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Antimicrobial, antiadhesive and antibiofilm activity of an ethanolic, anthocyanin-rich blueberry extract purified by solid phase extraction

2016Journal article Restricted access
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dc.contributor.authorSilva, Sara
dc.contributor.authorCosta, Eduardo M.
dc.contributor.authorMendes, M.
dc.contributor.authorMorais, R. M. S. C.
dc.contributor.authorCalhau, Conceição
dc.contributor.authorPintado, M. E.
dc.date.accessioned2017-10-16T12:24:38Z
dc.date.available2017-10-16T12:24:38Z
dc.date.issued2016
dc.description.abstractAims: The present work aimed to characterize the impact of an anthocyaninrich blueberry extract upon the growth, adhesion and biofilm formation of several pathogens including some multiresistant bacteria. Methods and Results: A group comprised of reference strains and clinical multiresistant isolates of Pseudomonas aeruginosa, Escherichia coli, Proteus mirabilis, Acinetobacter baumannii and Staphylococcus aureus, were used to screen for antimicrobial activity. Microbial growth was determined through the measurement of the optical density while adhesion and biofilm formation was determined using the standard crystal violet staining procedure. The results showed that, while blueberry extract was only effective in hindering the growth of Staph. aureus and E. coli, it was capable of significantly inhibiting biofilm formation and bacterial adhesion for all micro-organisms tested. Conclusions: The extract demonstrated a considerable potential as a natural, alternative antimicrobial capable of either interfering with microbial growth or hamper the adhesion to surfaces, with Staph. aureus proving to be the most susceptible micro-organism. Significance and Impact of the Study: The overall study demonstrates the potential of anthocyanin extracts as natural effective alternative antimicrobial agents. Additionally, the extract’s capacity to reduce adhesion without reducing bacterial growth reduces the likeliness of resistance development while reducing the probability of infection.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSILVA, Sara; COSTA, Eduardo M.; MENDES, M.; MORAIS, R. M. S. C.; CALHAU, Conceição; PINTADO, M. E. - Antimicrobial, antiadhesive and antibiofilm activity of an ethanolic, anthocyanin-rich blueberry extract purified by solid phase extraction. Journal of Applied Microbiology. ISSN 1365-2672. Vol. 121, n.º 3 (2016), p. 693-703pt_PT
dc.identifier.doi10.1111/jam.13215pt_PT
dc.identifier.eid84982130925
dc.identifier.pmid27349348
dc.identifier.urihttp://hdl.handle.net/10400.14/23111
dc.identifier.wos000383404900008
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherWiley
dc.relationPest-PE/EQB/LA0016/2013pt_PT
dc.relationTextile staining: Toward a greener and functional solution
dc.subjectAdhesion inhibitionpt_PT
dc.subjectAnthocyaninspt_PT
dc.subjectAntibiofilm activitypt_PT
dc.subjectAntimicrobial activitypt_PT
dc.subjectBlueberrypt_PT
dc.subjectVaccinium corymbosumpt_PT
dc.titleAntimicrobial, antiadhesive and antibiofilm activity of an ethanolic, anthocyanin-rich blueberry extract purified by solid phase extractionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleTextile staining: Toward a greener and functional solution
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F90867%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBDE%2F103957%2F2014/PT
oaire.citation.endPage703
oaire.citation.issue3
oaire.citation.startPage693
oaire.citation.titleJournal of Applied Microbiologypt_PT
oaire.citation.volume121
oaire.fundingStreamSFRH
person.familyNameSilva
person.familyNameCosta
person.familyNameMendes
person.familyNameMorais
person.familyNameCalhau
person.familyNamePintado
person.givenNameSara
person.givenNameEduardo
person.givenNameMarta
person.givenNameRui M. S. C.
person.givenNameConceição
person.givenNameMaria Manuela
person.identifier1888852
person.identifier143926
person.identifier456608
person.identifier.ciencia-id8E18-0AFF-BF6D
person.identifier.ciencia-idB218-870B-98B5
person.identifier.ciencia-idAB11-0D65-5D03
person.identifier.ciencia-id541B-04AE-0686
person.identifier.ciencia-id2110-0420-1717
person.identifier.ciencia-id2F13-AAE0-3405
person.identifier.orcid0000-0001-8268-2137
person.identifier.orcid0000-0003-3121-4514
person.identifier.orcid0000-0003-0748-2682
person.identifier.orcid0000-0001-5138-6941
person.identifier.orcid0000-0001-9567-3379
person.identifier.orcid0000-0002-0760-3184
person.identifier.ridM-5065-2013
person.identifier.ridF-5696-2013
person.identifier.scopus-author-id55158300800
person.identifier.scopus-author-id55249865700
person.identifier.scopus-author-id7005146997
person.identifier.scopus-author-id6701578877
person.identifier.scopus-author-id7004483898
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
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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