Table 1. Isotherm equations for fitting experimental data

Model	Equation1)
modified Henderson	M = l n ⁡ ( 1 - R H ) - A ( T + C ) 1 B R H = 1 - e x p - A ( T + C ) M B
modified Chung-Pfost	M = l n A B - 1 B ∙ - ( T + C ) l n R H R H = e x p ⁡ - A T + C e x p ⁡ ( - B ∙ M )
modified Halsey	M = e x p ⁡ ( A + B ∙ T ) 1 C ∙ [ - ln ⁡ R H ] - 1 C R H = e x p ⁡ - e x p ⁡ ( A + B ∙ T ) M C
modified Oswin	M = ( A + B ∙ T ) 1 - R H R H - 1 C R H = A + B ∙ T M C + 1 - 1
modified GAB	M = A ∙ C T ∙ B ∙ R H 1 - B ∙ R H 1 - B ∙ R H + C T ∙ B ∙ R H R H = 1 2 B ∙ 1 - A M ∙ C T + 1 C T - 1 + 1 B 1 4 1 - A M ∙ C T + 1 C T - 1 2 + 1 C T - 1

¹⁾ M, equilibrium moisture content (%, db); T, temperature (℃); RH, equilibrium relative humidity (decimal); A-C, parameters.