E-mail: [email protected] Abstract: Different dextran esters with various degrees of substitution (1, 2 and 3) were synthesized by esterification reaction, with three acid anhydrides: acetic anhydride, propionic anhydride, and butyric anhydride, separately. These modified polysaccharides were characterized by FT-IR, H NMR and C NMR spectroscopies. Enzymatic degradation of biopolymers by dextr...