Molisch test

noun
biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha-naphthol in the presence of sulfuric acid
Hypernyms: ↑indicator

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noun

Useful english dictionary. 2012.

Look at other dictionaries:

  • Molisch test — Mo·lisch test mō lish n a test for carbohydrate (as sugar) in which a reddish violet color is formed by reaction with alpha naphthol in the presence of concentrated sulfuric acid called also Molisch reaction Molisch Hans (1856 1937) German… …   Medical dictionary

  • Molisch test (reaction) — Mo·lisch test (reaction) (moґlish) [Hans Molisch, Czech botanist in Vienna, 1856–1937] see under test …   Medical dictionary

  • Molisch's test — (named after Austrian botanist Hans Molisch) is a sensitive chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde, which condenses with two molecules of phenol… …   Wikipedia

  • Molisch reaction — noun biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha naphthol in the presence of sulfuric acid • Syn: ↑alpha naphthol test, ↑Molisch s test,… …   Useful english dictionary

  • Molisch's test — noun biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha naphthol in the presence of sulfuric acid • Syn: ↑alpha naphthol test, ↑Molisch test, ↑Molisch… …   Useful english dictionary

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Molisch — Hans, Austrian chemist, 1856–1937. See M. test …   Medical dictionary

  • Molisch reaction — see under test …   Medical dictionary

  • alpha-naphthol test — noun biochemical indicator of the presence of carbohydrates in a solution; if carbohydrates are present a violet ring is formed by reaction with alpha naphthol in the presence of sulfuric acid • Syn: ↑Molisch s test, ↑Molisch test, ↑Molisch… …   Useful english dictionary

  • Réaction de Molisch — La réaction de Molisch est une réaction chimique qui démontre la présence dans une solution de tous les hydrates de carbone (glucides) comme, par exemple, les molécules sucrantes notamment (oses et diholosides). Elle consiste à mélanger la… …   Wikipédia en Français


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