Plant |
Targets |
Gas (Supercritical fluids) |
Conditions |
Allium cepa (onion) |
Onion oleoresin; sulphur content; fractional separation |
CO2 |
100/300bar
45/65°C |
Archangelica officinalis (angelica)'' fruits |
Angelica root oil (pinene'' phellandrene'' symene);
content of coumarins |
CO2 |
80-400bar
40°C |
Anthriscus cerefolium (chervil)'' herb |
chervil oil (methylchavicol'' allydimethoxybenzene) |
CO2 |
300bar
40°C |
Apium graveolens (celery)'' herb and seeds |
Oleoresins (triglycerides'' essential oil'' water);
essential oil composition |
CO2 |
70-450bar
20-55°C |
Carum carvi (caraway)'' seeds |
Caraway oil (carvone'' lemonene);
Modelling and kinetic studies |
CO2 |
75-300bar
23-75°C |
Chamomilla recutita (camomile)'' flowers'' ligulate flowers |
Camonile oil (apigenin'' bisabolol'' bisabolol-oxides'' chamazulene);
Fractional extraction;
Modelling and kinetic studies'' scale-up |
CO2
CO2 + ethanol
CO2 + methanol
CO2 + propylene
glycol |
80-260bar
40-80°C |
Cybopogon citratus (lemon grass)'' leaves |
Lemon grass oil;
fractional separation |
CO2 + hexane
CO2 + acetone
CO2 + methanol |
81bar
75°C |
Rosa damascena (rose)'' concrete |
Rose oil (phenylethanol'' citronellol'' phenylethyl acetate); fractional separation |
CO2 |
80-160bar
40/45°C |