Mathematical modelling of food hydrolysis during in vitro digestion: From single nutrient to complex foods in static and dynamic conditions - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement
Article Dans Une Revue Trends in Food Science and Technology Année : 2021

Mathematical modelling of food hydrolysis during in vitro digestion: From single nutrient to complex foods in static and dynamic conditions

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Background: In vitro digestion methods are widely used to investigate the effect of food properties on the hydrolysis of the main macronutrients: starch, lipid and protein. The growing quantity of experimental data calls for strategies to quantitatively compare the effect of food composition and structure on their hydrolysis kinetics. Mathematical modelling is a powerful tool for this purpose as it allows to summarize complex phenomena into a few equations, and quantify relevant model parameters. Scope and approach: This review focuses on modelling in vitro digestion data, more particularly the hydrolysis of the main macronutrients at the gastric and small intestinal stages. Both static and dynamic in vitro conditions are considered, giving an overview of the modelling strategies available for each macronutrient. Besides, ongoing efforts to model the effects of food micro-and macrostructure as well as the interplay between macronutrient hydrolysis are summarized. A view on how modelling may help to bridge the gap between in vitro and in vivo studies is also provided. Key findings and conclusions: In vitro digestion and mathematical modelling are highly complementary methods. Mathematical models can provide a full and quantitative picture of the phenomena taking place, meanwhile in vitro experiments offer an excellent framework to test modelling concepts and assumptions. Some hybrid strategies, combining in vitro and in silico approaches have also been proposed to more accurately translate in vitro observations into in vivo predictions. Although very young, this field of research appears very promising to complement, or offer an alternative to experimental studies.
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hal-03348081 , version 1 (17-09-2021)
hal-03348081 , version 2 (20-09-2021)

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Steven Le Feunteun, Sarah Verkempinck, Juliane Floury, Anja Janssen, Alain Kondjoyan, et al.. Mathematical modelling of food hydrolysis during in vitro digestion: From single nutrient to complex foods in static and dynamic conditions. Trends in Food Science and Technology, 2021, 116, pp.870 - 883. ⟨10.1016/j.tifs.2021.08.030⟩. ⟨hal-03348081v2⟩
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