Table 3.
Compounds identified from degradation of alkali lignin by DF3-3
| Retention time | Compounds | Molecular formula | Control group | |
|---|---|---|---|---|
| 1 | 4.530 | Acetic acid, butyl ester | C6H12O2 | + |
| 2 | 4.651 | 1-(1-Ethoxyethoxy) propane | C7H16O2 | + |
| 3 | 5.690 | M-Xylene | C8H10 | + |
| 4 | 6.055 | Butyric acid | C4H8O2 | + |
| 5 | 6.251 | 2-Ethoxyethanol | C4H10O2 | + |
| 6 | 6.642 | 1-(1-Propoxyethoxy) propane | C8H18O2 | + |
| 7 | 8.793 | Ethylene glycol | C2H6O2 | + |
| 8 | 11.058 | Lactic acid | C3H6O3 | + |
| 9 | 13.038 | 2-Hydroxybutyric acid | C4H8O3 | − |
| 10 | 19.375 | Pyrrole-2-carboxylic acid | C5H5NO2 | − |
| 11 | 23.225 | 2,4-Di-tert-butylphenol | C14H22O | − |
| 12 | 25.121 | 3-Phenylpyruvic acid | C9H8O3 | − |
| 13 | 25.996 | 4-Hydroxybenzoic acid | C7H6O3 | − |
| 14 | 32.028 | 4-Hydroxyphenylpyruvate | C9H8O4 | − |
| 15 | 32.970 | Dibutyl phthalate | C16H22O4 | + |
| 16 | 34.543 | Palmitic acid | C16H32O2 | + |
| 17 | 38.084 | Stearic acid | C18H36O2 | + |
| 18 | 41.008 | 2,2'-Methylenebis(6-tert-butyl-4-methyl-phenol) | C23H32O2 | − |
| 19 | 43.033 | Bis(2-ethylhexyl) phthalate | C24H38O4 | − |
“ + ” indicates that the product was detected in the uninoculated control group, “−” indicates that the product was not detected in the uninoculated control group