Enzymatic preparation of a carbohydrate ester of medium-chain fatty acid in supercritical carbon dioxide

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Title
Enzymatic preparation of a carbohydrate ester of medium-chain fatty acid in supercritical carbon dioxide
Author(s)
Joo Hyung Heo; Sun Young Kim; Hae Sung Kim; Ki Pung Yoo
Bibliographic Citation
Biotechnology Letters, vol. 22, no. 12, pp. 995-998
Publication Year
2000
Abstract
Acylation of methyl-β-D-fructofuranoside and caprylic acid with an immobilized lipase, Novozym 435, was carried out in supercritical carbon dioxide (SCCO2) with tert-butanol as a co-solvent. Initial rate of acylation was 12-fold higher in SCCO2 than in tert-butanol. The equilibrium conversion was increased up to 70% with an increase in the molar ratio up to a maximum of 1:20 (methyl-β-D-fructofuranoside:caprylic acid) at 16 MPa and 70 °C.
Keyword
acylationlipasemethyl-β-D-fructofuranosidesupercritical carbon dioxidetert-butanol
ISSN
0141-5492
Publisher
Springer
DOI
http://dx.doi.org/10.1023/A:1005689204551
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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