Table 3.
Ions identified by the S-Plot in both groups. The ions were related to the lipid subclass and mass error
| Mass (m/z) | Group | Chemical Formula | Lipid subclass | Adducts | Mass error (ppm) |
|---|---|---|---|---|---|
| 750.4191 | NP | C38H66NO10P | PS(18:3(9Z,12Z,15Z)/14:1(9Z)) | M+Na [1+] | 16.67 |
| PS(14:1(9Z)/18:3(9Z,12Z,15Z)) | M+Na [1+] | ||||
| 807.4818 | NP | C41H75O13P | PI(16:2(9Z,12Z)/16:0) | M+H [1+] | 24.72 |
| PI(16:1(9Z)/16:1(9Z)) | M+H [1+] | ||||
| PI(16:0/16:2(9Z,12Z)) | M+H [1+] | ||||
| 806.4842 | NP | C42H74NO10P | PS(20:4(5Z,8Z,11Z,14Z)/16:0) | M+Na [1+] | 12.41 |
| PS(20:3(8Z,11Z,14Z)/16:1(9Z)) | M+Na [1+] | ||||
| PS(18:3(9Z,12Z,15Z)/18:1(9Z)) | M+Na [1+] | ||||
| PS(18:2(9Z,12Z)/18:2(9Z,12Z)) | M+Na [1+] | ||||
| PS(18:1(9Z)/18:3(9Z,12Z,15Z)) | M+Na [1+] | ||||
| PS(16:1(9Z)/20:3(8Z,11Z,14Z)) | M+Na [1+] | ||||
| PS(16:0/20:4(5Z,8Z,11Z,14Z)) | M+Na [1+] | ||||
| 822.4423 | NP | C45H70NO8P | PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/18:4(6Z,9Z,12Z,15Z)) | M+K [1+] | 0.001 |
| PE(20:5(5Z,8Z,11Z,14Z,17Z)/20:5(5Z,8Z,11Z,14Z,17Z)) | M+K [1+] | ||||
| PE(18:4(6Z,9Z,12Z,15Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) | M+K [1+] | ||||
| 1041.54 | NP | UNIDENTIFIED | >50 | ||
| 886.6428 | P | C52H88NO8P | PC(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/22:2(13Z,16Z)) | M+H [1+] | 12.18 |
| PC(22:4(7Z,10Z,13Z,16Z)/22:4(7Z,10Z,13Z,16Z)) | M+H [1+] | ||||
| PC(22:2(13Z,16Z)/22:6(4Z,7Z,10Z,13Z,16Z,19Z)) | M+H [1+] | ||||
| C50H90NO8P | PC(20:0/22:5(7Z,10Z,13Z,16Z,19Z)) | M+Na [1+] | 14.94 | ||
| PC(20:0/22:5(4Z,7Z,10Z,13Z,16Z)) | M+Na [1+] | ||||
| PC(18:4(6Z,9Z,12Z,15Z)/24:1(15Z)) | M+Na [1+] | ||||
| PC(24:1(15Z)/18:4(6Z,9Z,12Z,15Z)) | M+Na [1+] | ||||
| PC(22:5(7Z,10Z,13Z,16Z,19Z)/20:0) | M+Na [1+] | ||||
| PC(22:5(4Z,7Z,10Z,13Z,16Z)/20:0) | M+Na [1+] | ||||
| PC(22:4(7Z,10Z,13Z,16Z)/20:1(11Z)) | M+Na [1+] | ||||
| PC(22:2(13Z,16Z)/20:3(8Z,11Z,14Z)) | M+Na [1+] | ||||
| PC(22:2(13Z,16Z)/20:3(5Z,8Z,11Z)) | M+Na [1+] | ||||
| PC(22:1(13Z)/20:4(8Z,11Z,14Z,17Z)) | M+Na [1+] | ||||
| PC(22:1(13Z)/20:4(5Z,8Z,11Z,14Z)) | M+Na [1+] | ||||
| PC(22:0/20:5(5Z,8Z,11Z,14Z,17Z)) | M+Na [1+] | ||||
| PC(20:5(5Z,8Z,11Z,14Z,17Z)/22:0) | M+Na [1+] | ||||
| PC(20:4(8Z,11Z,14Z,17Z)/22:1(13Z)) | M+Na [1+] | ||||
| PC(20:4(5Z,8Z,11Z,14Z)/22:1(13Z)) | M+Na [1+] | ||||
| PC(20:3(8Z,11Z,14Z)/22:2(13Z,16Z)) | M+Na [1+] | ||||
| PC(20:3(5Z,8Z,11Z)/22:2(13Z,16Z)) | M+Na [1+] | ||||
| PC(20:1(11Z)/22:4(7Z,10Z,13Z,16Z)) | M+Na [1+] | ||||
| 858.9356 | P | UNIDENTIFIED | >50 | ||
| 917.06 | P | UNIDENTIFIED | >50 |
NP Non-pregnant group; P Pregnant group; PS Phosphatidylserine; PI Phosphatidylinositol; PE Phosphatidylethanolamine; PC Phosphatidylcholine