Preparation of PVA/chitosan lipase membrane reactor and its application in synthesis of monoglyceride |
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Authors: | Tianwei Tan Fang Wang Hua Zhang |
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Institution: | Department of Biochemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China |
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Abstract: | Polyvinyl alcohol (PVA)/chitosan (CS) composite lipase membrane was prepared in this paper, which was used for enzymatic processing of fats and oils. The parameters, such as concentration of lipase, pH, and cross-linking agent as well as metal ions, which influence the immobilization of lipase in membrane, were optimized. The immobilized activity of lipase was 2.64 IU/cm2 with recovery of 24%. The membrane reactor was used in a two-phase system reaction to synthesize monoglyceride (MG) by hydrolysis of palm oil, which was reused for at least nine batches with yield of 32–50%. |
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Keywords: | Lipase Membrane reactor Monoglyceride |
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