Table 2.
Changes in peroxide value (PV) of RBD palm olein oil during frying (n = 2)
| Characteristic | Frying cycles | Treatments | |||
|---|---|---|---|---|---|
| Control | TBHQ | TRLG 101 at 400 ppm on top | TRLG 101 at 750 ppm on top | ||
| Peroxide value (meq oxygen/Kg) | Initial at 60 °C | 3.14 ± 0.05abC | 3.04 ± 0.17abAB | 3.34 ± 0.20bC | 2.79 ± 0.02aA |
| Initial at 180 °C | 3.69 ± 0.15bD | 2.94 ± 0.07aAB | 3.70 ± 0.01bD | 2.83 ± 0.08aAB | |
| 20 | 2.32 ± 0.18aB | 4.00 ± 0.24bCD | 2.11 ± 0.11aA | 3.60 ± 0.07bD | |
| 40 | 1.58 ± 0.14aA | 2.66 ± 0.04cA | 2.05 ± 0.12bA | 3.04 ± 0.11dBC | |
| 60 | 2.33 ± 0.04bB | 3.33 ± 0.07dABC | 2.20 ± 0.00aAB | 3.15 ± 0.01cC | |
| 80 | 2.48 ± 0.12aB | 3.76 ± 0.02cBCD | 2.37 ± 0.05aAB | 3.26 ± 0.20bC | |
| 100 | 2.96 ± 0.22abC | 4.06 ± 1.03bCD | 2.54 ± 0.27aB | 3.98 ± 0.09abE | |
| 120 | 5.11 ± 0.03dE | 4.62 ± 0.06cD | 2.19 ± 0.19aA | 3.74 ± 0.04bD | |
a–d Means within a row (between treatments) with different letters are significantly different (p < 0.05)
A–E Means within a column (between frying cycles) with different letters are significantly different (p < 0.05)