Levanase (, levan hydrolase, 2,6-ò-<small>D</small>-fructan fructanohydrolase) is an enzyme with systematic name(2âÂÂ6)-ò-<small>D</small>-fructan fructanohydrolase. This enzyme catalyses the following chemical reaction
Random hydrolysis of (2âÂÂ6)-ò-<small>D</small>-fructofuranosidic linkages in (2âÂÂ6)-ò-<small>D</small>-fructans (levans) containing more than 3 fructose units