Table 1.
N | Category | Lipid | Molecular Formula | LogP | m/z | Adduct | Min. |
---|---|---|---|---|---|---|---|
1 | Fatty Acid | Arachidonic Acid (20:4) | C20H31O2 | 6.22 | 303.23 | [M–H]− | 4.6 |
2 | Fatty Acid | Oleic Acid (18:1) | C18H33O2 | 6.11 | 281.24 | [M–H]− | 6.1 |
3 | Fatty Acid | Stearic Acid (18:0) | C18H35O2 | 6.33 | 283.20 | [M–H]− | 7.6 |
4 | Fatty Acid | Palmitic Acid (16:0) | C16H31O2 | 5.55 | 255.23 | [M–H]− | 5.8 |
5 | Phospholipid | PI (18:0/18:1) | C45H85O13P | 11.81 | 863.57 | [M–H]− | 11.2 |
6 | Phospholipid | Lyso PC (18:1) | C26H51NO7P | 6.56 | 520.34 | [M+H]+ | 2.0 |
7 | Phospholipid | PC (34:2) | C42H79NO8P | 12.37 | 756.55 | [M+H]+ | 10.3 |
8 | Phospholipid | PC (34:1) | C42H81NO8P | 12.59 | 758.57 | [M+H]+ | 10.8 |
9 | Phospholipid | PE (36:1) | C41H81NO8P | 13.43 | 746.57 | [M+H]+ | 11.0 |
10 | Sphingolipid | SM (d18:1/16:0) | C39H80N2O6P | 11.21 | 703.57 | [M+H]+ | 10.4 |
11 | Sphingolipid | HexCer (d18:1/16:0) | C40H78NO8 | 9.96 | 700.57 | [M+H]+ | 10.8 |
12 | Sphingolipid | Cer (d18:1/24:0) | C42H84NO3 | 13.54 | 650.64 | [M+H]+ | 16.1 |
13 | Sterol | Cholesterol | C27H44 | 7.68 | 369.35 | [M–H2O+H]+ | 10.3 |
14 | Sterol | CE (18:2) | C45H77O2 | 14.04 | 666.62 | [M+NH4]+ | 19.8 |
15 | Triacylglycerol | TG (16:0/18:1/18:1) | C55H106NO6 | 18.4 | 876.80 | [M+NH4]+ | 20.2 |