Table 1: Mathematical models used to fit the sorption isotherms of cupuassu powder at 25°C.

Model Name Model Equation Parameters Number
Halsey 2
Henderson 2
Oswin 2
GAB 3
Peleg 4

m = equilibrium moisture content (g H2O/100 g d.b.); mo= monolayer moisture content (g H2O/100 g d.b.); aw = water activity (dimensionless); a, b, c, k, k1, k2, n1 and n2 = model constants.