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Table 5 Decolorization (%) of different kinds of synthetic dyes by Il-DyP4 and Il-MnP6

From: Comprehensive investigation of a dye-decolorizing peroxidase and a manganese peroxidase from Irpex lacteus F17, a lignin-degrading basidiomycete

Nr. Dye λmax (nm) Concentration (μM) Il-DyP4a Il-MnP6a
pH 3.5 pH 4 pH 4.5 pH 3.5 pH 4 pH 4.5
Anthraquinone dyes
1 Reactive blue 4 598 200 79.28 81.92 82.01 1.87 7.24 0.96
2 Reactive blue 5 600 100 74.06 82.73 83.61 12.40 18.07 8.26
3 Reactive blue 19 595 100 78.39 74.97 70.01 2.78 5.71 5.90
Azo dyes
4 Direct sky blue 5B 598 100 80.62 81.45 77.91 16.95 59.72 63.75
5 Reactive black 5 598 50 60.57 59.30 40.86 0.22 0 0.69
6 Acid red 18 506 100 43.07 43.73 38.04 6.09 7.14 3.53
7 Reactive violet 5 570 100 92.16 90.81 80.96 19.97 21.32 1.10
8 Methyl orange 464 50 33.12 30.21 29.60 11.21 9.32 1.95
9 Direct yellow 8 392 25 2.62 4.66 2.04 0 0 0
10 Orange G 478 50 18.38 21.28 25.39 33.80 34.72 22.90
11 Orange yellow II 484 50 28.65 27.94 36.59 7.58 4.68 2.18
12 Orange yellow IV 445 50 62.55 60.07 60.16 13.23 10.40 4.26
13 Congo red 498 10 0 38.69 52.77 0 0 0
Phenazine dyes
14 Neutral red 550 100 22.50 24.15 31.09 0 2.40 5.68
Triphenylmethane dyes
15 Malachite green 618 50 84.80 82.43 72.53 24.74 28.03 24.69
Aniline dyes
16 Basic fuchsin 542 25 45.10 39.75 23.86 3.46 3.63 0.25
  1. aPercentage of dye decolorization after 30 min is based on the observed decrease in absorbance at λmax