. "Catalysis of the random hydrolysis of 2,6-beta-D-fructofuranosidic linkages in 2,6-beta-D-fructans (levans) containing more than 3 fructose units." . . "levanase activity" . "2,6-beta-D-fructan fructanohydrolase activity" . "levan hydrolase activity" . . .