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Experimental design, modeling, and optimization of high-pressure-assisted extraction of bioactive compounds from pomegranate peel

2017Journal article Restricted access
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dc.contributor.authorAlexandre, Elisabete M. C.
dc.contributor.authorAraújo, Paula
dc.contributor.authorDuarte, Maria F.
dc.contributor.authorFreitas, Victor de
dc.contributor.authorPintado, Manuela
dc.contributor.authorSaraiva, Jorge A.
dc.date.accessioned2017-12-12T17:08:09Z
dc.date.available2017-12-12T17:08:09Z
dc.date.issued2017
dc.description.abstractPomegranate peels are very rich in bioactive compounds, particularly antioxidants, that when properly extracted, may be used for different applications such as food, cosmetics, and pharmaceutics. In this paper, we studied the effect of high-pressure extraction on antioxidant activity and bioactive compounds (total phenolics, tannins, flavonoids, and anthocyanins) of pomegranate peel, using a Box-Behnken design to evaluate the effects of pressure, extraction time, and ethanol concentration to estimate the optimum extraction conditions by response surface methodology (RSM). Individual phenolics, tannins, and anthocyanins were also identified and quantified using the optimum extraction conditions identified by RSM. The results indicated that a quadratic polynomial model could be used to optimize high-pressure extraction of bioactive compounds from pomegranate peel (R (2) higher than 0.90). Ethanol concentration was the variable with higher impact and high pressure increased in average 13% the extraction amount of bioactive compounds. The optimum extraction conditions were similar for all compounds (except for anthocyanins) ranging between 356 and 600 MPa, 32 and 56% of ethanol, and 30 min of extraction time. A pressure of 492 MPa, extraction time of 30 min, and an ethanol concentration of 37% were found to result in the highest amount of the quantified individual compounds. Analysis of variance indicated a high goodness of fit of the used models and adequacy of response surface methodology for optimizing high-pressure extraction. The pomegranate peels are industrial by-products that are rich in bioactive compounds and the results obtained in this work show that high pressure is a promising process for scale up of extraction processes. However, pilot plant tests at higher scale will be necessary to ponder the economic viability of the process.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlexandre, E. M. C., Araujo, P., Duarte, M. F., Freitas, V.de, Pintado, M. E., Saraiva, J. A. (2017). Experimental design, modeling, and optimization of high-pressure-assisted extraction of bioactive compounds from pomegranate peel. Food and Bioprocess Technology, 10(5), 886-900pt_PT
dc.identifier.doi10.1007/s11947-017-1867-6pt_PT
dc.identifier.eid85010781719
dc.identifier.eissn1935-5149
dc.identifier.issn1935-5130
dc.identifier.urihttp://hdl.handle.net/10400.14/23658
dc.identifier.wos000399007800009
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.subjectPomegranate peelpt_PT
dc.subjectSub-productpt_PT
dc.subjectBioactive compoundspt_PT
dc.subjectHigh-pressure extractionpt_PT
dc.subjectResponse surface methodologypt_PT
dc.titleExperimental design, modeling, and optimization of high-pressure-assisted extraction of bioactive compounds from pomegranate peelpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F50016%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00062%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F95795%2F2013/PT
oaire.citation.endPage900
oaire.citation.issue5
oaire.citation.startPage886
oaire.citation.titleFood and Bioprocess Technologypt_PT
oaire.citation.volume10
oaire.fundingStream5876
oaire.fundingStream5876
oaire.fundingStreamSFRH
person.familyNameAlexandre
person.familyNameAraújo
person.familyNameDuarte
person.familyNameFreitas
person.familyNamePintado
person.familyNameSaraiva
person.givenNameElisabete
person.givenNamePaula
person.givenNameMaria F.
person.givenNameVictor
person.givenNameMaria Manuela
person.givenNameJorge
person.identifierR-000-HGE
person.identifier456608
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person.identifier.ciencia-idEC16-41A3-01BD
person.identifier.orcid0000-0003-4175-2498
person.identifier.orcid0000-0002-7597-3152
person.identifier.orcid0000-0002-2223-7784
person.identifier.orcid0000-0003-0586-2278
person.identifier.orcid0000-0002-0760-3184
person.identifier.orcid0000-0002-5536-6056
person.identifier.ridK-9179-2013
person.identifier.ridI-7332-2015
person.identifier.ridH-5177-2013
person.identifier.ridF-5696-2013
person.identifier.scopus-author-id8580575700
person.identifier.scopus-author-id35336282200
person.identifier.scopus-author-id7007032996
person.identifier.scopus-author-id7004483898
person.identifier.scopus-author-id35583570500
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.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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