Table 1. Statistics of the annotated metabolites.
| Mode | Number of all features | Number of high quality features | Number of MS1 candidate metabolites | Number of MS1 annotated metabolites | Number of MS2 annotated metabolites |
|---|---|---|---|---|---|
| ESI+ | 11,306 | 9,050 | 9,686 | 6,092 | 451 |
| ESI− | 8,616 | 7,487 | 6,030 | 3,554 | 325 |