Table 1. Lipid classes and their respective internal standard for normalization.
| Lipid class | Internal standard for normalization |
|---|---|
| SM | SM (16:0) (d7) |
| CE | CE(22:6) (d7) |
| CER | CER(16:0) (d9) |
| DCER | DCER(16:0) (d9) |
| HCER | HCER(16:0) (d9) |
| LCER | LCER(16:0) (d9) |
| TAG | TAG(52:1/FA18:0) (d9) |
| DAG | TAG(52:1/FA18:0) (d9) |
| MAG | TAG(52:1/FA18:0) (d9) |
| LPC | LPC(16:0) (d9) |
| PC | PC(16:0/16:1) (d9) |
| LPE | LPE(18:0) (d5) |
| PE | PE(18:0/18:1) (d5) |
| LPG | LPC(16:0) (d9) |
| PG | PC(16:0/16:1) (d9) |
| LPI | LPC(16:0) (d9) |
| PI | PC(16:0/16:1) (d9) |
| LPS | LPC(16:0) (d9) |
| PS | PC(16:0/16:1) (d9) |
| Myristic acid | FFA(17:1) |
| Palmitic acid | FFA(17:1) |
| Stearic acid | FFA(17:1) |
| Oleic acid | FFA(17:1) |
| Linoleic acid | FFA(17:1) |