Chitosan films plasticized with choline-based deep eutectic solvents: UV shielding, antioxidant, and antibacterial properties

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dc.authoridGoksen, Gulden/0000-0002-5432-7936
dc.contributor.authorYu, Jiahao
dc.contributor.authorXu, Shanlin
dc.contributor.authorGoksen, Gulden
dc.contributor.authorYi, Caifu
dc.contributor.authorShao, Ping
dc.date.accessioned2025-03-17T12:27:14Z
dc.date.available2025-03-17T12:27:14Z
dc.date.issued2023
dc.departmentTarsus Üniversitesi
dc.description.abstractDeep eutectic solvents (DES) as plasticizers of chitosan film show great potential for food packaging. This paper introduced some novel antioxidant and antibacterial films based on chitosan and DES consisting of choline chloride (ChCl) and organic acids. The effects of the composition and contents of choline-based DES on struc-tures, mechanical properties, thermal stability, contact angle, optical, antioxidant and antibacterial properties of chitosan films were studied. FTIR analysis showed that choline-based DES did exist in the chitosan film with good polymer matrix compatibility. Most of the films exhibited uniform, flat surfaces and cross sections. The Young's modulus of the films decreased inversely to the level of choline-based DES, and maximal mechanical charac-teristics were achieved for films plasticized with ChCl and acetylsalicylic acid. The addition of choline-based DES apparently reduced water contact angles, decreased the decomposition temperature and the thermal stability of chitosan films. In terms of antioxidant capacities and ultraviolet (UV) shielding, chitosan films plasticized with choline-based DES containing acetylsalicylic acid and vitamin C had strong UV shielding and antioxidant properties. Chitosan films plasticized with choline-based DES containing acetylsalicylic acid, malonic acid and lactic acid showed excellent antibacterial properties against Escherichia coli and Staphylococcus aureus. In conclusion, the chitosan film with the choline-based DES, especially for ChCl and acetylsalicylic acid showed a good application prospect in food active packaging.
dc.description.sponsorshipZhejiang province key research and development program; China Postdoctoral Science Foundation; National Natural Science Foundation of China; [2020C02021]; [2022C02069]; [2022M712847]; [32072149]; [32102006]
dc.description.sponsorshipThis work was supported by Zhejiang province key research and development program (No. 2020C02021; No. 2022C02069) ; China Postdoctoral Science Foundation (2022M712847) ; National Natural Science Foundation of China (No.32072149; No.32102006) .
dc.identifier.doi10.1016/j.foodhyd.2022.108196
dc.identifier.issn0268-005X
dc.identifier.issn1873-7137
dc.identifier.scopus2-s2.0-85139312614
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.foodhyd.2022.108196
dc.identifier.urihttps://hdl.handle.net/20.500.13099/2149
dc.identifier.volume135
dc.identifier.wosWOS:000872761200007
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofFood Hydrocolloids
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectDeep eutectic solvent
dc.subjectChitosan
dc.subjectPackaging film
dc.subjectAntibacterial
dc.subjectAntioxidant
dc.titleChitosan films plasticized with choline-based deep eutectic solvents: UV shielding, antioxidant, and antibacterial properties
dc.typeArticle

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