Wan Amnin, Wan Yahaya and Nurul Aini, Mohd Azman and Krishnnan, Prithinah M. and Fatmawati, Adam and Almajano, Maria Pilar (2023) Thermo-mechanical and antioxidant properties of eugenol-loaded carrageenan-cellulose nanofiber films for sustainable packaging applications. Journal of Applied Polymer Science (e54943). pp. 1-12. ISSN 1097-4628. (Published)
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Abstract
This study aimed to investigate the thermomechanical and antioxidant properties of an active film composed of carrageenan and cellulose nanofibers incorporating (0.1%v/v–0.5%v/v) eugenol (Eu), intended for active packaging applications. The mechanical, physical, morphology, and thermal properties of the active film were extensively characterized, and the antioxidant activity was monitored over a 34-day-storage period. Broido's model was employed to assess the thermomechanical properties and activation energy of the films towards the Eu structure in carrageenan and cellulose nanofiber film. The findings revealed that the addition of Eu had a negative impact on the activation energy of the film's decomposition while positively affecting the release of antioxidants during storage. The film containing 0.4% Eu demonstrated optimal physical and mechanical characteristics, including a tensile strength of 38.08 ± 2.06 MPa and elongation at break of 21.95% ± 9.02%. Furthermore, the SGC-0.4% (SGC stand for Semi refined carragenan + Glycerol + Cellulose nanofiber) Eu film exhibited a higher activation energy (365.82 kJ/mol), suggesting enhanced stability and durability compared with other films. The film with 0.4% Eu content showed the highest release rate of polyphenols (614.9290 mg gallic acid/L sample) up to 28 days of storage. Additionally, it exhibited a 58% efficiency of radical scavenging activity. Overall, these results highlight the potential of the SGC-0.4% Eu film as a biodegradable packaging solution that offers prolonged food shelf life.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Activation energy; Carrageenan; Cellulose nanofiber; Eugenol; Thermal properties |
| Subjects: | T Technology > T Technology (General) T Technology > TP Chemical technology |
| Faculty/Division: | Faculty of Chemical and Process Engineering Technology Institute of Postgraduate Studies |
| Depositing User: | Dr. Nurul Aini Mohd Azman |
| Date Deposited: | 15 Dec 2023 02:00 |
| Last Modified: | 15 Dec 2023 02:00 |
| URI: | http://umpir.ump.edu.my/id/eprint/39648 |
| Download Statistic: | View Download Statistics |
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