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- Title
Novel Carboxymethyl Cellulose/Gelatin-Based Film Incorporated with Zein-Stabilized Lemon Essential Oil Pickering Emulsion for the Preservation of Cherries.
- Authors
He, Kaiwen; Sheng, Wenyang; Yang, Li; Yang, Yicheng; Tang, Tingting; Wang, Chenzhi; Jiang, Guangyang; Tian, Yongqiang
- Abstract
In this study, a zein-stabilized lemon essential oil Pickering emulsion (ZLPE) was incorporated into a carboxymethyl cellulose/gelatin (CMC/GL) composite film to develop a bio-based packaging material with bioactive properties. The average droplet size of the ZLPE was measured at 3.62 ± 0.08 μm, with a zeta potential of −31.33 ± 0.32 mV, highlighting its excellent stability. The image results of confocal laser microscopy and scanning electron microscopy validated the uniform distribution of ZLPE in the film. The incorporation of ZLPE reduced the water solubility of films by 45.90% and decreased its water vapor permeability by 22.61%, thereby enhancing its hydrophobicity. Additionally, the ZLPE-loaded film improved mechanical properties, enhanced UV-blocking capabilities, and increased thermal stability. The introduction of ZLPE led to the antioxidant activity of the CMC/GL film increasing by six times the original level and endowed it with outstanding antibacterial properties. As a result, cherries packaged with the ZLPE film demonstrated superior preservation performance and extended shelf life in the preservation experiment, exhibiting the film's potential as a food packaging material.
- Subjects
PACKAGING materials; PRESERVATION of motion picture film; CARBOXYMETHYLCELLULOSE; FOOD packaging; LASER microscopy; ZETA potential
- Publication
Foods, 2024, Vol 13, Issue 16, p2602
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods13162602