Table 1.
Distribution of fatty acids estimated for a commercial mixture of phosphatidylinositols extracted from bovine liver, as inferred from the PI-related AIF MS scan obtained after HILIC-ESI-FTMS analysis. The FA distribution declared in the PI mixture information sheet is reported in the last column.
| Fatty Acyl Chain | Carboxylate Anion (m/z) | Data Estimated by AIF Scan (%) | Seller Declared (%) |
|---|---|---|---|
| FA C16:0 | 255.233 | 6.3 | − |
| FA C16:1 | 253.217 | 0.5 | − |
| FA C17:0 | 269.249 | 1.5 | − |
| FA C18:0 | 283.264 | 37.6 | ~46.0 |
| FA C18:1 | 281.249 | 12.0 | ~8.0 |
| FA C18:2 | 279.233 | 11.6 | ~6.0 |
| FA C18:3 | 277.217 | 0.7 | − |
| FA C20:2 | 307.264 | 1.6 | − |
| FA C20:3 | 305.248 | 10.6 | ~13.0 |
| FA C20:4 | 303.233 | 17.0 | ~17.0 |
| FA C20:5 | 301.217 | 0.7 | − |
| FA C22:4 | 331.264 | 1.6 | − |
| FA C22:5 | 329.249 | 1.2 | − |
| Others | <1 | ~10.0 |