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EnglishTHE SCHOLAR'S LEXICON

mannose

/man-ohs/US // ˈmæn oʊs //UK // (ˈmænəʊs, -nəʊz) //

甘露糖,麦芽糖,曼糖,海洛因

Definitions

n.名词 noun
  1. 1

    Chemistry.

    • : a hexose, C6H12O6, obtained from the hydrolysis of the ivory nut and yielding mannitol upon reduction.

Examples

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

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

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

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

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

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