Table 3.
Main components and their relative contents (%) of lemon oil.
| No | Compound | RT (min) | Contents (%) | KI | Identification * |
|---|---|---|---|---|---|
| 1 | α-Pinene | 10.32 | 1.4% | 935 | MS, KI, ST |
| 2 | Sabinene | 12.11 | 1.2% | 974 | MS, KI, ST |
| 3 | β-Pinene | 12.29 | 8.6% | 978 | MS, KI, ST |
| 4 | β-Myrcene | 12.94 | 0.6% | 991 | MS, KI, ST |
| 5 | p-Cymene | 14.52 | 3.0% | 1025 | MS, KI, ST |
| 6 | Limonene | 14.75 | 73.0% | 1030 | MS, KI, ST |
| 7 | γ-Terpinene | 16.15 | 9.2% | 1060 | MS, KI, ST |
| 8 | Neral | 24.66 | 0.5% | 1238 | MS, KI, ST |
| 9 | Geranial | 26.03 | 0.7% | 1268 | MS, KI, ST |
RT: retention time; * MS: NIST and Wiley libraries and the literature; KI: Kovats index on a DB-5MS column in reference to n-alkanes; ST: authentic standard compounds.