{"id":9734,"date":"2022-03-23T21:08:36","date_gmt":"2022-03-24T02:08:36","guid":{"rendered":"https:\/\/vumicro.com\/?post_type=docs&#038;p=9734"},"modified":"2022-06-16T22:20:37","modified_gmt":"2022-06-17T03:20:37","password":"","slug":"barritts-b-reagent","status":"publish","type":"docs","link":"https:\/\/vumicro.com\/es\/docs\/barritts-b-reagent\/","title":{"rendered":"Barritt&#8217;s B reagent"},"content":{"rendered":"<p>Barritt\u2019s B reagent consists of 40% potassium hydroxide (KOH). It is used with Barritt\u2019s A reagent (alpha-naphthol dissolved in ethanol) 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>After inoculating MRVP broth and incubating overnight, five drops of each reagent are added to the culture. Barritt\u2019s A should be added first. &nbsp;This is followed by addition of five drips of Barritt&#8217;s B. 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 B reagent consists of 40% potassium hydroxide (KOH). It is used with Barritt\u2019s A reagent (alpha-naphthol dissolved in ethanol) 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 [&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-9734","docs","type-docs","status-publish","hentry","doc_category-reagents-chemicals-stains","knowledge_base-reference"],"aioseo_notices":[],"year_month":"2026-04","word_count":83,"total_views":"4111","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"vumicro_tdmqk2","author_nicename":"vumicro_tdmqk2","author_url":"https:\/\/vumicro.com\/es\/vumie\/author\/vumicro_tdmqk2\/"},"doc_category_info":[{"term_name":"Reagents, Chemicals, Stains","term_url":"https:\/\/vumicro.com\/es\/docs\/reference\/reagents-chemicals-stains\/"}],"doc_tag_info":[],"jetpack_sharing_enabled":true,"knowledge_base_info":[{"term_name":"Reference books","term_url":"https:\/\/vumicro.com\/es\/docs\/reference\/","term_slug":"reference"}],"knowledge_base_slug":["reference"],"_links":{"self":[{"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/docs\/9734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/comments?post=9734"}],"version-history":[{"count":2,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/docs\/9734\/revisions"}],"predecessor-version":[{"id":11953,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/docs\/9734\/revisions\/11953"}],"wp:attachment":[{"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/media?parent=9734"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/doc_category?post=9734"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/doc_tag?post=9734"},{"taxonomy":"knowledge_base","embeddable":true,"href":"https:\/\/vumicro.com\/es\/wp-json\/wp\/v2\/knowledge_base?post=9734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}