Combination of ensiling and fungal delignification as effective wheat straw pretreatment

Table 2 Composition of ensiled and WRF-pretreated biomasses and controls

g/100 g TS	Glucan	Xylan	Arabinan	Lignin	Ash	Extractives	Sum	G/G + X + A + L
WS	38.0 ± 1.1^c	20.1 ± 0.5^b	2.4 ± 0.3^cd	20.7 ± 0.2^ab	5.0 ± 0.1^a	3.4 ± 2.1^b	89.5	0.47
EWS	36.0 ± 1.7^cd	20.1 ± 0.6^b	2.6 ± 0.2^bc	19.5 ± 0.6^ab	3.6 ± 0.2^ab	7.1 ± 1.4^a	89.0	0.46
w EWS	47.8 ± 1.5^ab	26.4 ± 1.0^a	3.3 ± 0.3^a	19.5 ± 0.4^ab	3.3 ± 0.2^ab	1.3 ± 2.5^b	101.7	0.49
w WS	49.5 ± 0.3^a	25.1 ± 0.5^a	3.1 ± 0.3^ab	20.3 ± 1.1^ab	3.7 ± 0.2^ab	3.0 ± 1.4^b	104.8	0.51
WS F	34.1 ± 3.0^cd	17.0 ± 1.9^cd	2.0 ± 0.3^de	20.5 ± 0.3^ab	4.9 ± 0.4^ab	2.6 ± 0.9^b	81.1	0.46
EWS F	31.6 ± 3.0^d	17.1 ± 1.2^cd	2.1 ± 0.2^cde	19.3 ± 0.3^b	4.2 ± 0.8^ab	5.9 ± 2.8^ab	80.1	0.45
w WS F	32.3 ± 0.3^d	15.4 ± 0.1^d	1.6 ± 0.0^e	21.8 ± 1.3^a	4.2 ± 0.5^ab	3.6 ± 1.2^b	79.0	0.45
w EWS F	43.6 ± 1.4^b	19.1 ± 0.7^bc	2.1 ± 0.3^cde	13.5 ± 0.6^c	3.4 ± 0.9^b	8.3 ± 1.3^a	90.1	0.56

Data are given as average values ± standard deviation. Different roman superscript letters indicate significantly different average values in the same column (p < 0.05). G/G + X + A + L is an estimate of relative glucan enrichment of the biomass, calculated from the g/100 g TS values as Glucan/(Glucan + Xylan + Arabinan + Lignin)

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