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Communication Dans Un Congrès Année : 2020

DATA ACQUISITION FOR MODELING CONVECTIVE DRYING OF YACÓN (Smallanthus sonchifolius) SLICES

Résumé

Poor in simple sugars and rich in fructo-oligosaccharides, yacón roots are considered as functional foods. However, their short shelf life demands a treatment prior to storage. This work aims to describe the convective drying of yacón slices and their properties, for posterior use in a numerical model to describe the process. Weight, diameter and height data were acquired for yacón slices dried in a specific convective dryer. Images obtained while drying show that samples underwent some browning, despite the blanching process prior to drying. Samples underwent some deformation and presented structural irregularities, apparently in random positions. Thermal properties obtained for the samples were similar to those of the literature, but soluble solids content was inferior. The absence of a constant rate period on the drying rate curve suggests that capillary diffusion and similar mechanisms control the drying rate along drying process.
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Marques et al. (2020a) (FOODSIM 2020 - Ghent) (extended abstract) (accepted version) (hal-03080694v1).pdf (1.31 Mo) Télécharger le fichier
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Dates et versions

hal-03080694 , version 1 (08-01-2021)

Identifiants

  • HAL Id : hal-03080694 , version 1

Citer

Bianca Cristine Marques, Artemio Plana-Fattori, Carmen Cecilia Tadini. DATA ACQUISITION FOR MODELING CONVECTIVE DRYING OF YACÓN (Smallanthus sonchifolius) SLICES. 11th International Conference on Simulation and Modelling in the Food and Bio-Industry (FOODSIM'2020), Sep 2020, Gand, Belgium. ⟨hal-03080694⟩
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