{"id":9487,"date":"2022-03-15T21:47:02","date_gmt":"2022-03-16T02:47:02","guid":{"rendered":"https:\/\/vumicro.com\/?post_type=docs&#038;p=9487"},"modified":"2022-06-16T22:19:48","modified_gmt":"2022-06-17T03:19:48","password":"","slug":"barritts-a-reagent","status":"publish","type":"docs","link":"https:\/\/vumicro.com\/es\/docs\/barritts-a-reagent\/","title":{"rendered":"Barritt&#8217;s A reagent"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Barritt\u2019s A reagent consists of alpha-naphthol in ethanol. It is used with <a href=\"https:\/\/vumicro.com\/es\/docs\/barritts-b-reagent\/\" title=\"Barritt\u2019s B reagent\">Barritt\u2019s B<\/a> reagent (40% KOH) to detect the presence of <a href=\"https:\/\/vumicro.com\/es\/docs\/voges-proskauer-test\/\" title=\"Voges-Proskauer test\">2,3-butanediol<\/a> (so-called &#8220;neutral fermentation products&#8221;) produced from glucose in <a href=\"https:\/\/vumicro.com\/es\/docs\/mrvp-broth\/\" title=\"MRVP broth\">MRVP broth<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After inoculating MRVP broth and incubating overnight, five drops of each reagent are added to the culture. Barritt\u2019s A should be added first. This is followed by addition of five drips of <a href=\"https:\/\/vumicro.com\/es\/docs\/barritts-b-reagent\/\" title=\"Barritt\u2019s B reagent\">Barritt&#8217;s B<\/a>. Development of a red color indicates the presence of 2,3-butanediol.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">VUMIE is the flight simulator of microbiology labs.<\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter is-style-fill\"><a class=\"wp-block-button__link\" href=\"https:\/\/vumicro.com\/es\/\">Learn more about VUMIE<\/a><\/div>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Barritt\u2019s A reagent consists of alpha-naphthol in ethanol. It is used with Barritt\u2019s B reagent (40% KOH) to detect the presence of 2,3-butanediol (so-called &#8220;neutral fermentation products&#8221;) produced from glucose in MRVP broth. After inoculating MRVP broth and incubating overnight, five drops of each reagent are added to the culture. Barritt\u2019s A should be added [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"doc_category":[39],"doc_tag":[],"knowledge_base":[44],"class_list":["post-9487","docs","type-docs","status-publish","hentry","doc_category-reagents-chemicals-stains","knowledge_base-reference"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Barritt\u2019s A reagent consists of alpha-naphthol in ethanol. 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