Development of novel ecofriendly sodium alginate-gelrite gellan gum composite films: Effects of glycerol and sorbitol

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dc.authoridAydemir, Levent Yurdaer/0000-0003-0372-1172
dc.contributor.authorBhatia, Saurabh
dc.contributor.authorKhan, Talha Shireen
dc.contributor.authorAlhadhrami, Aysha Salim
dc.contributor.authorChinnam, Sampath
dc.contributor.authorShah, Yasir Abbas
dc.contributor.authorPhilip, Anil K.
dc.contributor.authorKoca, Esra
dc.contributor.authorAydemir, Levent Yurdaer
dc.contributor.authorAl-Harrasi, Ahmed
dc.date.accessioned2026-02-27T07:33:17Z
dc.date.available2026-02-27T07:33:17Z
dc.date.issued2025
dc.description.abstractThe current study investigated the impact of various concentrations of plasticizers, especially glycerol and sorbitol, on the physical and chemical characteristics, as well as the antioxidant capabilities, of films made from sodium alginate and gelrite gellan gum. The elongation at break and thickness of the film samples increased, while water vapor permeability, opacity, and tensile strength of the film samples decreased with the increase in concentration of plasticizers. Film samples became more transparent and glossier in nature with increasing concentrations of plasticizers. Scanning electron microscopy revealed that sorbitol-loaded films showed a smooth and homogenous structure as compared to glycerol-loaded film samples. The control film samples showed significantly higher antioxidant activity compared to the other film samples. Contact angle measurements demonstrated that the film samples became more hydrophilic with the addition of plasticizers. This study provides an overview of the role of plasticizers, including glycerol and sorbitol, in the fabrication and application of biopolymeric films for food packaging.Highlights Plasticizers increased EAB and thickness but decreased WVP, opacity, and TS. Films with higher plasticizer levels were more transparent and thinner. Sorbitol-loaded films were more homogenous than glycerol-loaded ones. Control films had higher antioxidant activity than plasticizer-added films. Increase in plasticizer level increased hydrophilicity of films
dc.description.sponsorshipNatural and Medical Sciences Research Center, University of Nizwa, Oman
dc.description.sponsorshipThe authors are thankful to the Natural and Medical Sciences Research Center, University of Nizwa, Oman, for providing research facilities to conduct the current study.
dc.identifier.doi10.1002/vnl.22187
dc.identifier.endpage1232
dc.identifier.issn1083-5601
dc.identifier.issn1548-0585
dc.identifier.issue5
dc.identifier.startpage1218
dc.identifier.urihttp://dx.doi.org/10.1002/vnl.22187
dc.identifier.urihttps://hdl.handle.net/20.500.14669/4532
dc.identifier.volume31
dc.identifier.wosWOS:001383301700001
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of Vinyl & Additive Technology
dc.relation.publicationcategoryMakale - Uluslararas� Hakemli Dergi - Kurum ��retim Eleman�
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20260302
dc.subjectbiopolymeric films
dc.subjectfood packaging
dc.subjectglycerol
dc.subjectplasticizers
dc.subjectsorbitol
dc.titleDevelopment of novel ecofriendly sodium alginate-gelrite gellan gum composite films: Effects of glycerol and sorbitol
dc.typeArticle

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