Table 1.
NMR data of fatty acids moieties
| C Shift [ppm] | H Shift [ppm] | Multiplicity | Coupling [Hz] | |
|---|---|---|---|---|
| 3′ OH C12:1 FA | ||||
| O=C1–OH | 175.95 | |||
| –C2H2– | 42.39 | 2.46, 2.24 | dd, dd | 15.4, 8.25, 4.6 |
| –C3H–OH | 69.6 | 4.00 | m | |
| –C4H2– | 35.8 | 2.26 | m | |
| –C5H= | 125.7 | 5.43 | m | |
| –C6H= | 133.5 | 5.50 | m | |
| –C7H2– | 28.3 | 2.05 | q | 7.1 |
| –C8H2– | 30.7 | 1.37 | m | |
| –C9H2– | 30.1 | 1.34 | m | |
| –C10H2– | 32.9 | 1.31 | m | |
| –C11H2– | 23.7 | 1.33 | m | |
| –C12H3 | 14.4 | 0.90 | t | 6.8 |
| C14/C14:1 FA | ||||
| O=C1–OH | 177.8 | |||
| –C2H2– | 35.1 | 2.27 | t | 7.4 |
| –C3H2– | 26.1 | 1.59 | m | |
| –C4H2– | 30.26 | 1.33 | ||
| –C5H2– | 30.6 | 1.33 | ||
| –C6H2– | 30.3 | 1.33 | ||
| –C7H2– | 31.1 | 1.33 | m | |
| –C8H2– | 28.17 | 2.03 | dd | 12.3, 6.4 |
| –C9H2–/–C9H= | 130.9 | 5.34 | ||
| –C10H2–/–C10H= | 130.9 | 5.34 | ||
| –C11H2– | 28.17 | 2.03 | dd | 12.3, 6.4 |
| –C12H2– | 33.1 | 1.29 | m | |
| –C13H2– | 23.8 | 1.32 | m | |
| –C14H3 | 14.6 | 0.89 | t | 6.6 |
Chemical shifts of carbon and hydrogen nuclei, multiplicity of the peak observed and its coupling constant of 3′ hydroxy lauroleic acid from fractions 60–61 (3′OH C12:1 FA) and potential myristic/myristoleic acid from farctions 67–69 (C14/C14:1 FA)
FA fatty acid, d doublet, t triplet, q quartett, m multiplet