Biological Pretreatment of Rubberwood with Ceriporiopsis subvermispora for Enzymatic Hydrolysis and Bioethanol Production

Table 1

Degradation of rubberwood pretreated by C. subvermispora at different particle sizes for 30, 60, and 90 days¹.

Particle size (mm)	Selectivity value^2	Weight loss (%)
		Lignin	Hemicellulose	Cellulose
0.25
30	2.16^b	13.10^c (0.36)	17.80^c (0.67)	6.06^a (0.75)
60	2.46^b	29.65^b (0.31)	34.35^a,b (0.36)	12.07^a (0.29)
90	2.75^c	34.89^c (0.9)	38.76^b (0.88)	12.69^a (0.83)
0.50
30	2.78^a,b	15.13^b (0.19)	19.75^b (0.27)	5.44^a (0.50)
60	2.75^b	29.52^b (0.23)	34.01^b (0.46)	10.73^a,b (0.92)
90	3.21^b	38.78^b (0.27)	39.91^b (0.44)	12.08^a (0.37)
1.00
30	3.57^a	16.65^a (1.08)	25.13^a (0.69)	4.66^a (1.26)
60	3.95^a	37.30^a (1.31)	36.02^a (1.48)	9.44^b (1.42)
90	4.29^a	45.06^a (0.82)	42.08^a (1.16)	10.50^b (0.98)

1Standard deviations of three replicates in parentheses; letters on the right side of the data in the same column indicated significant levels (𝑃 < 0.05 ANOVA, 𝐹(3, 6));² selectivity value = lignin loss/cellulose loss.