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. 2021 Oct 23;13(21):3652. doi: 10.3390/polym13213652

Table 5.

Estimated activation energies and pre-exponential factors for the fast and slow diffusion process during release of thymol or carvacrol.

Ln (D0(cm2/s)) Ea (kJ/mol) R2
Carvacrol
Fast 0.805 ± 0.162 47.9 ± 1.5 0.9962
Slow 25.20 ± 2.03 148.8 ± 6.5 0.9925
Thymol
Fast 0.866 ± 0.582 48.2 ± 1.8 0.9941
Slow 23.63 ± 1.67 144.4 ± 5.3 0.9946