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. 2022 May 28;11(11):1597. doi: 10.3390/foods11111597

Table 5.

Oxidation kinetics parameters of analysed oils.

Oil Z Kinetic Parameter
k [h−1] Ea [kJ/mol] ΔH [kJ/mol] ΔS
[J/mol K]
80 °C 90 °C 100 °C 105 °C 110 °C 115 °C 120 °C
PO 2.07 × 1010 - - 0.11 0.16 0.23 0.31 0.43 80.40 77.22 −126.02
HO 7.16 × 109 0.29 0.40 0.55 0.75 1.01 - - 72.23 69.12 −132.93
LO 6.55 × 1011 0.39 0.57 0.83 1.19 1.70 - - 84.99 81.87 −95.06
CO 1.18 × 1010 - - 0.53 0.72 0.98 1.32 1.77 73.94 70.76 −130.56
RO 7.99 × 109 - - 0.17 0.24 0.32 0.44 0.59 76.23 73.05 −133.82
BCO 1.65 × 1013 - - 0.09 0.13 0.20 0.31 0.46 102.02 98.84 −70.33
MTO 1.04 × 1011 - - 0.24 0.34 0.48 0.68 0.94 83.11 79.93 −119.71
EPO 4.26 × 1010 - - 0.38 0.53 0.74 1.01 1.38 78.94 75.76 −123.41
M1 4.61 × 1010 0.35 0.49 0.69 0.96 1.32 - - 77.32 74.20 −123.97
M2 1.36 × 1011 0.37 0.53 0.76 1.06 1.48 - - 80.39 77.28 −104.30
M3 5.83 × 109 - - 0.18 0.25 0.34 0.47 0.62 75.03 71.84 −119.24

Ea—activation energy; ΔH—entalphy; ΔS—entropy; k—reaction rate coefficient; Z—pre-exponential factor; PO—pumpkin oil; HO—hemp oil; LO—linseed oil; CO—camelina oil; RO—rapeseed oil; BCO—black cumin oil; MTO—milk thistle oil; EPO—evening primrose oil; M1—70% LO, 27% MTO, 3% EPO; M2—80% RO, 17% LO, 3% EPO; M3—91% LO, 5% EPO, 4% PO.