Table 2.
Compositional analysis data (according to NREL protocol) of Miscanthus x giganteus (Gig17, Gig34) and biomasses of leaf versus grasses, harvested in April 2015. AIL: acid-insoluble lignin. ASL: acid-soluble lignin. AIR: acid-insoluble residuals. AISA: acid-insoluble ash.
| Genotype Harvest Time Portion |
Gig17 April Leaf |
Gig34 April Leaf |
Gig17 April Stem |
Gig34 April Stem |
|---|---|---|---|---|
| AIL (%) | 20.65 ± 0.47 | 21.06 ± 0.31 | 21.18 ± 0.01 | 20.97 ± 0.43 |
| ASL (%) | 5.06 ± 0.30 | 4.13 ± 0.05 | 4.71 ± 0.26 | 4.31 ± 0.02 |
| AIR (%) | 21.83 ± 0.51 | 22.14 ± 0.42 | 22.46 ± 0.22 | 22.31 ± 0.60 |
| Total lignin (%) | 25.52 ± 0.54 | 25.32 ± 0.48 | 26.00 ± 0.36 | 25.25 ± 0.39 |
| AISA (%) | 1.18 ± 0.10 | 1.08 ± 0.22 | 1.29 ± 0.11 | 1.01 ± 0.05 |
| Glucan (%) | 44.79 ± 1.50 | 44.98 ± 2.30 | 50.02 ± 0.63 | 50.49 ± 0.87 |
| Xylan (%) | 28.37 ± 1.77 | 29.52 ± 0.63 | 27.41 ± 2.81 | 26.23 ± 0.49 |
| Galactan (%) | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| Arabinan (%) | 3.11 ± 0.05 | 4.11 ± 1.63 | 1.89 ± 0.51 | 2.04 ± 0.34 |
| Mannan (%) | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 | 0.00 ± 0.00 |
| Dry matter (%) | 92.55 | 91.25 | 92.18 | 92.16 |
| Total ash (%) | 4.53 | 6.82 | 2.50 | 3.07 |