(deks'trin en'dō glū-kō'si-dās), An enzyme with action similar to that of isoamylase; it cleaves 1,6-α-glucosidic linkages in pullalan, amylopectin, and glycogen, and in α- and β-amylase limit dextrins of amylopectin and glycogen. Compare: isoamylase. Synonym(s): limit dextrinase (1) , pullulanase, R enzyme