Fabrication of 3D-printed thyme and cinnamon essential oils in γ-cyclodextrin encapsulates/sodium alginate-methylcellulose antimicrobial films with a core-shell structure

IF 8.5 1区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY

Food Packaging and Shelf Life Pub Date : 2024-12-01 DOI:10.1016/j.fpsl.2024.101406

Jasim Ahmed , Yu Zhang , Mohammed Maniruzzaman

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引用次数: 0

Abstract

In this work, we report the encapsulation of thyme and cinnamon essential oils in γ-cyclodextrin (GCD) wall material and thereafter assess their properties so that they can be used in developing hydrogel bioink suitable for 3D printing of antimicrobial films. Encapsulation efficacy above 90 % demonstrated inhibitory and bactericidal activities of encapsulated oils against Listeria monocytogenes and Salmonella Typherium. A customized core and shell film was fabricated using GCD/EO as a core layer and selected hydrocolloid blends as the shell layer by a coaxial 3D printing process. An apparent viscosity below 100 Pa.s facilitates the printing of the hydrogel in good shape. The developed films were characterized for their printability and microstructural properties. The incorporation of cross-linkers enhances the mechanical and optical properties of printed films. This work guides the selection of GCD to encapsulate thyme and cinnamon essential oils as antimicrobial agents to inhibit pathogens in the developed films.

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来源期刊

Food Packaging and Shelf Life Agricultural and Biological Sciences-Food Science

CiteScore

14.00

自引率

8.80%

发文量

214

审稿时长

70 days

期刊介绍： Food packaging is crucial for preserving food integrity throughout the distribution chain. It safeguards against contamination by physical, chemical, and biological agents, ensuring the safety and quality of processed foods. The evolution of novel food packaging, including modified atmosphere and active packaging, has extended shelf life, enhancing convenience for consumers. Shelf life, the duration a perishable item remains suitable for sale, use, or consumption, is intricately linked with food packaging, emphasizing its role in maintaining product quality and safety.