Mannan is a 6 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 12 points.
You can make 33 anagrams from letters in mannan (aamnnn).
First recorded in 1890-95; mann(ose) + -an
mannan bears the same relation to mannose that starch does to glucose and inulin to fructose.