| Sample | Power Law | ||
| k | n | R2 | |
| Gum karaya | 7.296 | 0.437 | 0.9958 |
| Ghatti gum | 13.217 | 0.243 | 0.9795 |
| Gum shiraz | 10.354 | 0.177 | 0.9230 |
| Arabic gum | 10.212 | 0.315 | 0.9958 |
| Gum tragacanth | 7.013 | 0.123 | 0.9667 |