Table 1. Essential oil composition (%) of S. khuzistanica.
| No | RI | Percentage (%) | Compound | Identification method |
| 1 | 925 | t | α-Thujene | RI, MS |
| 2 | 933 | t | α-Pinene | RI, MS, CoI |
| 3 | 981 | t | Myrcene | RI, MS |
| 4 | 1013 | 0.26±0.02 | α-Terpinene | RI, MS, CoI |
| 5 | 1017 | 0.55±0.28 | p-Cymene | RI, MS, CoI |
| 6 | 1026 | 0.32±0.54 | Limonene | RI, MS, CoI |
| 7 | 1036 | 0.36±0.17 | Z-β-Ocimene | RI, MS |
| 8 | 1053 | 0.49±0.07 | γ-Terpinene | RI, MS, CoI |
| 9 | 1081 | 0.11±0.04 | trans-Sabinene hydrate | RI, MS |
| 10 | 1163 | t | Terpin-4-ol | RI, MS |
| 11 | 1175 | t | α-Terpinole | RI, MS |
| 12 | 1266 | t | Thymol | RI, MS, CoI |
| 13 | 1282 | 94.97±0.68 | Carvacrol | RI, MS, CoI |
| 14 | 1329 | t | Thymyl acetate | RI, MS |
| 16 | 1425 | 0.13±0.01 | β-Caryophyllene | RI, MS, CoI |
| 17 | 1427 | t | α-Humulene | RI, MS |
| 18 | 1501 | 0.36±0.17 | β-Bisabolene | RI, MS |
| 19 | 1522 | t | trans-β-Bisabolene | RI, MS |
RI: Retention indices relative to C6-C24 n-alkanes on the DB-5 column; MS: Mass spectroscopy; CoI: Co-injection; t: Trace <0.05%.