Table 3.
MS fragmentation by GC-EIMS of the identified alkaloids.
| ALKALOIDS | RI | [M]+ | m/z |
|---|---|---|---|
| Lycorine type: | |||
| Lycorine (1) | 2790.9 | 287 (31) | 286 (19), 268 (24), 250 (15), 227 (79), 226 (100), 211 (7), 147 (15) |
| 11,12-Didehydroanhydrolycorine (2) | 2655.4 | 249 (60) | 248 (100), 191 (10), 190 (24), 189 (7), 163 (7), 95 (17) |
| Galanthine (3) | 2731.6 | 317 (26) | 284 (22), 266 (8), 252 (4), 243 (79), 242 (100) |
| 1-O-Acetyl-3-O-methylnarcissidine (4) | 2768.5 | 389 (3) | 388 (5), 357 (50), 326 (98), 314 (3), 298 (35), 294 (20), 284 (9), 272 (19), 266 (100), 258 (31) |
| 3-O-Methylnarcissidine (5) | 2843.8 | 347 (8) | 348 (2), 346 (16), 315 (47), 298 (6), 284 (100), 266 (35), 258 (22), 242 (8), 230 (38), 228 (30) |
| 1-O-Acetyl-3-O-methyl-6-oxonarcissidine (6) | 3079.5 | 403 (1) | 371 (10), 340 (19), 312 (4), 298 (17), 280 (100), 272 (8), 255 (10) |
| 1-O-Acetyllycorine (7) | 2750.7 | 329 (31) | 268 (31), 250 (20), 226 (100), 211 (6), 192 (3), 167 (3), 147 (6) |
| Incartine (8) | 2778.9 | 333 (30) | 332 (77), 259 (72), 258 (100), 244 (18) |
| Assoanine (9) | 2648.4 | 267 (52) | 266 (100), 250 (31), 222 (14), 207 (14), 193 (12), 180 (15) |
| Dihydrolycorine (10) | 2805.5 | 288 (100) | 272 (7), 254 (3), 214 (6), 200 (2), 187 (6), 162 (6), 147 (15) |
| 3,4-Dihydro-1-acetyllycorine (11) | 2880.0 | 331 (41) | 330 (100), 270 (28), 254 (30), 226 (10), 147 (12), 119 (7), 89 (5) |
| 2—Methoxypratosine (12) | 3059.0 | 309 (100) | 294 (16), 278 (2), 266 (22), 251 (12), 236 (7), 222 (5), 208 (7), 193 (4), 164 (4), 125 (2) |
| Homolycorine type: | |||
| Narseronine (13) | 2957.5 | 329 (20) | 299 (28), 272 (38), 256 (46), 254 (30), 242 (34), 241 (98), 240 (100), 59 (42), 57 (60), 44 (37) |
| Homolycorine (14) | 2787.3 | 315 (<1) | 206 (<1), 178 (2), 109 (100), 150 (1), 108 (22), 94 (3), 82 (3) |
| 2-O-Methylclivonine (15) | 2927.1 | 331 (13) | 316 (6), 162 (3), 134 (2), 126 (2), 115 (2), 96 (39), 83 (100) |
| Haemanthamine type: | |||
| O-Methylmaritidine (16) | 2506.3 | 301 (42) | 286 (24), 270 (22), 231 (100), 203 (26) |
| O-Methylpapyramine (17) | 2544.3 | 331 (50) | 300 (40), 276 (100), 245 (60), 214 (20), 201 (10) |
| Narciclasine type: | |||
| Trisphaeridine (18) | 2356.6 | 223 (100) | 222 (38), 167 (8), 165 (9), 164 (14), 138 (20), 137 (9), 111 (13) |
| Tazettine type: | |||
| Tazettine (19) | 2682.9 | 331 (31) | 316 (15), 298 (23), 247 (100), 230 (12), 201 (15), 181 (11), 152 (7) |
| 3-O-Demethyltazettine (20) | 2748.8 | 317 (24) | 298 (2), 247 (100), 230 (12), 71 (42), 70 (52) |
| 3-epi-Macronine (21) | 2832.3 | 329 (27) | 314 (23), 245 (100), 225 (14), 201 (83), 139 (16), 70 (18) |
| Galanthamine type: | |||
| Galanthamine (22) | 2442.8 | 287 (83) | 286 (100), 270 (13), 244 (24), 230 (12), 216 (33), 174 (27), 115 (12) |
| 3-O-Acetylgalanthamine (23) | 2573.5 | 329 (25) | 270 (100), 216 (20), 165 (15),115 (10) |
| 3-O-Acetylsanguinine (24) | 2623.1 | 315 (37) | 256 (100), 255 (42), 254 (37), 212 (26), 165 (33), 152 (23), 115 (30), 96 (67) |
| Narwedine (25) | 2517.3 | 285 (91) | 284 (100), 242 (18), 216 (20), 199 (18), 174 (31), 128 (16), 115 (16) |
| Miscellaneous type /Unknown: | |||
| Ismine (26) | 2273.0 | 257 (28) | 238 (100), 211 (6), 196 (8), 168 (6), 154 (3), 106 (4), 77 (3) |
| Hordenine (27) | 1559.7 | 165 (<1) | 121 (4), 107 (16), 91 (5), 77 (14), 58 (100) |
| N-Methyltyramine (28) | 1550.6 | 151 (40) | 120 (15), 108 (42), 107 (100), 91 (26), 77 (90), 65 (25) |
| Unknown I | 2872.5 | - | 331 (10), 302 (100), 270 (10), 241 (10), 229 (10), 211 (10), 128 (10), 115 (10) |
| Unknown II (homolycorine type) | 2724.3 | - | 109 (100) |
RI = Kovats Retention Index.