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KMID : 1094720080130060724
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Biotechnology and Bioprocess Engineering
2008 Volume.13 No. 6 p.724 ~ p.729
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Extraction of fucoxanthin and polyphenol from Undaria pinnatifida using supercritical carbon dioxide with co-solvent
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Roh Myong-Kyun
Uddin Salim
Chun Byung-soo
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Abstract
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Extraction of brown seaweed (Undaria pinnatifida) oil was carried out by using supercritical carbon dioxide (SCO2) and ethanol as co-solvent. The flow rate of ethanol was 3.0% (v/v) as compared to that of SCO2. Experiments were performed in a semi-batch flow apparatus on dried samples at temperatures from 303 to 333 K and pressures from 80 to 300 bar. Fucoxanthin and polyphenol were quantitatively analyzed by using HPLC and UV-spectrometer. The highest yields of fucoxanthin and polyphenol were shown at 200 bar, 323 K and 250 bar, 333 K, respectively. The solubility of fucoxanthin in SCO2 agreed well with the Chrastil model.
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KEYWORD
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brown seaweed , Underia pinnatifida, fucoxanthin, polyphenol, supercritical carbon dioxide
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