mannose

[ man-ohs ]

noun

, Chemistry.

1. a hexose, C 6 H 1 2 O 6 , obtained from the hydrolysis of the ivory nut and yielding mannitol upon reduction.

mannose

/ ˈmænəʊs; -nəʊz /

noun

1. a hexose sugar found in mannitol and many polysaccharides. Formula: C 6 H 12 O 6

mannose

/ măn′ōs′ /

1. A naturally occurring simple sugar that is a stereoisomer of glucose. Chemical formula: C 6 H 12 O 6 .

Word History and Origins

Origin of mannose¹

First recorded in 1885–90; mann(a) + -ose ²

Word History and Origins

Origin of mannose¹

C20: from manna + -ose ²

Example Sentences

The process is reversible; mannose can be converted to mannonic acid, thence to gluconic acid, thence to glucose.

From Project Gutenberg

The hydrazones of the common sugars, with the exception of the one from mannose, are colorless compounds, easily soluble in water.

From Project Gutenberg

Mannan bears the same relation to mannose that starch does to glucose and inulin to fructose.

From Project Gutenberg

When hydrolyzed, they yield arabinose and a hexose; the latter is sometimes galactose and sometimes mannose.

From Project Gutenberg

Fresh samples of yeast ferment mannose more quickly than glucose, but by older samples the glucose is the more rapidly decomposed.

From Project Gutenberg