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Antimicrobial activity of pomegranate peel extracts performed by high pressure and enzymatic assisted extraction

2019Journal article Restricted access
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dc.contributor.authorAlexandre, Elisabete M. C.
dc.contributor.authorSilva, Sara
dc.contributor.authorSantos, Sónia A. O.
dc.contributor.authorSilvestre, Armando J. D.
dc.contributor.authorDuarte, Maria F.
dc.contributor.authorSaraiva, Jorge A.
dc.contributor.authorPintado, Manuela
dc.date.accessioned2018-11-05T17:24:15Z
dc.date.available2018-11-05T17:24:15Z
dc.date.issued2019
dc.description.abstractThis study aimed to assess the effect of high pressure (300 and 600 MPa) and enzymatic extraction (pectinase and cellulase) on the phenolic compounds profile, antioxidant capacity and antimicrobial activity of extracts from pomegranate by-products. Antimicrobial activity against eight different strains of pathogenic and contaminant bacteria and against five beneficial bacteria including Lactobacillus and Bifidobacterium strains were determined. The maximum level of total phenolic content, as well as antioxidant capacity were observed at 300 MPa, however enzymatic extraction did not improve the extraction yields. Punicalagin isomers and bis-hexahydroxydiphenoyl-glucoside isomer were the most abundant phenolic compounds found in the extracts. All pomegranate peel extracts demonstrated selective antimicrobial activity against all pathogenic bacteria without affecting beneficial ones. Pressurized extracts presented lower minimum inhibitory concentration against Bacillus cereus and Pseudomonas aeruginosa and lower minimum bactericidal concentration against B. cereus, while, enzymatic extracts presented lower minimum bactericidal concentration for Staphylococcus aureus, Methicillin-resistant Staphylococcus aureus and Listeria monocytogenes. Principal component analyses reveled that antioxidant activity and phenolic compounds content were strongly related with antimicrobial activity. Pomegranate peels extracts obtained by high pressure extraction could so be used as a source of high added-value bioactive compounds for antioxidant and antimicrobial applications.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAlexandre, E. M. C., Silva, S., Santos, S. A. O., Silvestre, A. J. D., Duarte, M. F., Saraiva, J. A., & Pintado, M. (2019). Antimicrobial activity of pomegranate peel extracts performed by high pressure and enzymatic assisted extraction. Food Research International, 115, 167–176. https://doi.org/10.1016/j.foodres.2018.08.044pt_PT
dc.identifier.doi10.1016/j.foodres.2018.08.044pt_PT
dc.identifier.eid85052869921
dc.identifier.eissn1873-7145
dc.identifier.issn0963-9969
dc.identifier.pmid30599929
dc.identifier.urihttp://hdl.handle.net/10400.14/25969
dc.identifier.wos000456758800020
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectPomegranate peelpt_PT
dc.subjectEnzymatic assisted extractionpt_PT
dc.subjectHigh pressure extractionpt_PT
dc.subjectAntioxidant activitypt_PT
dc.subjectAntimicrobial activitypt_PT
dc.subjectBioactive compoundspt_PT
dc.subjectPhenolic compounds profilept_PT
dc.subjectMinimum inhibitory and minimum bactericidal concentrationspt_PT
dc.titleAntimicrobial activity of pomegranate peel extracts performed by high pressure and enzymatic assisted extractionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FCTM%2F50011%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00062%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FAGR%2F00115%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F95795%2F2013/PT
oaire.citation.endPage176
oaire.citation.startPage167
oaire.citation.titleFood Research Internationalpt_PT
oaire.citation.volume115
oaire.fundingStream5876
oaire.fundingStream5876
oaire.fundingStream5876
oaire.fundingStreamSFRH
person.familyNameAlexandre
person.familyNameSilva
person.familyNameSantos
person.familyNameSilvestre
person.familyNameDuarte
person.familyNameSaraiva
person.familyNamePintado
person.givenNameElisabete
person.givenNameSara
person.givenNameSónia
person.givenNameArmando
person.givenNameMaria F.
person.givenNameJorge
person.givenNameMaria Manuela
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person.identifier.orcid0000-0003-4175-2498
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person.identifier.orcid0000-0002-6749-7619
person.identifier.orcid0000-0001-5403-8416
person.identifier.orcid0000-0002-2223-7784
person.identifier.orcid0000-0002-5536-6056
person.identifier.orcid0000-0002-0760-3184
person.identifier.ridK-9179-2013
person.identifier.ridL-2173-2015
person.identifier.ridE-6201-2010
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person.identifier.scopus-author-id55158300800
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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.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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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