Table 2 Yields and sugar compositions (relative %, w/w) of hemicellulosic fractions obtained from sequential alkaline extractions of delignified ryegrass
Samples | Yielda,c (%) | Sugar compositionb,c (relative %) | ||||||
|---|---|---|---|---|---|---|---|---|
Ara | Gal | Glu | Xyl | Man | GluA | GalA | ||
H0.15% | 7.3 ± 0.3 | 29.4 ± 0.9 | 9.4 ± 0.3 | 10.3 ± 0.3 | 45.1 ± 1.5 | 1.1 ± 0.0 | 2.7 ± 0.0 | 2.0 ± 0.0 |
H0.3% | 5.8 ± 0.2 | 29.8 ± 1.0 | 10.2 ± 0.3 | 8.8 ± 0.2 | 46.2 ± 1.5 | ND | 2.0 ± 0.0 | 3.0 ± 0.1 |
H0.5% | 33.9 ± 1.6 | 28.6 ± 0.9 | 10.3 ± 0.3 | 7.8 ± 0.2 | 48.1 ± 1.5 | 1.0 ± 0.0 | 2.5 ± 0.0 | 1.6 ± 0.0 |
H1.0% | 13.9 ± 0.6 | 29.0 ± 0.9 | 8.4 ± 0.2 | 3.7 ± 0.1 | 52.8 ± 1.6 | 1.1 ± 0.0 | 1.8 ± 0.0 | 3.2 ± 0.1 |
H1.5% | 11.3 ± 0.5 | 22.7 ± 0.7 | 6.4 ± 0.2 | 12.8 ± 0.4 | 54.2 ± 1.7 | ND | 1.0 ± 0.0 | 2.9 ± 0.0 |
H2.5% | 8.7 ± 0.4 | 18.3 ± 0.6 | 3.9 ± 0.1 | 13.5 ± 0.4 | 62.5 ± 2.1 | ND | 0.6 ± 0.0 | 1.2 ± 0.0 |