Table 3.
Comparison of metabolites from methanol precipitation (MeOH) and MTBE extraction (MTBE) on RPC and HILIC column in both positive and negative ionization mode.
| MeOH | MTBE | Common features (%)a |
Unique in MeOH |
Unique in MTBE |
|
|---|---|---|---|---|---|
| RP-Positive Mode | 1410 | 1828 | 560 (31%) | 850 | 1268 |
| RP-Negative Mode | 512 | 619 | 325 (53%) | 187 | 294 |
| HILIC-Positive Mode | 1669 | 1297 | 685 (53%) | 984 | 612 |
| HILIC-Negative Mode | 467 | 271 | 203 (75%) | 264 | 68 |
a
The percentage of common is calculated by the number in common vs numbers in MTBE extraction.