TABLE 2.
GC-MS analyses of serum FFA
| Compound | Abbreviation | Target ion m/z | Rta (minutes) | LODb (ng/20 μL) | LOQc (ng/20 μL) |
|---|---|---|---|---|---|
| Palmitoleic acid | FA 16:1 | 311.2 | 5.75 | 0.13 | 0.32 |
| Palmitic acid | FA 16:0 | 313.2 | 5.833 | 0.09 | 0.22 |
| γ-linolenic acid | FA 18:3 γ | 335.2 | 6.569 | 1.89 | 4.96 |
| Stearidonic acid | FA 18:4 | 333.2 | 6.611 | 0.75 | 1.75 |
| Linoleic acid | FA 18:2 | 337.2 | 6.652 | 0.04 | 0.08 |
| α-linolenic acid | FA 18:3 α | 335.2 | 6.698 | 0.19 | 0.48 |
| Oleic acid | FA 18:1 | 339.2 | 6.669 | 0.09 | 0.24 |
| Vaccenic acid | FA 18:1 A | 339.2 | 6.703 | 0.09 | 0.24 |
| Stearic acid | FA 18:0 | 341.2 | 6.79 | 0.08 | 0.21 |
| Arachidic acid | FA 20:0 | 369.2 | 7.917 | 0.12 | 0.31 |
| Arachidonic acid | FA 20:4 | 361.2 | 7.54 | 2.58 | 6.58 |
| Eicosapentaenoic acid | FA 20:5 | 359.2 | 7.595 | 9.65 | 21.31 |
| Dihomo-γ-linoleic acid | FA 20:3 | 363.2 | 7.657 | 0.15 | 0.3 |
| Docosahexaenoic acid | FA 22:6 | 385.25 | 8.798 | 0.91 | 2.25 |
| Adrenic acid | FA 22:4 | 389.25 | 8.842 | 4.35 | 8.93 |
| Docosapentaenoic acid | FA 22:5 | 387.25 | 8.915 | 0.43 | 1.02 |
| Nervonic acid | FA 24:1 | 423.3 | 10.745 | 0.03 | 0.07 |
| Lignocenic acid | FA 24:0 | 425.3 | 10.938 | 0.009 | 0.02 |
| Margaric acid | FA 17:0 | 327.2 | 6.293 | I.S. | I.S. |
aRetention time.
bLimit of detection.
cLimit of quantification.