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Development of red apple pomace extract/chitosan-based films reinforced by TiO2 nanoparticles as a multifunctional packaging material

Abstract : A chitosan-based (CS)film was developed with nanosized TiO2and red apple pomace extract (APE). The inter-molecular interactions of CS, TiO2and APE were evaluated by Fourier transform infrared spectroscopy, scanningelectron microscopy and X-ray diffraction. TiO2nanoparticles remarkably improved the water vapor and UV–Vislight barrier properties, mechanical strength and thermal stability of CS-APEfilms. The strong antioxidant abili-ties of CS-APE and CS-TiO2-APEfilms were characterized. Nano-TiO2and APE showed a synergistic enhancementof the antimicrobial activity in CS matrix. The addition of TiO2nano-particles into CS-APEfilms resulted the sen-sitive color variations, which applied successfully as an indicator to monitor the freshness of salmonfillets. Con-sequently, thedevelopment ofCS-APE-TiO2filmprovides a new solutiontoconvert rad applepomacetoanactiveand multifunctional food packaging material with considerable mechanical, antibacterial, antioxidant and pH-responsive color-changing properties.
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https://hal.inrae.fr/hal-03308019
Contributor : Line Touloumet <>
Submitted on : Thursday, July 29, 2021 - 5:07:19 PM
Last modification on : Friday, July 30, 2021 - 4:27:13 PM

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Weijie Lan, Shuyao Wang, Zhijun Zhang, Xue Liang, Xuwei Liu, et al.. Development of red apple pomace extract/chitosan-based films reinforced by TiO2 nanoparticles as a multifunctional packaging material. International Journal of Biological Macromolecules, Elsevier, 2021, 168, pp.105-115. ⟨10.1016/j.ijbiomac.2020.12.051⟩. ⟨hal-03308019⟩

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