Table 2. Composition and Yield of 12C and 13C Lignin Isolates % (w/w) Determined in Duplicate.
| 12C-WS | 13C-WS | 12C-LIGpure | 13C-LIGpure | |
|---|---|---|---|---|
| carbohydrate | 68.5 ± 0.5 | 67.3 ± 0.3 | 6.8 ± 0.2 | 7.1 ± 0.1 |
| protein | 0.9 ± 0.04 | 0.7 ± 0.1 | 4.3 ± 0.1 | 3.0 ± 0.1 |
| ash | 1.5 ± 0.2 | 1.4 ± 0.1 | 0.8 ± 0.4 | 0.4 ± 0.1 |
| lignin | 20.6 ± 0.8a | 19.3 ± 1.3a | 88.1 ± 0.5b | 89.5 ± 0.2b |
| Isolation yield (%) | 19.0 ± 0.7 | 21.5 ± 1.4 |
a
Estimated according to Jurak et al.15
b
Remaining content of dry matter after subtraction of carbohydrates, protein, and ash.