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Keywords: Key words Dehydration ; Osmosis ; Mathematical model ; Mass transfer ; [C Average sucrose concentration (g sucrose/g d.m.) ; C* average dimensionless sucrose concentration ; Cdis osmotic solution concentration (g sucrose/g d.m.) ; Ce equilibrium sucrose concentration (g sucrose/g d.m.) ; Co initial sucrose concentration (g sucrose/g d.m.) ; Cl local sucrose concentration (g sucrose/g d.m.) ; DSeff diffusivity coefficient of sucrose (m2/h) ; DSo preexponential factor in Eq. 9 ; DWeff diffusivity coefficient of water (m2/h) ; DWo preexponential factor in Eq. 8 ; ESa energy of activation in Eq. 9 (J/mol) ; EWa energy of activation in Eq. 8 (J/mol) ; L half-thickness of the solid (m) ; Po initial sample weight (g) ; Psso initial dry matter (g) ; Pssf final dry matter (g) ; Sy standard deviation (sample) (g water/g d.m.)2 ; Syx standard deviation (estimation) (g water/ g d.m.)2 ; %var percentage of explained variance ; W average moisture content (g water/g d.m.) ; We equilibrium moisture content (g water/g d.m.) ; W1 local moisture content (g water/g d.m.) ; Wo initial moisture content (g water/g d.m.) ; WPsso moisture content referred to the initial dry matter (g water/ g d.m.) ; x x-axis distance (m) ; y y-axis distance (m) ; z z-axis distance (m) ; ΔW water losses (g) ; ΔP mass losses (g) ; ΔPss mass gain (g) ; ΔPss/Psso solute gain referred to the initial dry matter (g solute/g d.m.) ; Ψ dimensionless moisture content]