Table 3.

Decolourization of different synthetic dyes by the purified Chaetomium sp. laccase

Dyes	Class	Decolourization (%)
		−HBT		+HBT
		4 h	24 h	4 h	24 h
Acid Orange 51	Azo	26.46 ± 1.71	31.85 ± 0.45	34.43 ± 1.35	34.79 ± 2.34
RBBR	Anthraquinone	32.27 ± 2.05	38.42 ± 0.57	35.51 ± 1.25	55.6 ± 2.12
Direct Red 75	Azo	3.46 ± 1.92	4.64 ± 1.74	26 ± 2.0	59.75 ± 2.25
Direct Blue 86	Azo	50.42 ± 1.10	54.16 ± 0.85	46.2 ± 1.3	56.56 ± 1.68
Malachite Green	Triphenylmethane	0.0	0.0	4.88 ± 1.52	36.92 ± 1.27