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A mathematical model for tailoring antimicrobial packaging material containing encapsulated volatile compounds

Abstract : A mathematical model describing the water content-dependent release of an antimicrobial agent (allyl isothiocyanate (AITC)) from a bio-based film to the packaging headspace was implemented. The system was characterised experimentally by assessing release kinetics and diffusivities. The model was validated by comparing simulations to experimental data. In spite of the high complexity of the system coupling moisture and antimicrobial diffusion within the packaging material and then release into headspace, the presented model provides a good enough reproduction of experimental conditions. A sensitivity study conducted on the model showed that the release kinetics of the antimicrobial agent were the most influential parameters, and that the diffusivity of moisture and AITC within the film have negligible impact. The model was then used to demonstrate the efficiency of such packaging for shelf-life optimization as it successfully inhibited the growth of bacteria. This work provides a framework that can be used for decision support systems.
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Submitted on : Monday, May 25, 2020 - 9:07:10 PM
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Mia Kurek, Yannick Laridon, Elena Torrieri, Valérie Guillard, Astrid Pant, et al.. A mathematical model for tailoring antimicrobial packaging material containing encapsulated volatile compounds. Innovative Food Science and Emerging Technologies, Elsevier, 2017, 42, pp.64-72. ⟨10.1016/j.ifset.2017.05.014⟩. ⟨hal-01606936⟩

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