Table 1. GC–MS data of the components of the essential oils of M. × piperita.
| Compounds | Retention time (min) | Kovat’s retention index | (%) |
|---|---|---|---|
| Limonene | 481 | 1040 | 5.96 |
| Menthone | 761 | 1146 | 1.12 |
| Borneol | 789 | 1156 | 0.68 |
| Terpinen-4-ol | 820 | 1166 | 0.99 |
| cis-Dihydrocarvone | 866 | 1186 | 19.19 |
| trans-Dihydrocarvone | 885 | 1191 | 1.06 |
| Pulegone | 973 | 1229 | 13.30 |
| Carvone | 984 | 1238 | 42.53 |
| Piperitone | 1011 | 1245 | 1.52 |
| α-Terpinenyl acetate | 1264 | 1323 | 3.45 |
| β-Carvyl acetate | 1296 | 1353 | 1.06 |
| β-Bourbonene | 1355 | 1370 | 1.46 |
| β-Caryophyllene | 1442 | 1397 | 6.78 |
| α-Humulene | 1527 | 1435 | 0.88 |