Table 1.
Logistic equation parameters for lipid oxidation | Kinetic model parameters for total phenolics consumption | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Temperature (°C) | Sample | Onset of lipid oxidation time (d) | camax | Time for cmax (d) | kb (d−1) | r2,c | Md0 (mg/100 g) | Memax (mg/100 g) | Mfmin (mg/100 g) | Time for Mmin (d) | k (d−1) | r2 |
4 | Plain almond paste | 11 | 0.64 ± 0.01 | 21 | 0.34 | 0.99 | 95.9 ± 1.68 | 95.9 ± 1.68 | 69.8 ± 0.81 | 15 | 0.018 | 0.95 |
Almond paste with black carrot | 13 | 0.36 ± 0.01 | 21 | 0.60 | 0.95 | 187.3 ± 2.17 | 191.8 ± 1.48 | 181.5 ± 0.54 | 15 | 0.004 | 0.99 | |
20 | Plain almond paste | 9 | 1.35 ± 0.01 | 26 | 0.24 | 0.98 | 95.9 ± 1.68 | 95.9 ± 1.68 | 59.0 ± 0.89 | 21 | 0.021 | 0.96 |
Almond paste with black carrot | 11 | 0.59 ± 0.01 | 24 | 0.48 | 0.98 | 187.3 ± 2.17 | 252.8 ± 4.38 | 172.4 ± 2.79 | 17 | 0.025 | 0.93 | |
30 | Plain almond paste | 9 | 3.50 ± 0.01 | 24 | 0.34 | 0.96 | 95.9 ± 1.68 | 98.6 ± 2.23 | 51.5 ± 1.89 | 21 | 0.032 | 0.98 |
Almond paste with black carrot | 11 | 1.58 ± 0.06 | 24 | 0.36 | 0.97 | 187.3 ± 2.17 | 270.5 ± 6.32 | 170.5 ± 2.85 | 21 | 0.026 | 0.97 | |
60 | Plain almond paste | 6 | 4.03 ± 0.06 | 21 | 0.38 | 0.98 | 95.9 ± 1.68 | 106.9 ± 1.68 | 48.6 ± 0.54 | 21 | 0.034 | 0.96 |
Almond paste with black carrot | 9 | 2.00 ± 0.01 | 24 | 0.27 | 0.94 | 187.3 ± 2.17 | 272.4 ± 0.66 | 168.3 ± 0.43 | 17 | 0.026 | 0.95 |
aThe maximum attainable concentration of the total oxidation products at the end of the lipid oxidation process
bThe reaction rate constant
cRegression coefficient
dThe initial concentration of total phenolics
eThe maximum attainable concentration of total phenolics
fThe minimum attainable concentration of total phenolics