Table 1.
Effects of three organic reagent extractions on the chemical composition of dilute acid-pretreated bamboo residues
| Biomass | Content (%) | Recovery yield (%) | Removal yield (%) | ||||
|---|---|---|---|---|---|---|---|
| Glucan | Xylan | Lignin | Solid | Glucan | Xylan | Lignin | |
| DAP-BR | 51.5 ± 0.1 | 2.7 ± 0.0 | 47.2 ± 0.5 | – | – | – | – |
| Dio-BR | 61.4 ± 0.1 | 3.0 ± 0.1 | 35.1 ± 0.3 | 82.8 | 98.5 | 1.3 | 38.5 |
| Eth-BR | 57.5 ± 1.3 | 2.8 ± 0.1 | 39.7 ± 0.6 | 91.3 | 100.0 | 1.1 | 23.2 |
| THF-BR | 60.1 ± 0.1 | 3.3 ± 0.2 | 38.3 ± 0.5 | 85.9 | 100.0 | 2.9 | 30.3 |
DAP-BR dilute acid-pretreated bamboo residues, Dio-BR, Eth-BR, THF-BR extracted by 1,4-dioxane using a concentration of 96% (v/v, water/1,4-dioxane), ethanol extraction using a concentration of 95% (v/v, water/ethanol) and tetrahydrofuran extraction using pure tetrahydrofuran