Table 2.

Residual laccase activity in culture supernatants incubated at optimal temperature and pH.

Time (min)	Residual enzymatic activity
Strain A		Strain B		Strain C		Strain E
With 0.5 mM of Cu2+	Without Cu2+	With 0.5 mM of Cu2+	Without Cu2+	With 0.5 mM of Cu2+	Without Cu2+	With 0.5 mM of Cu2+	Without Cu2+
0	100	100	100	100	100	100	100	100
20	91	113	82	92	63	65	81	92
40	55	97	58	61	52	47	69	32
60	59	96	31	58	43	54	36	7
120	56	51	36	13	31	12	23	8
180	52	49	32	14	30	–	18	–
240	48	36	27	–	17	–	10	–
300	56	32	29	–	13	–	10	–
360	40	31	26	–	13	–	6	–
420	45	–	24	–	–	–	6	–

Residual enzymatic activity is expressed as a % of the initial activity. Data are shown as medians ± SD.