{"id":4400,"date":"2014-10-31T10:00:49","date_gmt":"2014-10-31T15:00:49","guid":{"rendered":"https:\/\/www.coleparmer.com\/blog\/?p=4400"},"modified":"2019-09-24T11:19:13","modified_gmt":"2019-09-24T17:19:13","slug":"making-beer-and-using-dissolved-oxygen","status":"publish","type":"post","link":"https:\/\/www.coleparmer.com\/blog\/making-beer-and-using-dissolved-oxygen\/","title":{"rendered":"Making Beer and Using Dissolved Oxygen"},"content":{"rendered":"<p><a href=\"https:\/\/www.coleparmer.com\/Category\/Dissolved_Oxygen_Meters\/62865?referred_id=5618\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-4403\" src=\"https:\/\/www.coleparmer.com\/blog\/wp-content\/uploads\/2014\/10\/beer.gif\" alt=\"Beer\" width=\"75\" height=\"209\"><\/a>What\u2019s in a mug of beer? Cereal grains, yeast, hops, and water. Aside from these ingredients, having enough <a href=\"https:\/\/www.coleparmer.com\/Category\/Dissolved_Oxygen_Meters\/62865?referred_id=5618\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">dissolved oxygen<\/a> to feed the anaerobic breathing process of yeast is crucial to the beer-brewing process. Whether it\u2019s made in a brewery or during home-brewing, using a good dissolved oxygen meter can enhance dissolved oxygen control during fermentation.<\/p>\n<p>Oxygen is introduced to the wort after boiling, and prior to the addition of yeast. Whether your preference is to oxygenate when the wort is hot or after the wort has cooled down, the process should take place before (not after) fermentation has begun.<\/p>\n<p>As fermentation completes, oxygen uptake is reduced and any additional oxygen injected into the wort will not be used. Instead, it will remain to react with other compounds in the beer, creating stale and undesirable tastes.<\/p>\n<p><strong>How Much?<\/strong><\/p>\n<p>Too little dissolved oxygen results in:<\/p>\n<ul>\n<li>Low and sticky fermentation<\/li>\n<li>\u201cOff\u201d flavors<\/li>\n<li>Poor yeast crop<\/li>\n<li>Low ester\/alcohol production<\/li>\n<\/ul>\n<p>Too much causes:<\/p>\n<ul>\n<li>Rapid fermentations, resulting in excessive yeast growth and beer losses<\/li>\n<li>High ester production, resulting in a fruity-tasting beer<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.coleparmer.com\/TechLibraryArticle\/1424?referred_id=5618\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><em>Read more<\/em><\/a><em> on this process or simply find a <\/em><a href=\"https:\/\/www.coleparmer.com\/Category\/Dissolved_Oxygen_Meters\/62865?referred_id=5618\" target=\"_blank\" rel=\"nofollow noopener noreferrer\"><em>dissolved oxygen meter<\/em><\/a><em>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What\u2019s in a mug of beer? Cereal grains, yeast, hops, and water. Aside from these ingredients, having enough dissolved oxygen to feed the anaerobic breathing process of yeast is crucial to the beer-brewing process. Whether&#8230;<\/p>\n","protected":false},"author":20,"featured_media":4403,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,14,15],"tags":[447],"class_list":["post-4400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-food-beverage","category-helpful-technical-info","category-oakton-instruments","tag-dissolved-oxygen-meters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Making Beer and Using Dissolved Oxygen | from Cole-Parmer Blog<\/title>\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.coleparmer.com\/blog\/making-beer-and-using-dissolved-oxygen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Making Beer and Using Dissolved Oxygen | from Cole-Parmer Blog\" \/>\n<meta property=\"og:description\" content=\"What\u2019s in a mug of beer? Cereal grains, yeast, hops, and water. Aside from these ingredients, having enough dissolved oxygen to feed the anaerobic breathing process of yeast is crucial to the beer-brewing process. 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Cereal grains, yeast, hops, and water. Aside from these ingredients, having enough dissolved oxygen to feed the anaerobic breathing process of yeast is crucial to the beer-brewing process. 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