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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제19권 제12호
- 발행연도
- 2009.1
- 수록면
- 1,596 - 1,602 (7page)
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초록· 키워드
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A lipase-catalyzed esterification reaction of (S)-naproxen
ethyl ester by CALB (Candida antarctica lipase B) enzyme
was performed in supercritical carbon dioxide. Experiments
were performed in a high-pressure cell for 10 h at a
stirring rate of 150 rpm over a temperature range of
313.15 to 333.15 K and a pressure range of 50 to 175 bar.
The productivity of (S)-naproxen ethyl ester was compared
with the result in ambient condition. The total reaction
time and conversion yields of the catalyzed reaction in
supercritical carbon dioxide were compared with those at
ambient temperature and pressure. The experimental
results show that the conversion and reaction rate were
significantly improved at critical condition. The maximum
conversion yield was 9.9% (216 h) at ambient condition
and 68.9% (3 h) in supercritical state. The effects of
varying amounts of enzyme and water were also examined
and the optimum condition was found (7 g of enzyme and
2% water content).
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참고문헌 (23)
참고문헌 신청
Basheer, S. / 1995 / Surfactantmodified lipase for the catalysis of the interesterification of triglycerides and fatty acids / Biotechnol. Bioeng 45 : 187 ~ 195
Chang, C. S. / 1997 / A facile enzymatic process for the preparation of (S)-naproxen ester prodrug in organic solvents / Enzyme Microb. Technol 20 : 635 ~ 639
Chi, Y. M. / 1988 / Enzymic interesterification in supercritical carbon dioxide / Agric. Biol. Chem 52 : 1541 ~ 1550
Chiang, K. T. / 2007 / Modeling and optimization of designing parameters for a parallel-plain fin heat sink with confined impinging jet using the response surface methodology
Cui, Y.-M. / 1997 / Lipase-catalyzed esterification in organic solvent to resolve racemic naproxen / Biotechnol. Lett 19 : 865 ~ 868
Chang, C. S. / 1997 / A facile enzymatic process for the preparation of (S)-naproxen ester prodrug in organic solvents / Enzyme Microb. Technol 20 : 635 ~ 639
Chi, Y. M. / 1988 / Enzymic interesterification in supercritical carbon dioxide / Agric. Biol. Chem 52 : 1541 ~ 1550
Chiang, K. T. / 2007 / Modeling and optimization of designing parameters for a parallel-plain fin heat sink with confined impinging jet using the response surface methodology
Cui, Y.-M. / 1997 / Lipase-catalyzed esterification in organic solvent to resolve racemic naproxen / Biotechnol. Lett 19 : 865 ~ 868
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