Thorough Characterization of Brazilian New Generation of Eucalypt Clones and Grass for Pulp Production

Table 6

Chemical composition of the eucalypt clones and elephant grass species evaluated.

Sample code	Sugar composition, %					Acid soluble lignin %	Total lignin %	Lignin S/G ratio	Acetyl group %	Uronic acid group %
	Glucan	Xylans	Galactans	Mannans	Arabinans
U1xU2	46.1	11.8	0.8	0.8	0.2	4.3	30.3	2.8	2.1	3.7
U2xC1	45.5	10.7	1.2	1.0	0.2	4.6	30.8	2.7	1.9	4.0
G1xUGL	43.9	13	0.8	0.9	0.2	4.7	28.9	2.9	2.7	3.8
U1xUGL	44.9	11.7	1.1	0.8	0.2	5	29.7	3.1	2.4	4.0
U1xC2	45.6	10	1.4	1.1	0.2	4.5	31.3	3.0	1.8	3.8
C1xC2	45.6	9.7	1.6	0.9	0.3	5.1	31.1	3.0	1.6	4.1
DGxUGL1	45.5	13	0.9	0.8	0.3	5.3	29.2	3.2	2.6	4.0
DGxU2	45.3	12.6	0.9	1.0	0.3	4.4	29.8	2.6	2.5	4.0
C1xUGL	46.0	11.9	1.1	0.9	0.3	5.0	30.7	3.2	2.2	4.0
G1xGL2	46.4	14.1	1.0	0.8	0.3	5.0	27.1	3.5	3.0	3.9
DGxC1	47.2	10.8	1.2	0.9	0.3	4.7	31.0	2.8	1.8	4.0
U2xGL1	45.5	13.4	1.2	0.8	0.3	5.6	29.3	3.8	2.6	4.0
DGxGL2	45.8	12.9	1.1	1.0	0.3	4.4	28.2	2.9	2.5	3.8
U1xD2	48.1	11.4	1.0	0.9	0.3	4.4	28.6	2.6	2.0	3.9
U1xG2	46.8	11.8	1.0	0.8	0.3	4.4	30.2	2.6	2.0	4.0
IP	49.4	12	1.2	0.9	0.3	4.2	27.2	2.7	1.9	4.0
VC	46.9	11.4	0.8	1.1	0.2	4.6	28.4	2.9	2.1	3.8
CC	47.4	11.2	1.0	1.1	0.2	4.1	28.4	2.4	1.9	3.9
EG1	38.2	9.6	0.8	0.6	0.2	2.2	18.0	0.8	1.9	1.2
EG2	35.6	16.1	0.5	ND	1.6	1.6	16.5	0.7	1.8	1.4