Reaction catalyzed by 2,1-fructan:2,1-fructan 1-fructosyltransferase (2.4.1.100)
=
+
nystose
=
1F(1-beta-D-fructofuranosyl)2-6G-beta-D-fructofuranosysucrose
+
1F(1-beta-D-fructofuranosyl)3sucrose