Immobilization of Candida rugosa lipase for resolution of racimic ibuprofen



Due to lipases’ regio-selectivity and ability to catalyze different reactions such as hydrolysis, esterification, and transesterification, the enzyme is attractive in biotransformation technology. Besides, another technology, namely enzyme immobilization, has attracted scientists/technologists’ attention to employ immobilized lipase in such a field. Thus lipase of Candida rugosa was immobilized onto silica nanoparticles through adsorption. Furthermore, the immobilized biocatalyst was characterized and used to esterify ibuprofen enantioselectively.


To characterize immobilized lipase onto silica nanoparticles scanning electron microscopy (SEM) and dynamic light scattering (DLS) were used.


The catalytic properties of both immobilized and free lipases such as optima pH and temperature were not different. According to the results, the immobilized lipase on silica nanoparticles showed 45% and 96% conversion (C) and enantioselectivity (ees), respectively. In comparison to free lipase, the immobilized enzyme came with better catalytic activity.


Silica nanoparticles as one of the most promising materials for the immobilization of lipase in enantioselective esterification of ibuprofen, were introduced in this work.

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The authors acknowledge the technical support of the Department of Biochemistry, Tehran University of Medical Sciences.

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Correspondence to Dariush Norouzian.

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Ghofrani, S., Allameh, A., Yaghmaei, P. et al. Immobilization of Candida rugosa lipase for resolution of racimic ibuprofen. DARU J Pharm Sci (2021).

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  • Lipase
  • Characterization esterification
  • Enantiomeric resolution