{"id":38638,"date":"2020-09-06T11:14:30","date_gmt":"2020-09-06T11:14:30","guid":{"rendered":"https:\/\/www.healthbenefitstimes.com\/glossary\/?p=38638"},"modified":"2021-12-26T08:00:04","modified_gmt":"2021-12-26T08:00:04","slug":"ninhydrin-reaction","status":"publish","type":"post","link":"https:\/\/www.healthbenefitstimes.com\/glossary\/ninhydrin-reaction\/","title":{"rendered":"Ninhydrin reaction"},"content":{"rendered":"<p>A color reaction given by amino acids and peptides on heating with the chemical ninhydrin. The technique is widely used for the detection and quantitation (measurement) of amino acids and peptides. The concentration of amino acid in a solution (of hydrochloric acid) is proportional to the optical absorbance of the solution after heating it with ninhydrin. a-Amino acids give an intense blue color, and amino acids (such as proline) give a yellow color. One is able to determine concentration of a protein or peptide and also obtain an idea of the type of protein or peptide that is present.<\/p>\n<hr \/>\n<p>A histochemical test for proteins, in which ninhydrin (triketohydrindene hydrate) is boiled with the test solution and gives a blue color in the presence of amino acids and proteins.<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A color reaction given by amino acids and peptides on heating with the chemical ninhydrin. The technique is widely used for the detection and quantitation (measurement) of amino acids and peptides. The concentration of amino acid in a solution (of hydrochloric acid) is proportional to the optical absorbance of the solution after heating it with [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-38638","post","type-post","status-publish","format-standard","hentry","category-n"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ninhydrin reaction - Definition of Ninhydrin reaction<\/title>\n<meta name=\"description\" content=\"A color reaction given by amino acids and peptides on heating with the chemical ninhydrin. The technique is widely used for the detection and quantitation (measurement) of amino acids and peptides. The concentration of amino acid in a solution (of hydrochloric acid) is proportional to the optical absorbance of the solution after heating it with ninhydrin. a-Amino acids give an intense blue color, and amino acids (such as proline) give a yellow color. One is able to determine concentration of a protein or peptide and also obtain an idea of the type of protein or peptide that is present.A histochemical test for proteins, in which ninhydrin (triketohydrindene hydrate) is boiled with the test solution and gives a blue color in the presence of amino acids and proteins.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/ninhydrin-reaction\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ninhydrin reaction - Definition of Ninhydrin reaction\" \/>\n<meta property=\"og:description\" content=\"A color reaction given by amino acids and peptides on heating with the chemical ninhydrin. The technique is widely used for the detection and quantitation (measurement) of amino acids and peptides. The concentration of amino acid in a solution (of hydrochloric acid) is proportional to the optical absorbance of the solution after heating it with ninhydrin. a-Amino acids give an intense blue color, and amino acids (such as proline) give a yellow color. One is able to determine concentration of a protein or peptide and also obtain an idea of the type of protein or peptide that is present.A histochemical test for proteins, in which ninhydrin (triketohydrindene hydrate) is boiled with the test solution and gives a blue color in the presence of amino acids and proteins.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.healthbenefitstimes.com\/glossary\/ninhydrin-reaction\/\" \/>\n<meta property=\"og:site_name\" content=\"Glossary\" \/>\n<meta property=\"article:published_time\" content=\"2020-09-06T11:14:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-12-26T08:00:04+00:00\" \/>\n<meta name=\"author\" content=\"Glossary\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Glossary\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/ninhydrin-reaction\/\",\"url\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/ninhydrin-reaction\/\",\"name\":\"Ninhydrin reaction - Definition of Ninhydrin reaction\",\"isPartOf\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#website\"},\"datePublished\":\"2020-09-06T11:14:30+00:00\",\"dateModified\":\"2021-12-26T08:00:04+00:00\",\"author\":{\"@id\":\"https:\/\/www.healthbenefitstimes.com\/glossary\/#\/schema\/person\/ccfef987a4882e6356ae6d77d33e74c5\"},\"description\":\"A color reaction given by amino acids and peptides on heating with the chemical ninhydrin. The technique is widely used for the detection and quantitation (measurement) of amino acids and peptides. The concentration of amino acid in a solution (of hydrochloric acid) is proportional to the optical absorbance of the solution after heating it with ninhydrin. a-Amino acids give an intense blue color, and amino acids (such as proline) give a yellow color. 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