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Valorization of brewery waste through Polyhydroxyalkanoates production supported by a metabolic specialized microbiome

2022-08-30Journal article Open access
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dc.contributor.authorCarvalheira, Mónica
dc.contributor.authorAmorim, Catarina L.
dc.contributor.authorOliveira, Ana Catarina
dc.contributor.authorGuarda, Eliana C.
dc.contributor.authorCosta, Eunice
dc.contributor.authorRibau Teixeira, Margarida
dc.contributor.authorCastro, Paula M. L.
dc.contributor.authorDuque, Anouk F.
dc.contributor.authorReis, Maria A. M.
dc.date.accessioned2022-09-23T08:53:25Z
dc.date.available2022-09-23T08:53:25Z
dc.date.issued2022-08-30
dc.date.updated2022-09-22T12:02:21Z
dc.description.abstractRaw brewers’ spent grain (BSG), a by-product of beer production and produced at a large scale, presents a composition that has been shown to have potential as feedstock for several biological processes, such as polyhydroxyalkanoates (PHAs) production. Although the high interest in the PHA production from waste, the bioconversion of BSG into PHA using microbial mixed cultures (MMC) has not yet been explored. This study explored the feasibility to produce PHA from BSG through the enrichment of a mixed microbial culture in PHA-storing organisms. The increase in organic loading rate (OLR) was shown to have only a slight influence on the process performance, although a high selectivity in PHA-storing microorganisms accumulation was reached. The culture was enriched on various PHA-storing microorganisms, such as bacteria belonging to the Meganema, Carnobacterium, Leucobacter, and Paracocccus genera. The enrichment process led to specialization of the microbiome, but the high diversity in PHA-storing microorganisms could have contributed to the process stability and efficiency, allowing for achieving a maximum PHA content of 35.2 ± 5.5 wt.% (VSS basis) and a yield of 0.61 ± 0.09 CmmolPHA/CmmolVFA in the accumulation assays. Overall, the production of PHA from fermented BSG is a feasible process confirming the valorization potential of the feedstock through the production of added-value products.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLife 12 (9): 1347 (2022)pt_PT
dc.identifier.doi10.3390/life12091347pt_PT
dc.identifier.eissn2075-1729
dc.identifier.urihttp://hdl.handle.net/10400.1/18285
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationTreatment and valorization of brewery waste through polyhydroxyalkanoates
dc.relationApplied Molecular Biosciences Unit
dc.relationApplied Molecular Biosciences Unit
dc.relationInstitute for Health and Bioeconomy
dc.relationCentre of Biotechnology and Fine Chemistry
dc.relationTreatment and Valorisation of brewer´s spent grain through bioplastic production
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBiopolymerspt_PT
dc.subjectCircular economypt_PT
dc.subjectWaste valorizationpt_PT
dc.subjectMicrobial communitypt_PT
dc.titleValorization of brewery waste through Polyhydroxyalkanoates production supported by a metabolic specialized microbiomept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleTreatment and valorization of brewery waste through polyhydroxyalkanoates
oaire.awardTitleApplied Molecular Biosciences Unit
oaire.awardTitleApplied Molecular Biosciences Unit
oaire.awardTitleInstitute for Health and Bioeconomy
oaire.awardTitleCentre of Biotechnology and Fine Chemistry
oaire.awardTitleTreatment and Valorisation of brewer´s spent grain through bioplastic production
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FBTA-BTA%2F31746%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04378%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04378%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0140%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50016%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F136300%2F2018/PT
oaire.citation.issue9pt_PT
oaire.citation.startPage1347pt_PT
oaire.citation.titleLifept_PT
oaire.citation.volume12pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamOE
person.familyNameRibau Teixeira
person.givenNameMargarida
person.identifier.ciencia-id9111-87FB-26AA
person.identifier.orcid0000-0002-2153-3282
person.identifier.ridB-9012-2012
person.identifier.scopus-author-id8988625600
project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
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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