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. 2022 Jan 21;11(2):204. doi: 10.3390/antiox11020204

Table 4.

Kinetic parameters of Equation (3), standard deviation (ε), and coefficient of determination (R2), for oleuropein content (mg/kg) and antioxidant capacity (mg Trolox eq/kg) and calculated kinetic constants at operating temperatures.

Antioxidant Capacity
Oleuropein FRAP DPPH
CA0 357.10 441.61 257.69
k0, d−1 5.2519·1011 8.0972·108 1.7152·108
Ea, kJ/mol 82.036 67.814 61.556
ε 8.81 5.34 5.87
R2 0.951 0.918 0.933
Temperature, °C k, d−1
25 0.0022 0.0011 0.0028
35 0.0065 0.0026 0.0063
45 0.0179 0.0060 0.0134