Table 4.

Activation energies and A factors of the HMF, LevA and humin formation.

pH	Path	Model 1		Model 2
		EA [kJ K−1 mol−1]	A [s−1]	EA [kJ K−1 mol−1]	A [s−1]
2.2	Frc→HMF	123	1.93E+11	123	1.73E+11
	HMF→LevA	76	3.13E+04	77	4.45E+04
	HMF→humin	106	3.49E+08	106	4.07E+08
3.0	Frc→HMF	118	3.85E+10	118	2.95E+10
	HMF→LevA	51	4.99E+00	48	1.75E+00
	HMF→humin	107	5.25E+08	105	2.68E+08