Effects of Screen Size on Biochemical Conversion of Big Bluestem Biomass for Biofuel Production

Table 3

Chemical compositions (% dry weight basis) of big bluestem after pretreatment.

Component	Screen size (mm)
	1	2	4	8
Cellulose	56.4 (1.2)^a	58.6 (0.9)^a	58.4 (0.5)^a	58.9 (0.6)^a
Hemicellulose	5.7 (0.6)^b	5.2 (0.3)^b	4.9 (0.7)^b	4.6 (0.2)^b
Lignin	28.6 (0.7)^c	28.0 (1.3)^c	29.8 (0.2)^c	29.6 (1.0)^c

The same letters indicate that means have statistically no difference based on Fisher LSD test at level of α = 0.05.