Development and characterization of postbiotic-enriched biodegradable films with antifungal activity for tomato storage

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dc.authorid0000-0003-4905-095X
dc.contributor.authorKaya, Yasemin
dc.contributor.authorIspirli, Humeyra
dc.contributor.authorBozkurt, Fatih
dc.contributor.authorSagdic, Osman
dc.contributor.authorSengul, Mustafa
dc.contributor.authorDertli, Enes
dc.date.accessioned2026-02-28T12:17:40Z
dc.date.available2026-02-28T12:17:40Z
dc.date.issued2025
dc.departmentBayburt Üniversitesi
dc.description.abstractBACKGROUND One of the major contributors to postharvest losses in tomatoes is the development of infectious mold diseases. In this study, four distinct biodegradable film formulations were developed incorporating postbiotics derived from Lactiplantibacillus plantarum Y48 and the polysaccharide alternan. The formulations included alternan, sodium alginate and glycerol (AAG), alternan, postbiotic, sodium alginate and glycerol (APAG), postbiotic, sodium alginate and glycerol (PAG), and sodium alginate and glycerol (AG) as a control. The films were characterized in terms of their physical, mechanical, thermal, and morphological properties. To assess antifungal efficacy, tomatoes artificially inoculated with Alternaria alternata were coated with each film and stored at ambient temperature for 8 days.RESULTS The incorporation of alternan and postbiotics enhanced both the mechanical strength and thermal stability of the films. Fourier-transform infrared (FTIR) analysis confirmed the successful integration of the bioactive components into the polymer matrix. Scanning electron microscopy (SEM) imaging revealed that postbiotic addition contributed to a rougher and more rigid surface morphology, while alternan improved the structural cohesion of the films. All film formulations exhibited significant inhibitory effects against A. alternata, with the PAG formulation demonstrating the most pronounced antifungal activity.CONCLUSION These results suggest that the PAG film, enriched with postbiotics, represents a promising biocontrol strategy for mitigating fungal spoilage in tomatoes. In conclusion, this study underscores the potential of combining postbiotics and alternan for the development of active, biodegradable edible films with antifungal functionality for postharvest preservation. (c) 2025 Society of Chemical Industry.
dc.description.sponsorshipThe author, Yasemin KAYA, is supported by the TUBITAK BIDEB 2211/A National Ph.D. Scholarship Program.
dc.description.sponsorshipThe author, Yasemin Kaya, is supported by the TUBITAK BIDEB 2211/A National Ph.D. Scholarship Program.
dc.identifier.doi10.1002/jsfa.70334
dc.identifier.issn0022-5142
dc.identifier.issn1097-0010
dc.identifier.pmid41276922
dc.identifier.scopus2-s2.0-105023380162
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1002/jsfa.70334
dc.identifier.urihttps://hdl.handle.net/20.500.12403/5909
dc.identifier.wosWOS:001620500100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of The Science of Food And Agriculture
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260218
dc.subjectalternan
dc.subjectAlternaria alternata
dc.subjectbiopreservation
dc.subjectedible film
dc.subjectpostbiotics
dc.subjecttomato storage
dc.titleDevelopment and characterization of postbiotic-enriched biodegradable films with antifungal activity for tomato storage
dc.typeArticle

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