Kinetic study of a β-mannanase from the Bacillus licheniformis HDYM-04 and its decolorization ability of twenty-two structurally different dyes

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Table 3 Decolourisation of dyes by β-mannanase produced by HDYM-04

Dyes	Decolourisation (%)
Dyes	6 h	12 h
Methyl orange	54.25 ± 2.34b	99.04 ± 0.03a
Aniline blue	41.11 ± 2.01e	90.23 ± 2.87b
Alizarin	23.86 ± 2.12e	83.63 ± 2.89c
Water-soluble melanin	64.83 ± 2.56a	68.13 ± 3.56d
Ponceau S	11.72 ± 1.55f	60.49 ± 3.88d
Brilliant green	6.57 ± 0.56g	34.46 ± 2.32e
Coomassie brilliant blue	16.40 ± 2.31f	30.74 ± 2.37e
Bromophenol blue	11.40 ± 1.76f	27.52 ± 2.34e
Bromothmol blue	5.52 ± 1.22g	27.14 ± 2.87e
Solvent Red 24	11.12 ± 1.87f	23.28 ± 2.23ef
Orange G6	3.08 ± 0.23g	19.63 ± 1.07f
Orange I	5.67 ± 0.78g	18.15 ± 0.11f
Safranine T	4.34 ± 0.76g	17.39 ± 2.82f
5,5′-Dibromo-o- cresolsulfonphthalein	11.11 ± 1.87f	16.33 ± 2.11f
Eosin Y	14.78 ± 2.11f	16.19 ± 1.76f
Neutral red	0 ± 0 h	7.31 ± 0.87g
Methylene blue	4.18 ± 0.23g	4.29 ± 0.28g
Fast Green3	2.94 ± 0.18g	2.94 ± 0.29gh
Amaranth	0.29 ± 0.14h	1.25 ± 0.11h
Chromotrope 2R	0.46 ± 0.04h	0.68 ± 0.09h
Eosin	0.29 ± 0.01h	0.29 ± 0.03h
Alizarin yellow R	0 ± 0h	0 ± 0h

The different letters in the same column of the data indicate the level of significant differences at p < 0.05