Table 2 Kinetic parameters of DSC study and calculated oxidation induction time for shelf life
From: Natural phenolics greatly increase flax (Linum usitatissimum) oil stability
Oil | Isothermal T (°C) | t0 (min) | tmax(min) | Regression equationa | R2 b | Reported t0 or shelf life at 20 °C (d) |
|---|---|---|---|---|---|---|
Linola | ||||||
100 | 170.7 | 287.1 | Log (k) = 0.0211 T-4.3479 | 0.9987 | 5.9 | |
110 | 108.3 | 183.7 | ||||
120 | 64.6 | 114.5 | ||||
GT | ||||||
100 | 162.5 | 229.9 | Log (k) = 0.0237 T – 4.5500 | 0.9633 | 8.3 | |
110 | 78.4 | 128.4 | ||||
120 | 54.6 | 88.4 | ||||
W 92 | ||||||
100 | 200.1 | 424.3 | Log (k) = 0.0240 T – 4.7354 | 0.9574 | 12.5 | |
110 | 140.8 | 297.9 | ||||
120 | 66.1 | 210.5 | ||||
W 86 | ||||||
100 | 118.5 | 270.8 | Log (k) = 0.0277 T – 4.8907 | 0.9346 | 15.1 | |
110 | 83.9 | 186.7 | ||||
120 | 33.0 | 120.5 | ||||