|  | Corn stover fraction composition (% dry biomass) | ||||
---|---|---|---|---|---|---|
Corn stover fraction | Glucan | Xylan | Acid-insoluble lignin | Ash | Other | |
Early | Leaves | 27.5b ± 3.2 | 17.8e ± 1.7 | 13.2bc ± 0.7 | 7.3a ± 0.13 | 34.2 |
 | Stem | 35.1a ± 2.6 | 19.0de ± 1.1 | 14.9bc ± 0.2 | 3.4c ± 0.10 | 27.6 |
Late | Leaves | 35.3a ± 1.2 | 21.8cd ± 0.6 | 13.6bc ± 1.7 | 6.0b ± 0.25 | 23.3 |
 | Stem | 37.8a ± 0.9 | 23.6bc ± 0.4 | 16.9b ± 0.5 | 2.4d ± 0.08 | 19.3 |
 | Husk | 39.0a ± 2.2 | 26.5b ± 1.5 | 11.6c ± 0.3 | 2.1e ± 0.11 | 20.8 |
 | Cob | 27.5b ± 1.1 | 32.3a ± 1.3 | 25.8a ± 2.6 | 1.1f ± 0.02 | 13.3 |