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PLA-based films reinforced with cellulose nanofibres from Salicornia ramosissima By-Product with proof of concept in high-pressure processing

2025-12-18Journal article Open access
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dc.contributor.authorRibeiro Lima, Alexandre
dc.contributor.authorLazzarotto Cristofoli, Nathana
dc.contributor.authorDelahousse, Inès
dc.contributor.authorAmaral, Renata A.
dc.contributor.authorSaraiva, Jorge A.
dc.contributor.authorVieira, Margarida
dc.date.accessioned2026-01-04T20:42:53Z
dc.date.available2026-01-04T20:42:53Z
dc.date.issued2025-12-18
dc.description.abstractBiocomposite films based on polylactic acid (PLA) reinforced with cellulose nanofibers (CNFs) extracted from Salicornia ramosissima by-products were developed and characterised using solvent casting (SC) and electrospinning (ES) techniques. The primary objective was to assess their suitability as sustainable food packaging materials that are compatible with high-pressure processing (HPP). The SC films exhibited a transparent, homogeneous morphology with superior ductility and water vapour barrier performance, whereas the ES films displayed a fibrous, porous structure with enhanced tensile strength and rigidity. The incorporation of CNFs significantly improved the mechanical properties, particularly the tensile strength and Young’s modulus, with optimal reinforcement achieved at a loading of 0.5%. Thermal and spectroscopic analyses confirmed the effective integration of CNF without compromising the thermal stability of PLA. Pouch-type packages from CNF-reinforced SC films withstood industrial HPP conditions without rupture or leakage, demonstrating their technical feasibility for food packaging applications. This study presents the first demonstration of Salicornia ramosissima by-product valorisation for CNF production and its application in HPP-compatible food packaging, addressing both circular economy goals and emerging food processing technologies.eng
dc.description.sponsorshipSFRH/BD/146009/2019
dc.identifier.doi10.3390/app152413247
dc.identifier.issn2076-3417
dc.identifier.urihttp://hdl.handle.net/10400.1/28042
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.relationCHANGE - Global Change and Sustainability Institute
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationDevelopment of a sustainable package from Salicornia ramosissima by-product for high pressure process
dc.relationDevelopment of intelligent packaging based on raw materials obtained from the rhodophyte Porphyridium cruentum
dc.relation.ispartofApplied Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBiobased films
dc.subjectPolylactic acid
dc.subjectCellulose nanofibers
dc.subjectFood packaging
dc.subjectSolvent casting
dc.subjectElectrospinning
dc.subjectHigh-pressure processing
dc.titlePLA-based films reinforced with cellulose nanofibres from Salicornia ramosissima By-Product with proof of concept in high-pressure processingeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardTitleCHANGE - Global Change and Sustainability Institute
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleDevelopment of a sustainable package from Salicornia ramosissima by-product for high pressure process
oaire.awardTitleDevelopment of intelligent packaging based on raw materials obtained from the rhodophyte Porphyridium cruentum
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05183%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F05183%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0121%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F149398%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F149395%2F2019/PT
oaire.citation.issue24
oaire.citation.titleApplied Sciences
oaire.citation.volume15
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameRibeiro Lima
person.familyNameLazzarotto Cristofoli
person.familyNameVieira
person.givenNameAlexandre
person.givenNameNathana
person.givenNameMargarida
person.identifier.ciencia-idE113-B4FA-E4F2
person.identifier.ciencia-id791B-AC54-445A
person.identifier.ciencia-id3314-4EFC-1E4A
person.identifier.orcid0000-0001-7983-518X
person.identifier.orcid0000-0002-0919-517X
person.identifier.orcid0000-0003-2774-706X
person.identifier.ridE-1805-2012
person.identifier.scopus-author-id57211780814
person.identifier.scopus-author-id7202140775
project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
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