Table 7.
The main signals present in 1H NMR functional groups of MEOA and HYOOA.
| δ (ppm) of MEOAa | δ (ppm) of HYOOAb | Assignment |
|---|---|---|
| 0.86–0.88 | 0.82–0.84 | –CH3 |
| 1.29–2.03 | 1.23–2.06 | –CH2 |
| 2.29–2.33 | 2.26–2.33 | –CH |
| 2.92–3.12 | — | –CH–O–CH– |
| — | 3.62 | –CHOH |
| — | 4.06 | –CHOCOR |
| 5.38–5.49 | 5.31–5.40 | –CH=CH– |
Notes: monoepoxide linoleic acid (a); 9,12-Hydroxy-10,13-oleioxy-12,9-octadecanoic acid (b).