Reaction catalyzed by beta-galactosidase (3.2.1.23)
+
H2O
=
+
beta-D-Galp-(1->3)-beta-D-Galp-(1->3)-D-galactitol
+
H2O
=
beta-D-Galp-(1->3)-D-galactitol
+
D-galactopyranose