B ACILLUS tequilens was a good levansucrase producer (222.2U/mL) with levan yield (130 g/L).The levan yield was characterized by FT-IR and the results recorded that the product was mainly fructose.Levansucrase produced by Bacillus tequilens was immobilized by covalent binding on κ-carrageenan and carboxy methyl cellulose gel beads activated by two-step method; the gel beads were soaked in polyethy...