotoxicity) of Crude Olive Pomace (COP) and Extracted Olive Pomace (EOP) extracts were evaluated. Hydroxytyrosol was the main phenolic compound identified in both olive pomace extracts (24–25 mg/g). The gamma radiation treatment of olive pomace improved at least 2-fold the extractability of phenolic compounds. Moreover, results suggested that gamma radiation at 5 kGy increased the antioxidant activity in EOP, while keeping the ability to protect erythrocytes against oxidation-induced haemolysis. Gamma radiation at 5 kGy could be a suitable technology for olive oil pomaceswaste valorization, contributing to enhance extraction of phenolic compounds and bioactive properties, especially when applied on extracted material.
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support to C2TN UID/Multi/04349/2019, CIMO UID/AGR/00690/2019, J. Madureira [SFRH/BD/136506/2018]; L. Barros, J. Pinela and M.I. Dias thank the national funding by FCT, P.I., through the institutional scientific employment programcontract; FEDER-Interreg España-Portugal program for financial support through the project 0377_Iberphenol_6_E; “UCASUL - União de Cooperativas Agrícolas do Sul” agro industrial cooperative for providing the samples; to Technological Unit of Radiosterilization (University of Lisbon) for the samples irradiation; and to Molecular Materials Synthesis Laboratory (responsible Researcher Dr. Dulce Belo, C2TN) for the solvent evaporations.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationMadureira, Joana; Dias, Maria Inês; Pinela, José; Calhelha, Ricardo C.; Barros, Lillian; Santos-Buelga, Celestino; Margaça, Fernanda M.A.; Ferreira, Isabel C.F.R.; Cabo Verde, Sandra (2020). The use of gamma radiation for extractability improvement of bioactive compounds in olive oil wastes. Science of the Total Environment. ISSN 0048-9697. 727, p. 1-11en_EN
dc.identifier.doi10.1016/j.scitotenv.2020.138706en_EN
dc.identifier.issn0048-9697
dc.identifier.urihttp://hdl.handle.net/10198/20785
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectBioactivityen_EN
dc.subjectIndustrial wastes valorizationen_EN
dc.subjectIonizing radiation applicationsen_EN
dc.subjectOlive pomaceen_EN
dc.subjectPhenolic compoundsen_EN
dc.titleThe use of gamma radiation for extractability improvement of bioactive compounds in olive oil wastesen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameDias
person.familyNamePinela
person.familyNameCalhelha
person.familyNameBarros
person.familyNameFerreira
person.givenNameMaria Inês
person.givenNameJosé
person.givenNameRicardo C.
person.givenNameLillian
person.givenNameIsabel C.F.R.
person.identifier469085
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person.identifier.orcid0000-0002-9050-5189
person.identifier.orcid0000-0003-4910-4882
person.identifier.ridM-8242-2013
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person.identifier.scopus-author-id6507978333
person.identifier.scopus-author-id35236343600
person.identifier.scopus-author-id36868826600
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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