Table 1. Laccase-mediator treatment of paulownia wood (material recovery and final lignin content) and subsequent Celluclast hydrolysis (amount of glucose and xylose per 100 g of sample)* Samples 1) Laccase-mediator treatment 2) Celluclast hydrolysis (2 FPU) Recovery (%) Lignin (%) Glucose (%) Xylose (%) Initial paulownia 100 (4 g) 23.8 ± 0.2 31.5 ± 0.3 6.7 ± 0.1 Control * 83 (3.32 g) 22.0 ± 0.1 a 37.3 ± 0.2 a 7.3 ± 0.1 a Laccase (50 U g -1 ) † 80 (3.21 g) 20.9 ± 0.3 a 39.4 ± 0.4 b 7.8 ± 0.1 a Laccase (50 U g -1 )-MeS (3%) † 76 (3.03 g) 16.7 ± 0.2 b 51.3 ± 0.4 c 9.8 ± 0.3 b * Means ± StD presented were obtained from triplicate determination. Letters next to the StD, from the Tukey test, show: no significant differences to the control (a), significant differences (b) and significantly different from both the control and the Lalone results (c), at the 0.05 level. * followed by alkaline-peroxide extraction (4 cycles).
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