In recent times, inulinase has emerged as one the most prominent and industrially upcoming enzymes applied to meet the ever increasing demand of d-fructose and fructooligosaccharides (FOS) as sweetener and prebiotics in the food and pharmaceutical industry, respectively. This review deals with types of inulinase and the attempts made to modify it for better thermal stability and shelf life. The ease of immobilization of inulinase has led us to the path of experimenting with different methods of enzyme immobilization since 1979. Several modes of immobilization ranging from simple cross-linking of enzymes onto a polymer support to nanoparticles have been applied over the years. The approach and concept of this review provide a yet unexplored focus on pioneering advances for the development of white biotechnology, for instance production of immobilized inulinase-based reusable biocatalysts and bioreactors designed for their use and for the continuous production of fructose and FOS.
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