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Bacterial cellulose biosynthesis in the presence of raw moist olive pomace: A green sustainable approach that enhances biopolymer production and properties

2025Journal article Open access
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datacite.subject.fosCiências Agrárias::Agricultura, Silvicultura e Pescas
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorCrugeira, Pedro
dc.contributor.authorKhelifa, Halima
dc.contributor.authorBarreira, Luísa
dc.contributor.authorHalla, Noureddine
dc.contributor.authorBarreiro, Filomena
dc.contributor.authorRodrigues, Paula
dc.contributor.authorPeres, António M.
dc.contributor.authorSchreiner, Tatiana B.
dc.contributor.authorSchreiner, Tatiana B.
dc.date.accessioned2025-04-24T10:51:13Z
dc.date.available2025-04-24T10:51:13Z
dc.date.issued2025
dc.description.abstractIn this study, the biosynthesis of bacterial cellulose (BC) by Komagataeibacter intermedius strain isolated from Kombucha tea in the presence of raw moist olive pomace (MOP) (concentration up to 40 % in the fermentation media) was studied. The BC membranes were characterized by their antioxidant activity, structural character- istics, crystallinity, thermal stability, and mechanical behavior. Using raw MOP activated the inherent activity of the phenolic compounds, leading to cellular adaptation under unfavorable conditions and increased BC pro- duction for all tested MOP concentrations (p < 0.0001). This led to a 166.61 % increase for the 20 % MOP group compared to the control (HS medium). For this sample, enhanced antioxidant activity (~40-fold higher than the control) was found, which might be associated with the molecular interactions established between hydroxyls of BC and phenolic compounds. Moreover, an increase of 603.03 % in strain capacity, and a 376.01 % improvement in stress at break compared to the control was observed. The study confirmed that BC can be synthesized using MOP in its natural state, supporting a sustainable circular economy while enhancing the biosynthesis of a value- added product. By reducing synthetic media and utilizing MOP, a greener bioprocess can be achieved, and BC’s applicability can be expanded.eng
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES (PIDDAC) support to CIMO (UIDB/00690/2020 (DOI: 10.54499/UIDB/00690/2020), UIDP/00690/2020 (DOI: 10.54499/UIDP/00690/2020)) and SusTEC, LA/P/0007/2020 (DOI: 10.54499/LA/P/0007/2020). Pedro J.L. Crugeira acknowledges the financial support to the project “OleaChain: Competencies for sustainability and innovation in the traditional olive grove value chain in the North Interior of Portugal” (NORTE-06-3559-FSE-000188).
dc.identifier.citationCrugeira, Pedro; Khelifa, Halima; Barreira, Luísa Maria; Halla, Noureddine; Peres, António M.; Schreiner, Tatiana B.; Barreiro, Filomena; Rodrigues, Paula (2025). Bacterial cellulose biosynthesis in the presence of raw moist olive pomace: A green sustainable approach that enhances biopolymer production and properties. Biomass & Bioenergy. ISSN 0961-9534. 197, p. 1-7
dc.identifier.doi10.1016/j.biombioe.2025.107789
dc.identifier.issn0961-9534
dc.identifier.urihttp://hdl.handle.net/10198/34437
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relation.ispartofBiomass and Bioenergy
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBacterial stress
dc.subjectBiopolymer
dc.subjectKomagataeibacter intermedius
dc.subjectCircular economy
dc.subjectSustainable alternativ
dc.titleBacterial cellulose biosynthesis in the presence of raw moist olive pomace: A green sustainable approach that enhances biopolymer production and propertieseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.citation.endPage8
oaire.citation.startPage1
oaire.citation.titleBiomass & Bioenergy
oaire.citation.volume197
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
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person.familyNameBarreira
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person.familyNameRodrigues
person.familyNamePeres
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person.givenNameLuísa
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person.givenNamePaula
person.givenNameAntónio M.
person.givenNameTatiana B.
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project.funder.nameFundação para a Ciência e a Tecnologia
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project.funder.nameFundação para a Ciência e a Tecnologia
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