ninhydrin reaction

ninhydrin reaction
ninhydrin reaction n a reaction of ninhydrin with amino acids or related amino compounds used for the colorimetric determination of amino acids, peptides, or proteins by measuring the intensity of the blue to violet to red color formed or for the quantitative determination of amino acids by measuring the amount of carbon dioxide produced

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a histochemical test for proteins, in which ninhydrin (triketohydrindene hydrate) is boiled with the test solution and gives a blue colour in the presence of amino acids and proteins.

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see triketohydrindene hydrate test, under test.

Medical dictionary. 2011.

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  • ninhydrin reaction — noun : a reaction of ninhydrin with amino acids or related amino compounds used for the colorimetric determination of amino acids, peptides, or proteins by measuring the intensity of the blue to violet to red color formed or for the quantitative… …   Useful english dictionary

  • ninhydrin reaction — a histochemical test for proteins, in which ninhydrin (triketohydrindene hydrate) is boiled with the test solution and gives a blue colour in the presence of amino acids and proteins …   The new mediacal dictionary

  • Ninhydrin — Ninhydrin …   Wikipedia

  • Ninhydrin — Strukturformel Allgemeines Name Ninhydrin Andere Namen 2 …   Deutsch Wikipedia

  • Реакция Нингидриновая (Ninhydrin Reaction) — гистохимический тест на наличие белка, в котором нингидрин (гидрат трикетогидриндена) доводится до кипения вместе с тестируемым раствором и дает синюю окраску, если в растворе присутствуют аминокислоты и белки. Источник: Медицинский словарь …   Медицинские термины

  • ninhydrin — (triketohydrindene hydrate)    A strong oxidizing agent and causes the oxidative deamination of the ( amino function. The products of the reaction are the resulting aldehyde, ammonia, carbon dioxide, and hydrindantin, a reduced derivative of… …   Forensic science glossary

  • reaction — 1. The response of a muscle or other living tissue or organism to a stimulus. 2. The color change effected in litmus and certain other organic pigments by contact with substances such as acids or alkalies; also the property that such substances… …   Medical dictionary

  • ninhydrin — Reacts with free amino acid s to yield CO2, NH3, and an aldehyde, the NH3 produced yielding a colored product (diketohydrindylidene diketohydrinamine, a bi indanedione derivative). SEE ALSO: n. reaction. * * * nin·hy·drin nin hī drən n a… …   Medical dictionary

  • РЕАКЦИЯ НИНГИДРИНОВАЯ — (ninhydrin reaction) гистохимический тест на наличие белка, в котором нингидрин (гидрат трикетогидриндена) доводится до кипения вместе с тестируемым раствором и дает синюю окраску, если в растворе присутствуют аминокислоты и белки …   Толковый словарь по медицине

  • Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… …   Wikipedia

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