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Lignin from aldehyde-assisted fractionation can provide light-colored Pickering emulsions through colloidal particles formed using alkaline antisolvent

2025Artigo científico Acesso aberto
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datacite.subject.fosEngenharia e Tecnologia::Engenharia Médica
datacite.subject.fosCiências Naturais::Ciências Químicas
datacite.subject.sdg09:Indústria, Inovação e Infraestruturas
dc.contributor.authorColucci, Giovana
dc.contributor.authorRibeiro, Andreia
dc.contributor.authorFigueirêdo, Monique Bernardes
dc.contributor.authorCharmillot, Justine
dc.contributor.authorSantamaria-Echart, Arantzazu
dc.contributor.authorRodrigues, Alírio
dc.contributor.authorBarreiro, Filomena
dc.date.accessioned2025-04-24T09:59:19Z
dc.date.available2025-04-24T09:59:19Z
dc.date.issued2025
dc.description.abstractColloidal lignin particles (CLPs) are gaining attention as eco-friendly stabilizers for Pickering emulsions. Still, conventional lignin sources, like kraft lignin, are often limited by their dark color and strong odor. This study explores, for the first time, the use of a light-colored lignin derived from an aldehyde-assisted fractionation with glyoxylic acid (GA-lignin) for producing CLPs and derived Pickering emulsions. CLPs were produced by anti- solvent precipitation with water (CLPs-W, pH 6) and alkaline buffer (CLPs-B, pH 8) as the antisolvents. The results revealed that the selected antisolvent significantly influenced the CLPs’ properties. CLPs-W were larger, uniform in size, and hydrophobic, whereas CLPs-B were smaller, agglomerated into clusters, and exhibited greater hydrophilicity. Despite both CLPs’ effectiveness in stabilizing oil-in-water emulsions, the stabilization mechanisms differed markedly; CLPs-W formed a robust membrane barrier at the oil-water interface, while CLPs- B facilitated oil droplet bridging. Overall, this work demonstrates that GA-lignin’s light color nature offers ad- vantages for Pickering emulsions design, surpassing a lignin typical limitation. This advancement highlights the versatility of GA-lignin-derived CLPs and supports the development of sustainable lignin-based products with significant commercial prospectseng
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Tech- nology (FCT, Portugal) for financial support through national funds FCT/MCTES (PIDDAC) to CIMO UIDB/00690/2020 (10.544 99/UIDB/00690/2020) and UIDP/00690/2020 (10.54499/UIDP/00 690/2020); SusTEC LA/P/0007/2020 (10.54499/LA/P/0007/2020); LSRE-LCM UIDB/50020/2020 (10.54499/UIDB/50020/2020) and UIDP/50020/2020 (10.54499/UIDP/50020/2020); and ALiCE LA/P/ 0045/2020 (10.54499/LA/P/0045/2020). FCT for the Ph.D. research grant of G. Colucci (2021.05215.BD). FCT for the institutional scientific employment program contract of A. Santamaria-Echart and the research contract of A. Ribeiro (CEEC, 10.54499/2022.00798.CEECIND/CP17 33/CT0009). M. B. Figueirˆedo acknowledges the European Union’s Horizon 2020 research and innovation program under the Marie Skło- dowska-Curie Grant Agreement No.: 101032664. J. Charmillot ac- knowledges the Swiss State Secretariat for Education, Research and Innovation through the “VALORISE” project (SBFI No. MB22.00005/ REF-1131-52105). i3s Scientific Platform HEMS for the technical support.
dc.identifier.citationColucci, Giovana; Ribeiro, Andreia; Figueirêdo, Monique Bernardes; Charmillot, Justine; Santamaria, Arantzazu, Rodrigues, Alíri; Barreiro, Filomena (2025). Lignin from aldehyde-assisted fractionation can provide light-colored Pickering emulsions through colloidal particles formed using alkaline antisolvent. International Journal of Biological Macromolecules. ISSN 0141-8130. 302, p. 1-10
dc.identifier.doi10.1016/j.ijbiomac.2025.140534
dc.identifier.issn0141-8130
dc.identifier.urihttp://hdl.handle.net/10198/34435
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.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.relationLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
dc.relationALICE - Associate Laboratory in Chemical Engineering
dc.relation.ispartofInternational Journal of Biological Macromolecules
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectLignin
dc.subjectColloidal lignin particles
dc.subjectPickering emulsions
dc.titleLignin from aldehyde-assisted fractionation can provide light-colored Pickering emulsions through colloidal particles formed using alkaline antisolventeng
dc.typejournal article
dspace.entity.typePublication
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oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
oaire.awardTitleLaboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
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oaire.citation.endPage10
oaire.citation.startPage1
oaire.citation.titleInternational Journal of Biological Macromolecules
oaire.citation.volume302
oaire.fundingStream6817 - DCRRNI ID
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oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameColucci
person.familyNameSantamaria-Echart
person.familyNameBarreiro
person.givenNameGiovana
person.givenNameArantzazu
person.givenNameFilomena
person.identifier.ciencia-id7C17-EC19-5F05
person.identifier.ciencia-id0C17-1E1F-2621
person.identifier.ciencia-id3418-47D5-5746
person.identifier.orcid0000-0002-8715-5843
person.identifier.orcid0000-0003-0107-7301
person.identifier.orcid0000-0002-6844-333X
person.identifier.ridL-9802-2014
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project.funder.nameFundação para a Ciência e a Tecnologia
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