Retentate Abs Clarity L* a* ΔEab
Control (Sulfurized) 0.3 ± 0.03 0.0 ± 0.00 -31.9 ± 1.02 -5.3 ± 1.9 42.1 ± 0.44
Control (Unsulfurized) 0.4 ± 0.02 0.1 ± 0.00 -33.9 ± 0.52 -5.4 ± 0.1 44.3 ± 0.51
PJS 0.89 ± 0.13 0.11 ± 0.01 -36.53 ± 0.52 -3.96 ± 0.83 49.50 ± 0.79
PJWS 1.34 ± 0.06 0.13 ± 0.01 -37.12 ± 0.06 -4.66 ± 0.05 50.46 ± 0.40
PCPJS 0.71 ± 0.03 0.09 ± 0.01 -35.5 ± 0.13 -2.57 ± 0.14 47.88 ± 0.31
Table 8: Colour characteristics of loose NF retentate. Results represent mean values of three runs ± standard deviations.