Biomass | Grass | Grass silage | ||||
---|---|---|---|---|---|---|
HTT temperature | 170 | 180 | 190 | 170 | 180 | 190 |
(w/w)% of DM | (w/w)% of DM | |||||
Glucose | 9.7a | 10.5a | 10.1a | 1.8c | 2.4b | 2.3b |
Xylose | 3.8f | 8.4d | 17.2a | 5.8e | 12.4c | 14.9b |
Galactose | 1.4d | 2.1b | 2.6a | 1.4d | 2.0b | 1.7c |
Arabinose | 2.1d | 3.1b | 3.8a | 2.5c | 2.9b | 2.4c |
Fructose | 3.0a | 2.9a | 2.0b | 0.5c | 0.6c | 0.3d |
Total sugars | 20.0 | 27.1 | 35.7 | 12.1 | 20.3 | 21.7 |
Lactic acid | 0.10b | 0.39b | 0.22b | 11.51a | 11.97a | 11.27a |
Formic acid | 0.83d | 0.98c | 1.25b | 2.31a | 2.35a | 2.51a |
Acetic acid | 1.24d | 1.81c | 2.67b | 2.90b | 3.28ab | 3.69a |
Malic acid | 3.15c | 3.64b | 4.16a | 0.00d | 0.00d | 0.00d |
Propionic acid | 0.21d | 0.27c | 0.40a | 0.33b | 0.38a | 0.40a |
Total organic acids | 5.5 | 7.1 | 8.7 | 17.1 | 18.0 | 17.9 |
Solubilized DM | 24.7 | 30.4 | 38.4 | 32.5 | 38.5 | 41.2 |