Table 3.
Oxidative stability by DSC and estimation of the oils shelf life
| Tox (°C) |
tox (min) |
Ea (J/mol) |
Regression equation | R2 | Shelf-life at 30 °C (days) |
|
|---|---|---|---|---|---|---|
| CE | 155 | 3.94 ± 0.09* | 60,893.52 | ln k = −0.043 T + 8.0442 | 0.9999 | 0.60 |
| 140 | 6.98 ± 0.41 | |||||
| 125 | 14.72 ± 0.17 | |||||
| US-CE | 160 | 2.32 ± 0.34 | 99,466.00 | ln k = −0.0653 T + 11.558 | 0.9953 | 10.24 |
| 150 | 5.73 ± 0.14 | |||||
| 140 | 11.34 ± 0.19 | |||||
| Control | 135 | 15.29 ± 0.00 | 114,772.94 | ln k = −0.085 T + 14.217 | 0.9956 | 81.01 |
| 130 | 22.88 ± 1.75 | |||||
| 125 | 35.77 ± 0.00 |
CE (Cold extraction), US-CE (ultrasound-assisted cold extraction), Control (Hexane), DSC (Differential Scanning Calorimetry), Tox (oxidative induction temperature), tox (oxidative induction time), k (reaction rate constant), T (Reaction temperature), Ea (Activation energy), R2 (Correlation coefficient)
*Values expressed as average ± standard deviation