Table 1.
Seven isomers with the same neutral mass 1585.6 detected by HPLC-Chip/TOF from pooled HMOs sample.
| Mass (exp) | Mass (cal) | Error(Da) | Hex | Fuc | HexNAc | NeuAc | RT(min) | Abund. |
|---|---|---|---|---|---|---|---|---|
| 1585.585 | 1585.586 | −0.001 | 5 | 1 | 3 | 18.85 | 747173 | |
| 1585.583 | 1585.586 | −0.003 | 5 | 1 | 3 | 19.89 | 6403774 | |
| 1585.585 | 1585.586 | −0.001 | 5 | 1 | 3 | 20.76 | 391731 | |
| 1585.588 | 1585.586 | 0.002 | 5 | 1 | 3 | 21.36 | 1651982 | |
| 1585.585 | 1585.586 | −0.002 | 5 | 1 | 3 | 22.27 | 2861336 | |
| 1585.589 | 1585.586 | 0.003 | 5 | 1 | 3 | 22.92 | 1326146 | |
| 1585.586 | 1585.586 | 0.000 | 5 | 1 | 3 | 23.47 | 1846421 |
*
the abundance is from HPLC-Chip/TOF counts per second (cps)