Table 1. Estimated parameters and comparison for different isotherm models
Model | Constant1) | Fresh | | Blanching | |
25℃ | 35℃ | 45℃ | Mean | 25℃ | 35℃ | 45℃ | Mean |
BET | C B | 9.627 | 5.483 | 3.794 | | 7.437 | 5.310 | 3.877 | |
| m 0 | 0.232 | 0.235 | 0.269 | | 0.219 | 0.233 | 0.261 | |
| R2 | 0.985 | 0.936 | 0.858 | 0.926 | 0.982 | 0.931 | 0.878 | 0.930 |
| E (%) | 3.742 | 6.182 | 8.424 | 6.116 | 3.671 | 6.995 | 5.065 | 5.244 |
GAB | C G | 11.840 | 5.562 | 3.878 | | 7.862 | 5.393 | 3.639 | |
| K | 1.143 | 1.140 | 1.048 | | 1.097 | 1.093 | 0.986 | |
| m 0 | 0.200 | 0.212 | 0.255 | | 0.200 | 0.218 | 0.274 | |
| R2 | 0.994 | 0.991 | 0.987 | 0.991 | 0.990 | 0.990 | 0.986 | 0.989 |
| E (%) | 4.734 | 6.282 | 7.858 | 6.291 | 4.584 | 6.627 | 5.922 | 5.711 |
Halsey | A | 0.338 | 0.359 | 0.343 | | 0.300 | 0.327 | 0.319 | |
| B | 0.943 | 0.824 | 0.839 | | 0.948 | 0.873 | 0.878 | |
| R2 | 0.988 | 0.997 | 0.977 | 0.988 | 0.996 | 0.994 | 0.962 | 0.984 |
| E (%) | 7.095 | 4.012 | 6.783 | 5.964 | 3.381 | 4.131 | 9.255 | 5.589 |
Henderson | A | 1.159 | 1.196 | 1.389 | | 1.379 | 1.362 | 1.567 | |
| B | 0.716 | 0.758 | 0.928 | | 0.853 | 0.873 | 1.018 | |
| R2 | 0.970 | 0.987 | 0.997 | 0.985 | 0.982 | 0.993 | 0.996 | 0.990 |
| E (%) | 24.945 | 16.235 | 7.443 | 16.208 | 17.297 | 11.011 | 7.229 | 11.845 |
Chung | A | 3.567 | 2.859 | 2.765 | | 3.276 | 2.908 | 2.833 | |
| B | 3.774 | 3.194 | 3.122 | | 3.849 | 3.357 | 3.316 | |
| R2 | 0.847 | 0.893 | 0.951 | 0.897 | 0.906 | 0.928 | 0.966 | 0.933 |
| E (%) | 15.539 | 20.998 | 17.787 | 18.108 | 15.328 | 18.545 | 14.045 | 15.973 |
Smith | A | -0.065 | -0.071 | -0.015 | | -0.021 | -0.025 | 0.011 | |
| B | -2.074 | -2.009 | -1.654 | | -1.639 | 0.984 | 0.984 | |
| R2 | 0.927 | 0.962 | 0.994 | 0.961 | 0.968 | 0.984 | 0.996 | 0.983 |
| E (%) | 26.736 | 22.551 | 8.778 | 19.355 | 15.781 | 13.136 | 6.127 | 11.681 |
1)A and B, thermodynamic constants of Halsey or Henderson or Chung or Smith models; C B, thermodynamic constant of Eq. 2; C G and K, thermodynamic constants of Eq. 3; E (%), mean relative percentage deviation modulus; m 0, monolayer moisture content (%, dry basis); R2, coefficient of determination.