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Fabrication and characterization of an alginate-based film incorporated with cinnamaldehyde for fruit preservation.
- Source :
-
International journal of biological macromolecules [Int J Biol Macromol] 2024 Aug; Vol. 274 (Pt 1), pp. 133398. Date of Electronic Publication: 2024 Jun 23. - Publication Year :
- 2024
-
Abstract
- Sodium alginate (SA) is widely used in the food, biomedical, and chemical industries due to its biocompatibility, biodegradability, and excellent film-forming properties. This article introduces a simple method for preparing uniform alginate-based packaging materials with exceptional properties for fruit preservation. The alginate was uniformly crosslinked by gradually releasing calcium ions triggered by the sustained hydrolysis of gluconolactone (GDL). A cinnamaldehyde (CA) emulsion, stabilized by xanthan without the use of traditional surfactants, was tightly incorporated into the alginate film to enhance its antimicrobial, antioxidant, and UV shielding properties. The alginate-based film effectively blocked ultraviolet rays in the range of 400-200 nm, while allowing for a visible light transmittance of up to 70 %. Additionally, it showed an increased water contact angle and decreased water vapor permeability. The alginate-based film was also employed in the preparation of coated paper through the commonly used coating process in the papermaking industry. The alginate-based material displayed excellent antioxidant properties and antimicrobial activity against Escherichia coli, Staphylococcus aureus and Botrytis cinerea, successfully extending the shelf life of strawberries to 7 days at room temperature. This low-cost and facile method has the potential to drive advancements in the food and biomedical fields by tightly incorporating active oil onto a wide range of biomacromolecule substrates.<br />Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br /> (Copyright © 2024 Elsevier B.V. All rights reserved.)
- Subjects :
- Food Preservation methods
Food Packaging methods
Anti-Infective Agents pharmacology
Anti-Infective Agents chemistry
Escherichia coli drug effects
Alginates chemistry
Fruit chemistry
Acrolein analogs & derivatives
Acrolein chemistry
Acrolein pharmacology
Antioxidants pharmacology
Antioxidants chemistry
Subjects
Details
- Language :
- English
- ISSN :
- 1879-0003
- Volume :
- 274
- Issue :
- Pt 1
- Database :
- MEDLINE
- Journal :
- International journal of biological macromolecules
- Publication Type :
- Academic Journal
- Accession number :
- 38917925
- Full Text :
- https://doi.org/10.1016/j.ijbiomac.2024.133398