| Total | Press | Super-press | 2 phases centrifigual decanter | 3 phases centrifugal decanter | p |
FFA [%] | 1.01 (0.60 - 1.84) | nd | 1.92 (1.57 - 3.51) | 0.61 (0.54 - 0.74) | 1.07 (0.68 - 1.69) | 0.029 |
Peroxyde value [meq O2/Kg] | 7.97 (5.96 - 10.0) | 8.64 (8.22 - 9.07) | 8.07 (7.03 - 9.93) | 7.1 (5.63 - 10.34) | 7.28 (5.98 - 10.00) | 0.751 |
K232 | 2.11 (1.91 - 2.36) | nd | 2.026 ± 0.33 | 2.19 ± 0.3 | 2.13 ± 0.322 | 0.064 |
K270 | 0.19 (0.16 - 0.23) | nd | 0.18 ± 0.046 | 0.19 ± 0.03 | 0.20 ± 0.05 | 0.082 |
∆K | −0.00225 (−0.003175 - 0.001) | nd | −0.00105 (−0.002275 - 0.00008) | −0.0032 (−0.0041 - 0.002125) | −0.0021 (−0.003 - 0.0095) | 0.113 |
β-Carotenes [mg/kg] | 11.4 (9.78 - 16.34) | nd | 13.28 (10.19 - 20.24) | 10.47 (9.39 - 14.41) | 11.83 (9.64 - 16.28) | 0.014 |
Chlorophyll pigments [mg/l as gallic acid] | 24.09 (19.8 - 34.03) | nd | 30.005 (23.36 - 52.69) | 21.99 (18.05 - 28.28) | 24.88 (19.27 - 34.25) | 0.087 |
Total phenols [mg/Kg] | 227.5 (91.28 - 385.03) | 66.62 (66.62 - 66.62) | 169.57 (55.59 - 245.92) | 468.46 (347.34 - 692.50) | 228.11 (156.9 - 360.51) | 0.062 |
Ortho-diphenols [mg/Kg] | 15.37 (11.28 - 26.06) | nd | 12.08 (11.28 - 15.365) | 31.93 (22.9 - 55.75) | 14.84 (10.39 - 19.67) | 0.022 |