{"id":350642,"date":"2025-11-25T17:16:51","date_gmt":"2025-11-25T11:46:51","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=350642"},"modified":"2025-11-25T17:16:51","modified_gmt":"2025-11-25T11:46:51","slug":"auramine-o","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/auramine-o\/","title":{"rendered":"Auramine O"},"content":{"rendered":"<p><strong>N<\/strong><strong>ews<\/strong><strong>: <\/strong>Recently, auramine O, a banned synthetic dye, has re-emerged in India\u2019s food chain, highlighting recurring chemical adulteration concerns.<\/p>\n<h2>About Auramine O<\/h2>\n<figure id=\"attachment_350643\" aria-describedby=\"caption-attachment-350643\" style=\"width: 369px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-350643\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-TH-5.jpg?resize=369%2C208&#038;ssl=1\" alt=\"Auramine O\" width=\"369\" height=\"208\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-TH-5.jpg?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-TH-5.jpg?resize=1024%2C576&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-TH-5.jpg?resize=768%2C432&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-TH-5.jpg?resize=1536%2C864&amp;ssl=1 1536w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/11\/Source-TH-5.jpg?w=1560&amp;ssl=1 1560w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><figcaption id=\"caption-attachment-350643\" class=\"wp-caption-text\">Source &#8211; TH<\/figcaption><\/figure>\n<ul>\n<li><strong>Auramine O<\/strong> is a <strong>synthetic yellow industrial dye<\/strong>, <strong>produced<\/strong> from compounds such as <strong>dimethylaniline and formaldehyde<\/strong>.<\/li>\n<li><strong><strong>Regulation: <\/strong><\/strong>It is <strong>not approved for use as a food colour<\/strong> in <strong>India<\/strong>, the <strong>European Union, the United States,<\/strong> or most other regulatory jurisdictions.\n<ul>\n<li>The<strong> International Agency for Research on Cancer (IARC)<\/strong> classifies it as a substance that is possibly <strong>carcinogenic to humans.<\/strong><\/li>\n<li><strong>Concern:<\/strong> It is used to give a <strong>yellow colour to <\/strong>sweets, turmeric powder, chickpeas and street food snacks, despite the ban.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Chemical property and structure<\/strong>\n<ul>\n<li><strong>Formula<\/strong>: It has the molecular formula <strong>C\u2081\u2087H\u2082\u2082ClN\u2083.<\/strong><\/li>\n<li><strong>Appearance<\/strong>: It typically appears as <strong>yellow flakes, powder or needle<\/strong> like crystals.<\/li>\n<li><strong>Solubility<\/strong>: It is <strong>soluble in ethanol<\/strong> and <strong>slightly<\/strong> <strong>soluble in water<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Applications<\/strong>\n<ul>\n<li><strong>Biological and medical uses<\/strong>\n<ul>\n<li><strong>Fluorescent stain<\/strong>: Used to <strong>stain acid-fast bacteria<\/strong> in microscopy, particularly for <strong>detecting <em>Mycobacterium tuberculosis<\/em><\/strong> and other mycobacteria.<\/li>\n<li><strong>Diagnostic tool<\/strong>: Helps in the direct <strong>detection of bacteria<\/strong> in patient specimens and is used to <strong>stain parasites like <em>Cryptosporidium<\/em><\/strong> in stool samples.<\/li>\n<li><strong>Research<\/strong>: Investigated for <strong>potential uses in cancer treatments, cardiovascular disease research,<\/strong> and as a component in targeted <strong>drug delivery systems<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Industrial applications<\/strong>\n<ul>\n<li><strong>Textile and leather industry<\/strong>: Used for dyeing <strong>acrylic, silk, and cotton fibers,<\/strong> as well as <strong>leather and paper<\/strong>.<\/li>\n<li><strong>Printing and inks<\/strong>: Used in direct <strong>printing, blotch discharge printing<\/strong>, and as a <strong>component in inks<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Other applications<\/strong>\n<ul>\n<li><strong>Color lakes and paints<\/strong>: Used to create color lakes and is also used in the production of paints.<\/li>\n<li><strong>Food adulteration testing<\/strong>: Its presence is sometimes a marker for adulteration in certain food products, and specialized methods are used for its detection.<\/li>\n<li><strong>Health <\/strong><strong>Concern<\/strong>: Ingestion of auramine O can cause <strong>liver and kidney damage<\/strong>, <strong>enlargement of the spleen, mutagenic effects, and carcinogenic<\/strong> outcomes with long-term exposure.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: Recently, auramine O, a banned synthetic dye, has re-emerged in India\u2019s food chain, highlighting recurring chemical adulteration concerns. About Auramine O Auramine O is a synthetic yellow industrial dye, produced from compounds such as dimethylaniline and formaldehyde. Regulation: It is not approved for use as a food colour in India, the European Union, the&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/auramine-o\/\">Continue reading <span class=\"screen-reader-text\">Auramine O<\/span><\/a><\/p>\n","protected":false},"author":10393,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872],"class_list":["post-350642","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/350642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10393"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=350642"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/350642\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=350642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=350642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=350642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}