Table 3 Chemical composition of rosemary essential oil extracted by hydrodistillation, supercritical CO2 and olive oil maceration.
From: In sight on olive oil maceration and supercritical CO2 in extracting rosemary essential oil
Compound | Hydro distillation | Supercritical CO2 | Maceration | |||
|---|---|---|---|---|---|---|
Rt (min) | Area (%) | Rt (min) | Area (%) | Rt (min) | Area (%) | |
α-Pinene | 7.447 | 11.38 | 8.353 | 2.68 | 7.447 | 14.44 |
Camphene | 7.884 | 4.16 | 8.811 | 0.75 | 7.896 | 4.14 |
p-Cymene | 10.531 | 2.69 | ||||
1,8-cineole | 10.746 | 50.60 | 11.58 | 37.54 | 10.688 | 62.67 |
Camphor | 14.675 | 16.55 | 15.483 | 18.51 | 14.698 | 12.81 |
Borneol | 15.473 | 8.52 | 16.290 | 18.79 | 15.526 | 3.75 |
6-Terpineol | 15.561 | 0.67 | ||||
4-Terpineol | 15.905 | 1.05 | ||||
α-Terpinol | 16.394 | 4.38 | 17.32 | 10.77 | 15.99 | 0.50 |
Copaene | 23.219 | 1.03 | ||||
Caryophyllene | 24.512 | 9.94 | 23.92 | 1.70 | ||