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Integration of basic knowledge models for the simulation of cereal foods processing and properties

Abstract : Cereal processing (breadmaking, extrusion, pasting, etc.) covers a range of mechanisms that, despite their diversity, can be often reduced to a succession of two core phenomena: (1) the transition from a divided solid medium (the flour) to a continuous one through hydration, mechanical, biochemical, and thermal actions and (2) the expansion of a continuous matrix toward a porous structure as a result of the growth of bubble nuclei either by yeast fermentation or by water vaporization after a sudden pressure drop. Modeling them is critical for the domain, but can be quite challenging to address with mechanistic approaches relying on partial differential equations. In this chapter we present alternative approaches through basic knowledge models (BKM) that integrate scientific and expert knowledge, and possess operational interest for domain specialists. Using these BKMs, simulations of two cereal foods processes, extrusion and breadmaking, are provided by focusing on the two core phenomena. To support the use by non-specialists, these BKMs are implemented as computer tools, a Knowledge-Based System developed for the modeling of the flour mixing operation or Ludovic®, a simulation software for twin screw extrusion. They can be applied to a wide domain of compositions, provided that the data on product rheological properties are available. Finally, it is stated that the use of such systems can help food engineers to design cereal food products and predict their texture properties.
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Magdalena Kristiawan, Kamal Kansou, Guy Della Valle. Integration of basic knowledge models for the simulation of cereal foods processing and properties. Measurement, Modeling and Automation in Advanced Food Processing, 161, Editions Springer, 2017, Advances in Biochemical Engineering Biotechnology, 978-3-319-60109-0. ⟨10.1007/10_2017_10⟩. ⟨hal-02789772⟩



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