1.0Glossaryhttps://www.healthbenefitstimes.com/glossaryGlossaryhttps://www.healthbenefitstimes.com/glossary/author/adminglossary/Cholera red test - Definition of Cholera red testrich600338<blockquote class="wp-embedded-content" data-secret="lqzs2zDX6Y"><a href="https://www.healthbenefitstimes.com/glossary/cholera-red-test/">Cholera red test</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.healthbenefitstimes.com/glossary/cholera-red-test/embed/#?secret=lqzs2zDX6Y" width="600" height="338" title="“Cholera red test” — Glossary" data-secret="lqzs2zDX6Y" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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Vibrio cholerae (and some other vibrios) produce indole and reduce nitrate to nitrite on culture in peptone water. The addition of sulphuric acid to the culture gives the red colour of the nitroso-indole reaction.