Table 3. Effect of Different Concentrations of Lignosulfonate (LSS) and Alkali Lignin (AL) on Color (L-Value, a-Value, and b-Value) and Opacity of Enzymatically Modified SPI Filma,b,c,d.
film | opacity | L-value | a-value | b-value |
---|---|---|---|---|
SPI | 0.90 ± 0.06Aa | 89.18 ± 0.10Aa | 0.84 ± 0.21Aa | 2.95 ± 0.84A |
LSS 2% | 0.88 ± 0.04B | 87.88 ± 0.41A | 0.26 ± 0.12B | 7.06 ± 0.51B |
LSS 4% | 0.93 ± 0.07A | 86.64 ± 0.19A | –0.47 ± 0.06C | 12.19 ± 0.27C |
LSS 6% | 1.22 ± 0.08C | 83.5 ± 0.25A | –0.46 ± 0.07C | 20.09 ± 0.34D |
LSS 10% | 1.05 ± 0.04D | 81.33 ± 0.40A | –0.32 ± 0.12C | 24.85 ± 0.62E |
AL 2% | 1.73 ± 0.21b | 76.67 ± 0.64b | 2.34 ± 0.24b | 24.39 ± 1.28b |
AL 4% | 2.24 ± 0.22c | 67.93 ± 1.91c | 5.88 ± 1.00c | 32.48 ± 1.07c |
AL 6% | 2.67 ± 0.1d | 54.62 ± 1.03d | 12.99 ± 0.47d | 36.76 ± 0.14d |
AL 10% | 4.01 ± 0.19e | 42.96 ± 1.83e | 17.71 ± 0.40e | 29.57 ± 2.08c |
Results are mean ± SD in triplicate.
Abbreviations: AL: alkali lignin, LSS: lignosulfonate, BHT: butylated hydroxyltoluene, SPI: soy protein isolate.
Small letters show significant differences in different AL samples, and capital letters show significant differences in LS samples.
Lignin%: g/100 g.