Journal of the science of food and agriculture · 2025
Fabrication of cinnamaldehyde-shellac nanoparticle-filled chitosan packaging material and application in chilled beef preservation.
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Li Donghui, Zhou Ziyuan, Liu Shilin, Li Yan
Аннотация
BACKGROUND: Cinnamaldehyde (CA) is the main functional component of cinnamon essential oil, exhibits strong anti-microbial activity and safety. Shellac (SHL) nanoparticles enable the encapsulation and controlled release of CA while improving the physiochemical properties of chitosan (CS) films. To strengthen the anti-bacterial activity of SHL-CS films, CA-SHL nanoparticles were prepared by an anti-solvent precipitation method with Tween 80 as surfactant, and subsequently incorporated into CS film-forming solution. The resulting CA-SHL nanoparticle-filled CS coatings were then applied for the preservation of chilled beef.
RESULTS: The particle size of CA-SHL nanoparticles showed a unimodal distribution, decreasing with higher SHL content or lower CA concentration. Stable CA-SHL nanoparticles had relatively low zeta-potential values, indicating the stabilization effect of Tween 80. Incorporation of CA-SHL nanoparticles into CS films improved UV barrier properties, reduced water vapor permeability, improved pH corrosion resistance, and strengthened anti-bacterial activity. The CA-SHL nanoparticle-filled CS coatings extended the shelf life of chilled beef from 4 to 8 days.
CONCLUSION: The enhanced properties of CA-SHL nanoparticle-filled CS composite films highlight their strong potential for food packaging and preservation. © 2025 Society of Chemical Industry.
RESULTS: The particle size of CA-SHL nanoparticles showed a unimodal distribution, decreasing with higher SHL content or lower CA concentration. Stable CA-SHL nanoparticles had relatively low zeta-potential values, indicating the stabilization effect of Tween 80. Incorporation of CA-SHL nanoparticles into CS films improved UV barrier properties, reduced water vapor permeability, improved pH corrosion resistance, and strengthened anti-bacterial activity. The CA-SHL nanoparticle-filled CS coatings extended the shelf life of chilled beef from 4 to 8 days.
CONCLUSION: The enhanced properties of CA-SHL nanoparticle-filled CS composite films highlight their strong potential for food packaging and preservation. © 2025 Society of Chemical Industry.