Corn cobs Wheat straw
Compound (g L-1) Before concentration After concentration Before concentration After concentration
Xylose 7.75 ± 0.3 25.4 6.3 ± 0.05 22
Glucose 15.5 ± 0.7 39 11.6 ± 0.2 45.8
Arabinose 1.0 ± 0.01 3.1 3.3 ± 0.05 13.2
Acetic acid 2.0 ± 0.8 4.5 2.2 ± 0.17 5.7
Acid soluble Lignin 2.3 ± 0.07 6.8 3.7 ± 0.08 7.7
5- HMF 0.1 ± 0.07 0.3 0.08 ± 0.01 0.22
Furfural 0.05 ± 0.03 0.07 0.08 ± 0.06 0.1
Table 1: Composition of hydrolysates rich in glucose. Values before concentration presented are mean of triplicates ± SD. The concentrated hydrolysates were taken for fermentation.