Wiktionary
n. (context carbohydrate English) A plant polysaccharide that is a highly branched polymer of mannose (or galactose or glucose).
Wikipedia
Mannan may refer to a plant polysaccharide that is a linear polymer of the sugar mannose. Plant mannans have β(1-4) linkages. It is a form of storage polysaccharide. Ivory nut is a source of mannan.
Mannan may also refer to a cell wall polysaccharide found in yeasts. This type of mannan has a α(1-6) linked backbone and α(1-2) and α(1-3) linked branches. It is serologically similar to structures found on mammalian glycoproteins. Detection of mannan leads to lysis in the mannan-binding lectin pathway. This mannan is the source of MOS used as prebiotics in animal husbandry and nutritional supplements.
Mannan is a 1992 Indian Tamil language film starring Rajinikanth, Vijayashanti, Kushboo, Manorama, Pandari Bai, Goundamani, and Visu. This film was a remake of Anuraga Aralithu starring Rajkumar.
Usage examples of "mannan".
The six ways included medicines and herbs he'd never heard of, prayers to someone called Mannan Mac Lir, and a series of healthy exercises that made Toby wince just to look at the illustrations.