Table 2.
Chemical constituents identified in the essential oil of Origanum majorana L. and respective concentrations through high resolution gas chromatography in a flame ionization detector (CG-FID).
| Constituents | Retention rate | Area | Concentration (%) |
|---|---|---|---|
| α-Thujene | 932 | 281,814 | 1.1 |
| α-Pinene | 932 | 494,138 | 2.0 |
| Camphene | 941 | 96,074 | 0.4 |
| Sabinene | 946 | 1,669,329 | 6.7 |
| β-Pinene | 975 | 470,225 | 1.9 |
| Myrcene | 984 | 408,894 | 1.6 |
| α-Phellandrene | 1003 | 226,808 | 0.9 |
| α-Terpinene | 1015 | 1,152,102 | 4.6 |
| p-Cymene | 1019 | 1,755,163 | 7.0 |
| Limonene | 1023 | 1,316,921 | 5.3 |
| 1,8-Cineole | 1027 | 5,222,929 | 20.9 |
| β-Ocimene | 1056 | 34,661 | 0.1 |
| γ-Terpinene | 1089 | 2,130,943 | 8.5 |
| Trans sabinene hydrate | 1094 | 564,967 | 2.3 |
| Linalool | 1099 | 1,096,294 | 4.4 |
| Camphor | 1142 | 48,346 | 0.2 |
| Terpinen-4-ol | 1175 | 5,100,062 | 20.4 |
| α-Terpineol | 1188 | 1,162,894 | 4.7 |
| Linalyl acetate | 1261 | 438,735 | 1.8 |
| Bornila acetate | 1285 | 212,333 | 0.8 |
| β-Caryophyllene | 1421 | 546,553 | 2.2 |
| Humulene | 1453 | 41,993 | 0.2 |
| Others | 517,426 | 2.1 |