Table 1
Mean values of analytical characteristics for fresh samples of “Moroccan Picholine” olive oil collected from an industrial mill unit (super-pressure system) located in Taza province (northern Morocco) during 2017 extraction period, and extraction yields of carotenoids and phenols from carrots and olive mill wastewater, respectively.
| Fresh olive oil characteristics | |
| Free fatty acid (% OA) | 1.003 ± 0.064 |
| Peroxide value (meq O2/kg) | 5.643 ± 0.168 |
| K232 | 1.620 ± 0.003 |
| K270 | 0.156 ± 0.002 |
| Carotenoids (mg/kg) | 1.395 ± 0.017 |
| Chlorophylls (mg/kg) | 3.091 ± 0.052 |
| Total phenols (mg/kg caffeic) | 410.984 ± 2.095 |
| Extraction yield | |
| Carotenoids from carrot (mg/100 g FM) | 16 ± 0.66 |
| Phenols from olive mill wastewaters (g/L caffeic) | 1.26 ± 0.01 |
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