TABLE 2.
LC-MS standards and internal standards for lipidomics analysis.
|
Standards | ||||
| Abbreviation | Metabolite | Q1 | Q3 | Polarity |
| DAG (16:0, 20:4) | 1-Palmitoyl-2-arachidonoyl-sn-glycerol | 634 | 313 | + |
| 1&2-AG | 2&1-Arachidonoylglycerol (20:4) | 379 | 287 | + |
| AEA | Anandamide (20:4) | 348 | 62 | + |
| DHEA | N-Docosahexaenoylethanolamide (22:6) | 372 | 62 | + |
| LEA | N-Linoleoylethanolamide (18:2) | 324 | 62 | + |
| NADA | N-Arachidonoyl dopamine (28:4) | 440 | 137 | + |
| OEA | N-Oleoylethanolamide (18:1) | 326 | 62 | + |
| PEA | N-Palmitoylethanolamide (16:0) | 300 | 62 | + |
| SEA | N-Stearoylethanolamide (18:0) | 328 | 62 | + |
| 2-AGE | 2-Arachidonyl glycerol ether (20:4) | 365 | 273 | + |
| DEA | N-Docosatetraenoylethanolamide (22:4) | 376 | 62 | + |
| DGLEA | Dihomo-γ-Linolenoyl Ethanolamide (18:3) | 350 | 62 | + |
| O-AEA | O-Arachidonoyl ethanolamine (20:4) | 348 | 62 | + |
| 2-LG | 2-Linoleoyl glycerol (18:2) | 355 | 263 | + |
| 1-LG | 1-Linoleoyl glycerol (18:2) | 355 | 263 | + |
| 2-OG | 2-Oleoyl glycerol (18:1) | 357 | 265 | + |
| EPEA | Eicosapentaenoyl ethanolamide (20:5) | 346 | 62 | + |
| POEA | N-Palmitoleoylethanolamide (16:1) | 298 | 62 | + |
| ETAEA | Eicosatrienoic acid ethanolamide (20:3) | 350 | 62 | + |
| PDEA | N-Pentadecanoyl ethanolamide (15:0) | 286 | 62 | + |
| α-LEA | N-α-Linolenylethanolamide (18:2) | 322 | 62 | + |
| OA | Oleic acid (18:1) | 281 | 263 | – |
| LA | Linoleic acid (18:2-ω6) | 279 | 261 | – |
| α-LA | α-Linolenic acid (18:3-ω3) | 277 | 233 | – |
| γ-LA | γ-Linolenic acid (18:3-ω6) | 277 | 233 | – |
| DGLA | Dihomo-γ-linolenic acid (20:3-ω6) | 305 | 261 | – |
| MA | Mead acid (20:3-ω9) | 305 | 261 | – |
| AA | Arachidonic Acid (20:4-ω6) | 303 | 259 | – |
| EPA | Eicosapentaenoic acid (20:5-ω3) | 301 | 257 | – |
| DTA | Docosatetraenoic acid (22:4-ω6) | 332 | 288 | – |
| DHA | Docosahexaenoic acid (22:6-ω3) | 327 | 283 | – |
| Internal standards | ||||
| DAG (34:0) | 1-margaroyl-2-margaroyl-sn-glycerol | 614 | 327 | + |
| 2-AG (20:4)-d8 | 2-Arachidonoylglycerol-d8 | 387 | 294 | + |
| PEA (16:0)-d4 | Palmitoyl ethanolamide-d4 | 304 | 62 | + |
| SEA (18:0)-d3 | Stearoyl ethanolamide-d3 | 331 | 62 | + |
| OEA (18:1)-d4 | Oleoyl ethanolamide-d4 | 330 | 66 | + |
| LEA (18:2)-d4 | Linoleoyl ethanolamide-d4 | 328 | 66 | + |
| AEA (20:4)-d8 | Arachidonoyl ethanolamide-d8 | 356 | 62 | + |
| DHEA (22:6)-d4 | Docosahexaenoyl ethanolamide-d4 | 376 | 66 | + |
| NADA (28:4)-d8 | N-Arachidonoyl dopamine-d8 | 448 | 137 | + |