Development of Buckwheat Starch-Capric Acid Complex-Based Film: Process Optimization and Film Characterization

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dc.authoridAydemir, Levent Yurdaer/0000-0003-0372-1172
dc.contributor.authorKoca, Esra
dc.contributor.authorKahraman, Kevser
dc.contributor.authorOskaybas-Emlek, Betul
dc.contributor.authorOzbey, Ayse
dc.contributor.authorAydemir, Levent Yurdaer
dc.date.accessioned2026-02-27T07:33:16Z
dc.date.available2026-02-27T07:33:16Z
dc.date.issued2025
dc.description.abstractTo overcome the limitations of starch usage alone, the film formation ability of the buckwheat starch-capric acid complex (BS-CA) was optimized, and the films were characterized. Significant models were obtained for tensile strength (TS) and Young's modulus (YM) of BS-CA film (p < 0.0001). The glycerol/starch ratio, temperature, and their interactions were significant in the YM model (R-2 is 0.9851). The BS-CA film had a better water vapor barrier (0.463 +/- 0.02 g mm/m(2) h kPa), with lower water solubility (WS) (34.18 +/- 1.70%) and moisture content (MC) (16.87 +/- 0.09%) than the buckwheat starch (BS) film (p < 0.05). It had lower thickness (0.073 +/- 0.00 mm) and TS (0.624 +/- 0.04 MPa) but higher elasticity (114.60 +/- 3.12%). The non-covalent interactions were determined between BS and CA, since new peaks were not observed in the film's FTIR spectrum. BS-CA film had a typical V-type crystalline structure and had slightly lower decomposition temperatures than the BS film. Contact angle measurements (55.19 degrees +/- 1.7), and images of AFM topography and SEM showed that the BS-CA film surface was hydrophilic; height and average roughness values were 1014 and 276 nm, respectively, which were quite higher than those of BS film. The results reveal that starch modification with fatty acid is a promising way to develop starch-based films to be used in practical applications.
dc.description.sponsorshipTurkish Scientific and Technological Research Council (TUBITAK); [119O031]
dc.description.sponsorshipThe authors would like to acknowledge the financial support of the Turkish Scientific and Technological Research Council (TUBITAK) (Project Number: 119O031).
dc.identifier.doi10.1002/star.70001
dc.identifier.issn1521-379X
dc.identifier.issue5
dc.identifier.urihttp://dx.doi.org/10.1002/star.70001
dc.identifier.urihttps://hdl.handle.net/20.500.14669/4524
dc.identifier.volume77
dc.identifier.wosWOS:001489647400005
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherWiley-VCH GmbH
dc.relation.ispartofStarch-Starke
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20260302
dc.subjectbuckwheat
dc.subjectcapric acid
dc.subjectedible film
dc.subjectoptimization
dc.subjectstarch-lipid complex
dc.subjectstarch modification
dc.titleDevelopment of Buckwheat Starch-Capric Acid Complex-Based Film: Process Optimization and Film Characterization
dc.typeArticle

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