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In vitro digestion models suitable for foods: Opportunities for new fields of application and challenges


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In vitro digestion models suitable for foods: Opportunities for new fields of application and challenges
Lucas González, Raquel  
Viuda-Martos, Manuel  
Pérez-Alvarez, José Angel  
Fernández-López, Juana
Departamentos de la UMH::Tecnología Agroalimentaria
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In vitro digestion assays simulate the physiological conditions of digestion in vivo and are useful tools for studying and understanding changes, interactions, as well as the bioaccessibility of nutrients, drugs and non-nutritive compounds. The technique is widely used in fields such as nutrition, pharmacology and food chemistry. Over the last 40 years, more than 2500 research articles have been published using in vitro digestion assays (85% of which have been published in the last two decades) to elucidate multiple aspects such as protein digestibility, nutrient interactions or the viability of encapsulated microorganisms. The most recent trend in the use of this technique involves the determination of the antioxidant activity of bioactive compounds after digestion. However, the inability to reproduce certain in vivo digestion events, as well as the multiple models of in vitro digestion, point to a need to optimize and validate the method with in vivo assays to determine its limitations and uses. The purpose of this paper is to provide an overview of the current state of the art of in vitro digestion models through an analysis of how they have evolved in terms of the development of digestion models (parameters, protocols, guidance) and taking into consideration the boom in new fields of application.
In vitro digestion assay
Bioactive compounds
Food matrix
Nano-delivery systems
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Artículos Tecnología Agroalimentaria

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