Geraniol and cinnamaldehyde as natural antibacterial additives for poly(lactic acid) and their plasticizing effects

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dc.authoridOral, Ayhan/0000-0003-4965-8754
dc.authoridBasaran, Ihsan/0000-0002-7824-8968
dc.authoridAkgun, Mert/0000-0002-9878-8566
dc.contributor.authorAkgun, Mert
dc.contributor.authorBasaran, Ihsan
dc.contributor.authorSuner, Salih C.
dc.contributor.authorOral, Ayhan
dc.date.accessioned2025-01-27T20:41:19Z
dc.date.available2025-01-27T20:41:19Z
dc.date.issued2020
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe main goal of this study is to prepare antibacterial poly(lactic acid) (PLA) containing cinnamaldehyde and geraniol and to evaluate the antibacterial activity and assess the changes of physical properties of the PLA films. Cinnamaldehyde- and geraniol-incorporated (10%, 20%, 30%, and 50% v/w) PLA films were prepared via solution-casting. While preparing these films, plasticizers were not added to the matrix. Antibacterial activities of these films against Escherichia coli and Staphylococcus aureus were investigated by the disk diffusion method. Thermal degradation characteristics were analyzed via thermogravimetric analysis (TGA), glass transition, crystallization, and melting temperatures, and enthalpies of the films were determined from differential scanning calorimetry (DSC) scans. Tensile strength and elongationat-break values of neat PLA and antibacterial-compound-containing films were evaluated and compared after the mechanical tests. Moreover, the changes in the polymer morphology were observed by SEM analysis, and opacity of the films was determined by UV-vis spectroscopy. Our results showed that both compounds provided antibacterial effect to the PLA, with cinnamaldehyde being more effective than geraniol. Moreover, plasticization effects of the compounds were confirmed by DSC analysis.
dc.identifier.doi10.1515/polyeng-2019-0198
dc.identifier.endpage48
dc.identifier.issn0334-6447
dc.identifier.issn2191-0340
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85076277628
dc.identifier.scopusqualityQ3
dc.identifier.startpage38
dc.identifier.urihttps://doi.org/10.1515/polyeng-2019-0198
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24101
dc.identifier.volume40
dc.identifier.wosWOS:000510015600005
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWalter De Gruyter Gmbh
dc.relation.ispartofJournal of Polymer Engineering
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectantibacterial
dc.subjectcinnamaldehyde
dc.subjectgeraniol
dc.subjectplasticity
dc.subjectpoly(lactic acid)
dc.titleGeraniol and cinnamaldehyde as natural antibacterial additives for poly(lactic acid) and their plasticizing effects
dc.typeArticle

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