Table 2.
Identification of chromatographic peak of breakdown products from lignin degradation
| No. (identifier) | RT (GC) | m/z of major peaks (abundance) | Identified/suggested compound | Potential application |
|---|---|---|---|---|
| MVI.2011 | ||||
| 1 (B) | 9.12 | 57 (100), 71 (50), 85 (18), 98 (4), 173 (4), 218 (6), 266 (5), 327 (6) | Tridecane, 2,2,4,10,12,12-hexamethyl-7-(3,5,5-trimethylhexyl) | Component of biofuel |
| 2 (C) | 11.93 | 57 (100), 71 (90), 85 (38), 99 (5), 155 (4), 216 (3), 323 (4), 570 (6) | Hentriacontane | NI |
| 3 (J) | 14.41 | 57 (100), 71 (57), 85 (48), 99 (6), 115 (3), 155 (2) | Dodecane,1-fluoro | Component of biofuel |
| 4 (D) | 16.03 | 55 (36), 69 (42), 71 (100), 85 (99), 113 (17), 127 (9), 168 (5) | Pentane, 3-(Bromomethyl) | NI |
| 5 (E) | 18.05 | 55 (21), 68 (18), 70 (100), 71 (9), 86 (31), 96 (8), 154 (22) | Endo-3-acetamidocamphor | NI |
| 6 (A) | 22.12 | 58 (100), 70 (55), 84 (72), 91 (54), 125 (68), 153 (22), 197 (13), 207 (36), 281 (9) | 1-Propanamine, n,n-dimethyl-3-[[1-(phenylmethyl)-1 h-indazol-3-yl]oxy] | NI |
| LiP | ||||
| 1 (F) | 3.28 | 57 (68), 85 (100), 86 (8), 112 (3), 128 (5) | Oxalic acid, 6-ethyloct-3-yl isobutyl ester | Dyeing industry, mordant |
| 2 | 6.87 | 57 (100), 71 (88), 85 (59), 99 (7), 113 (14), 127 (9), 170 (3), 259 (2) | Hentriacontane | NI |
| 3 | 6.97 | 57 (100), 71 (72), 85 (64), 113 (7), 126 (3), 165 (2) | Dodecane,1-fluoro | Component of biofuel |
| 4 (H) | 7.22 | 57 (60), 69 (100), 83 (38), 99 (5), 111 (9), 125 (4), 167 (6) | 1R,2C,3T,4T-Tetramethyl-Cyclohexane | Solvent |
| 5 (G) | 7.60 | 55 (32), 71 (100), 85 (48), 113 (9), 127 (10) | 1-Hexanol, 5-methyl-2-(1-methylethyl) | Solvent |
| MnP | ||||
| 1 (K) | 11.76 | 55 (17), 77 (16), 93 (46), 105 (90), 119 (100), 133 (7), 161 (72), 204 (11) | Alpha cubebene | Neuroprotective |
| 2 | 15.56 | 57 (100), 71 (63), 85 (66), 99 (18), 113 (22), 127 (8), 169 (6), 236 (3), 374 (4) | Hentriacontane | NI |
| 3 (I) | 17.85 | 69 (37), 71 (100), 85 (49), 99 (29), 113 (21), 127 (17), 155 (8), 169 (6), 183 (4), 266 (3) | Octadecane, 2,6,10,14-tetramethyl | NI |
| Laccase | ||||
| 1 | 11.76 | 77 (22), 93 (60), 105 (88), 119 (100), 161 (82), 204 (5) | Alpha.cubebene | Neuroprotective |
| 2 | 14.48 | 55 (50), 71 (100), 85 (21), 97 (10), 113 (7), 226 (6) | Dodecane, 1-fluoro | Component of biofuel |
| 3 | 16.71 | 57 (100), 71 (56), 85 (32), 99 (10), 113 (8), 127 (6), 254 (4), 386 (3) | Hentriacontane | NI |
| 4 (L) | 18.75 | 57 (100), 71 (48), 85 (42), 99 (14), 113 (6), 127 (4), 174 (3) | Nonane, 2,2,4,4,6,8,8-heptamethyl | Component of biofuel |
Identifier in bracket corresponds to the chemical structure in Fig. 6
NI not identified