Table 1.
Compounds identified in essential oils from leafs of Cinnamomum zeylanicum, Curcuma longa, and Origanum vulgare by CG-MS.
| Peak a | Cinnamomum zeylanicum | Curcuma longa | Origanum vulgare | ||||||
| t RET b | Compounds | %A c | t RET | Compounds | %A | t RET | Compounds | %A | |
|
| |||||||||
| 1 | 3.207 | α-pinene | 1.47 | 5.464 | α-pinene | 1.15 | 3.221 | α-pinene | 0.80 |
| 2 | 3.618 | Benzaldehyde | 4.16 | 5.638 | Myrcene | 0.37 | 3.733 | Bicyclo[3.1.0]hexane | 1.73 |
| 3 | 6.568 | 3-phenylpropionaldehyde | 2.95 | 6.823 | Vinyl propionate | 0.20 | 4.330 | (+)-4-Carene | 3.08 |
| 4 | 6.748 | Borneol | 1.06 | 7.206 | p-Cymene | 1.01 | 4.469 | p-Cymene | 8.29 |
| 5 | 7.077 | α-terpineol | 0.87 | 7.206 | Bisabolone | 0.55 | 4.533 | Cyclohexene | 1.23 |
| 6 | 8.459 | Cinnamic Aldehyde | 46.30 | 8.304 | β-Turmerone | 12.02 | 4.561 | β-Phellandrene | 2.73 |
| 7 | 9.593 | 3-Phenyl-1-propanol | 1.46 | 8.385 | 1,8-cineole | 1.01 | 4.954 | p-Menth-2-en-1-ol | 4.62 |
| 8 | 9.744 | α-Copaene | 16.35 | 8.461 | Camphor | 1.24 | 5.171 | 1,4-cyclohexadiene | 1.21 |
| 9 | 10.346 | trans-β-Caryophyllene | 8.26 | 9.267 | α-Terpineol | 4.13 | 5.361 | cis-Sabinene hydrate | 1.29 |
| 10 | 10.669 | (e)-cinnamyl acetate | 7.54 | 9.645 | Terpinolene | 0.43 | 5.598 | Terpinolene | 3.11 |
| 11 | 10.809 | α-Humulene | 2.16 | 10.167 | α-Zingiberene | 0.29 | 5.651 | 1,6-octadien-3-ol | 5.69 |
| 12 | 11.593 | delta-cadienene | 1.42 | 10.587 | β-Sesquiphellandrene | 2.67 | 5.996 | trans-Sabinene hydrate | 1.59 |
| 13 | 12.422 | (-)-Spathulenol | 2.09 | 12.945 | β-Caryophyllene | 1.00 | 6.877 | cis-p-Menth-2-en-1-ol | 33.88 |
| 14 | 12.481 | Caryophyllene oxide | 2.80 | 13.544 | γ-Curcumene | 6.96 | 7.079 | 3-Cyclohexen-1-ol | 5.26 |
| 15 | 14.645 | benzyl benzoate | 1.12 | 14.397 | ar-Curcumene | 1.58 | 7.669 | (+)-α-Terpineol | 2.61 |
| 16 | – | – | – | 16.664 | Turmerone | 55.43 | 7.817 | Carvacrol methyl ether | 0.94 |
| 17 | – | – | – | 16.739 | β-Sesquiphellandrene | 1.10 | 8.543 | Linalyl acetate | 13.90 |
| 18 | – | – | – | – | – | – | 10.307 | Thymol | 2.41 |
| 19 | – | – | – | – | – | – | 12.400 | trans-β-Caryophyllene | 2.46 |
| 20 | – | – | – | – | – | – | 22.115 | 1H-Cycloprop(E)azulen-7-ol | 3.16 |
a: peak number according to the order of column elution. b: retention time (minutes) of the compounds in column. c: percentage of normalized area which indicates the relative distribution of the compounds in the sample.