Fabrication and characterization of active gelatin-based films integrated with nanocellulose-stabilized Pickering emulsion containing Oliveria Decumbens Vent. essential oil

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dc.citation.issueOctober 2024
dc.citation.volume209
dc.contributor.authorFahim H
dc.contributor.authorBagheri H
dc.contributor.authorMotamedzadegan A
dc.contributor.authorRazi SM
dc.contributor.authorRashidinejad A
dc.date.accessioned2024-10-08T19:59:27Z
dc.date.available2024-10-08T19:59:27Z
dc.date.issued2024-10-01
dc.description.abstractStabilizing essential oils (EOs) within biodegradable matrices to create homogeneous and stable films with desirable properties is challenging due to the hydrophobic nature of EOs, which hinders their uniform infusion into the matrix. In this study, we investigated the feasibility of creating active films made of gelatin, infused with nanocellulose-stabilized Pickering emulsion (PE) containing Oliveria Decumbens Vent. essential oil (OEO). The Pickering emulsion effectively stabilized the 50% v/v of OEO, which was subsequently incorporated into a gelatin film at 0, 3, 5, 7, and 9% v/v, to produce active films. FTIR data showed that the OEO-PE was physically trapped in the film matrix through hydrogen bonds, which was also verified by SEM micrographs. The addition of OEO-PE notably changed the films' mechanical properties, leading to reduced tensile strength and enhanced elongation (P < 0.05) with no significant impact on their water vapor permeability. The incorporation of OEO endowed the film matrix with high antioxidant and antibacterial activity against E. coli and S. aureus. Thermal analysis using differential scanning calorimetry showed a 36–171 °C endothermic peak in all films, due to water evaporation and melting. The gelatin film containing 9% OEO-PE exhibited superior physical properties, enhanced water resistance, and excellent antibacterial and antioxidant activity.
dc.description.confidentialfalse
dc.identifier.citationFahim H, Bagheri H, Motamedzadegan A, Mirarab Razi S, Rashidinejad A. (2024). Fabrication and characterization of active gelatin-based films integrated with nanocellulose-stabilized Pickering emulsion containing Oliveria Decumbens Vent. essential oil. LWT. 209. October 2024.
dc.identifier.doi10.1016/j.lwt.2024.116725
dc.identifier.eissn1096-1127
dc.identifier.elements-typejournal-article
dc.identifier.issn0023-6438
dc.identifier.number116725
dc.identifier.piiS0023643824010041
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/71627
dc.languageEnglish
dc.publisherElsevier Ltd
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S0023643824010041
dc.relation.isPartOfLWT
dc.rights(c) The author/sen
dc.rights.licenseCC BYen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectPickering emulsion Nanocellulose Oliveria decumbens vent essential oil Active films
dc.subjectPickering emulsion
dc.subjectNanocellulose
dc.subjectOliveria decumbens vent essential oil
dc.subjectActive films
dc.titleFabrication and characterization of active gelatin-based films integrated with nanocellulose-stabilized Pickering emulsion containing Oliveria Decumbens Vent. essential oil
dc.typeJournal article
pubs.elements-id491575
pubs.organisational-groupOther
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