Enzymatic synthesis of carbohydrate esters in aqueous media |
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| Authors: | A. E. M. Janssen A. G. Lefferts K. van't Riet |
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| Affiliation: | (1) Department of Food Science, Food and Bioprocess Engineering Group, Wageningen Agricultural University, P.O. Box 8129, 6700 EV Wageningen, The Netherlands |
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| Abstract: | Summary In a two-phase system of D-sorbitol in water and decanoic acid the esterification is catalyzed by lipase fromCandida rugosa. The initial esterification rate is 3.0 mmole/g.h and is strongly dependent on the water content of the reaction mixture. In a two-phase membrane reactor the initial esterification rate is 6.8 mmole/g.h. After 570 hours this reaction rate is reduced by 15%, which indicates a fairly good stability of lipase in this membrane system. |
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