Fed-batch SSCF using steam-exploded wheat straw at high dry matter consistencies and a xylose-fermenting Saccharomyces cerevisiae strain: effect of laccase supplementation

Table 1 Composition of pretreated wheat straw

Compound	Pretreated material (210°C, 2.5 minutes)^a
WIS (% (w/w))
Cellulose	47.4
Hemicellulose	8.4
Lignin	25.4
Others	1.5
Liquid fraction (% (w/w))
Glucan	1.0
Glucose	0.3
Xylan	6.6
Xylose	0.7
Arabinan	0.1
Arabinose	0.4
Galactan	0.4
Galactose	0.2
Total phenol	2.6
Acetic acid	1.6
Formic acid	2.1
Furfural	0.19
5-HMF	0.07

^aValues expressed as g/100 g of slurry (dry weight). 5-HMF, 5-hydroxymethylfurfural; WIS, water-insoluble solids.

ISSN: 2731-3654