4.2.2.17 inulin fructotransferase (DFA-I-forming); inulin fructotransferase (DFA-I-producing); inulin fructotransferase (depolymerizing, difructofuranose-1,2':2',1-dianhydride-forming); inulin D-fructosyl-D-fructosyltransferase (1,2':1',2-dianhydride-forming • • •