Extraction of α-tocopherol from palm leaflets by supercritical carbon dioxide (SCCO2) was attempted. The yields of SCCO2 extracts and α-tocopherol from dry samples were higher than those obtained from wet samples. It was also found that using dry samples at 200kg/cm2 and 40ºC, it is possible to produce an extract containing more than 9% of α-tocopherol with a yield greater than 90%.
Author Information
* Department of Food Chemistry,
Faculty of Agriculture,
Tohoku University, Sendai 980, Japan
** Koriyama Women's College,
Koriyama, Fukushima 963, Japan.
+ Department of Chemical Engineering,
Faculty of Engineering,
Tohoku University, Sendai 980, Japan.
++ Present Address: Palm Oil Research Institute of Malaysia,
P O Box 10620, 50720 Kuala Lumpur.
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