Table 1.
Percentage composition and retention time of chemical composition of unripe lime essential oil.
| Peak no. | Components | Formulae | Measured (m/z) [M + H]+ | Relative (%) | Retention time (min.) | Main product ions [M + H]+ |
|---|---|---|---|---|---|---|
| 1 | Pinene | C10H16 | 136 | 14.3 | 5.05 | 136, 121, 107, 93, 81, 79, 69, 43 |
| 2 | Germacrene A | C15H26 | 207 | 49.0 | 6.08 | 206, 136, 121, 106, 93, 68, 44 |
| 3 | Germacrene B | C15H26 | 207 | 12.2 | 6.79 | 206, 136, 121, 106, 93, 68, 44 |
| 4 | Linalool dimer | 2(C10H18O) | 309 | 2.9 | 7.52 | 110, 94, 79, 59, 44, 40 |
| 5 | Anisole | C7H8O | 110 | 1.1 | 9.64 | 110, 94, 84, 79, 77, 69, 59 |
| 6 | Bornane | C10H18 | 139 | 11.3 | 10.32 | 139, 136, 121, 107, 93, 81, 43 |
| 7 | Anethole | C10H12O | 148 | 1.5 | 11.67 | 147, 119, 108, 94, 69, 55 |
| 8 | Citral/geranial | C10H16O | 152 | 2.9 | 12.48 | 152, 137, 123, 109, 94, 69 |
| 9 | Safrole | C10H10O2 | 161 | 0.3 | 14.48 | 161, 136, 121, 108, 93, 77, 55 |
| 10 | Demitol | C9H20O | 145 | 0.6 | 15.04 | 145, 128, 114, 97, 83, 69, 57, 44 |