Table 1.
Mean, standard deviation (SD), range, and coefficient of variation (CV) for calibration and validation subsets for selected parameters of pomegranate kernel oil (sample number = 42).
Parameters | Calibration set | Validation set | Overall CV% | ||||||
---|---|---|---|---|---|---|---|---|---|
Mean | SD | Min | Max | Mean | SD | Min | Max | ||
Peroxide value | 7.311 | 4.219 | 1.745 | 16.342 | 7.478 | 3.873 | 1.943 | 13.517 | 54.758 |
Refractive index | 1.520 | 0.0008 | 1.517 | 1.523 | 1.521 | 0.0010 | 1.519 | 1.522 | 0.0628 |
Total carotenoid content (g β-carotene/kg) | 0.0977 | 0.0418 | 0.0640 | 0.270 | 0.100 | 0.0436 | 0.0650 | 0.232 | 43.158 |
Total phenolic content (mg GAE/g oil) | 3.987 | 0.745 | 3.113 | 5.221 | 3.702 | 0.436 | 3.223 | 4.343 | 15.247 |
Yellowness index | 54.226 | 18.540 | 23.141 | 97.280 | 55.690 | 21.842 | 23.946 | 96.416 | 36.706 |