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Supercritical CO2 impregnation of Gelatin-Chitosan films with clove essential oil and characterization thereof
Impregnacija želatin-hitozan filmova etarskim uljem karanfilića pomoću natkritičnog co2 i njihova karakterizacija
dc.creator | Radović, Marko | |
dc.creator | Adamović, Tijana | |
dc.creator | Pavlović, Jelena | |
dc.creator | Rusmirović, Jelena | |
dc.creator | Tadić, Vanja | |
dc.creator | Branković, Zorica | |
dc.creator | Ivanović, Jasna | |
dc.date.accessioned | 2020-01-23T13:11:31Z | |
dc.date.available | 2020-01-23T13:11:31Z | |
dc.date.issued | 2019 | |
dc.identifier.issn | 1451-9372 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/8438 | |
dc.description.abstract | Supercritical CO2 impregnation process was used for the first time to fabricate biodegradable gelatin-chitosan (G/Ch) films containing clove oil (CO) for potential use in active food packaging. All the impregnations were carried out at moderately low temperature (40 °C). Aiming to maximize CO loading in the films with acceptable morphological, structural and thermal properties, CO2 pressure, impregnation time and G:Ch mass ratio were varied. Gelatin fraction in the films of 25-50 wt.%, scCO2 pressures of 10-20 MPa and impregnation time of 2-6 h impregnation favoured the CO loading. Processing of the film with equal gelatin to chitosan mass ratio (G/Ch50:50) at 10 MPa for 2 h yielded sufficiently high loading (56 mg CO/gfilm) without an adverse effect on morphological properties. The G/Ch50:50 film was therefore chosen for structural and thermal analyses. ATR-FTIR analysis confirmed successful CO incorporation into the G/Ch50:50 and its interaction with the film. Plasticizing effect of scCO2 and CO on the film was evidenced by DSC. Incorporation of 56 mg CO/gfilm into the G/Ch50:50 didn't affect thermal stability of the film. Beside environmental benefits, supercritical impregnation process enables fast fabrication of G/Ch bio-composite films containing CO, thermally stable to 110 °C, which is suitable for most of food packaging applications. © 2019, CI and CEQ. All rights reserved. | en |
dc.language.iso | en | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45017/RS// | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45007/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.source | Chemical Industry and Chemical Engineering Quarterly / CICEQ | |
dc.subject | chitosan | en |
dc.subject | clove oil | en |
dc.subject | composite film | en |
dc.subject | gelatin | en |
dc.subject | impregnation | en |
dc.subject | supercritical CO2 | en |
dc.title | Supercritical CO2 impregnation of Gelatin-Chitosan films with clove essential oil and characterization thereof | en |
dc.title.alternative | Impregnacija želatin-hitozan filmova etarskim uljem karanfilića pomoću natkritičnog co2 i njihova karakterizacija | sr |
dc.type | article | en |
dc.rights.license | BY-NC-ND | |
dcterms.abstract | Бранковић, Зорица; Радовић, Марко; Ивановић, Јасна; Aдамовић, Тијана; Павловић, Јелена; Русмировић, Јелена; Тадић, Вања; | |
dc.rights.holder | © 2019, CI and CEQ | |
dc.citation.volume | 25 | |
dc.citation.issue | 2 | |
dc.citation.spage | 119 | |
dc.citation.epage | 130 | |
dc.identifier.wos | 000474378700003 | |
dc.identifier.doi | 10.2298/CICEQ180323025R | |
dc.citation.rank | M20 | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85070480709 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs/bitstream/id/20948/1451-93721800025R.pdf |
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