Table 4.

Thermodynamic parameters and Arrhenius adjustment of the anthocyanin degradation in the extracts obtained by PLE using different solvents: water, acidified water or aqueous solution of DES (ChCl:Pro or ChCl:Ma).

T (°C)	$E_a$(kJ mol−1)	RSS	R2	R2adj	ΔH (kJ/mol)	ΔG (J/mol.K)	ΔS (J/mol)
Water	62.4420	0.1358	0.9641	0.9522
60					59.6720	86.9727	−81.9471
70					59.5889	89.0588	−85.8806
80					59.5057	89.5631	−85.1123
90					59.4226	90.2768	−84.9628
100					59.3394	90.4741	−83.4374
Acidified water	66.7102	0.1124	0.9737	0.9650
60					63.9415	88.3060	−73.1668
70					63.8583	90.2838	−77.0423
80					63.7752	90.2201	−74.9148
90					63.6920	90.6948	−74.3879
100					63.6089	91.8229	−75.6409
ChCl:Pro	65.0670	0.3177	0.9258	0.9010
60					62.2983	87.4731	−75.5999
70					62.2152	90.1843	−81.5426
80					62.1320	90.3081	−79.8188
90					62.0489	91.1007	−80.0327
100					61.9657	90.8124	−77.3368
ChCl:Ma	77.5523	0.1045	0.9818	0.9757
60					74.7835	88.9888	−42.6583
70					74.7004	90.6709	−46.5611
80					74.6173	90.4296	−44.7942
90					74.5341	90.8709	−45.0050
100					74.4510	91.0660	−44.5443

Note: PLE – pressurized liquid extraction, DES – deep eutectic solvent, ChCl - choline chlorine, Pro-propylene glycol, Ma - malic acid, $E_a$ - activation energy, ΔH -activation enthalpy, ΔG - free energy of activation, ΔS - activation entropy.