Table 2.
Polar lipids identified in P. vulgaris varieties through LC-MS analysis in positive ion mode.
| N° | Compound | Rt (min) | Molecular Formula | [M + H]+ | ppm | MS/MS |
|---|---|---|---|---|---|---|
| 24 | L-PC (18:3) | 22.62 | C26H48O7NP | 518.3230 | −2.15 | 184.07/469.80/335.25/268.89 |
| 25 | L-PC (18:3) | 22.68 | C26H48O7NP | 518.3230 | −2.15 | 184.07/104.11 |
| 26 | L-PC (18:2) | 23.64 | C26H50O7NP | 520.3368 | −1.72 | 184.07 |
| 27 | L-PC (18:2) | 23.98 | C26H50O7NP | 520.3368 | −1.72 | 184.07 |
| 28 | L-PC(16:0) | 24.49 | C24H50O7NP | 496.3389 | 1.56 | 184.07/104.11/313.27 |
| 29 | L-PC(16:0) | 24.88 | C24H50O7NP | 496.3389 | 1.56 | 184.07/104.11/313.27 |
| 30 | L-PC(18:1) | 25.32 | C26H52O7NP | 522.3550 | 1.85 | 184.07 |
| 31 | L-PC(18:1) | 25.68 | C26H52O7NP | 522.3550 | 1.85 | 184.07/104.11 |
| 32 | NA-GPE | 22.95 | C23H44O7NP | 478.2925 | −0.57 | 337.27/306.28 |
| 33 | NA-GPE | 23.30 | C23H44O7NP | 478.2925 | −0.57 | 337.27/306.28/155.01 |
Lyso-forms of phosphatidylcholine (L-PC), N-acyl glycerophosphatidylethanolamines (NA-GPE). In bold, diagnostic product ions. The compounds were identified using the “Compound Discoverer software version 3.3.3.200” platform and literature data, such as references [46].