{"id":38411,"date":"2023-07-13T10:34:38","date_gmt":"2023-07-13T15:34:38","guid":{"rendered":"https:\/\/www.incredibleegg.org\/?page_id=38411"},"modified":"2023-07-13T10:34:38","modified_gmt":"2023-07-13T15:34:38","slug":"emulsification","status":"publish","type":"page","link":"https:\/\/www.incredibleegg.org\/professionals\/manufacturers\/real-egg-functionality\/emulsification\/","title":{"rendered":"Emulsification"},"content":{"rendered":"<div id=\"page-header-block_c5194ba571d9f808e4cd00e24d13144c\" class=\"content-block page-header  page-header--overlay\">\n\n    <div class=\"page-header__breadcrumbs\"><p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/www.incredibleegg.org\/\">Home<\/a><\/span><\/span><\/p><\/div>\n    <div class=\"page-header__content-wrapper\">\n\n      <div class=\"page-header__content\">\n        <div class=\"page-header__text\">\n          <h1>Emulsification<\/h1>\n                  <\/div>\n              <\/div>\n\n      <img loading=\"lazy\" decoding=\"async\" width=\"2098\" height=\"963\" src=\"https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1.jpg\" class=\"page-header__image\" alt=\"salmon with sauce and vegetables\" srcset=\"https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1.jpg 2098w, https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1-300x138.jpg 300w, https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1-1024x470.jpg 1024w, https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1-768x353.jpg 768w, https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1-1536x705.jpg 1536w, https:\/\/www.incredibleegg.org\/wp-content\/uploads\/2023\/07\/d-article-emulsification-2098x963-1-2048x940.jpg 2048w\" sizes=\"auto, (max-width: 2098px) 100vw, 2098px\" \/>    <\/div>\n<\/div>\n\n<div class=\"wp-block\">\n<p>An emulsion, as defined by Food Technology, is a \u201ctemporarily stable mixture of immiscible fluids, such as oil and water, achieved by finely dividing one phase into very small droplets.\u201d<sup>1<\/sup>&nbsp;Nature designed multiple functions into the egg, including its ability to emulsify. While most commonly associated with mayonnaise,<sup>2<\/sup>the emulsifying capacity of whole eggs, egg yolks and even egg whites plays a role in baking and other applications. The absence of eggs in certain formulations such as mayonnaise can affect emulsion stability and final product appearance.<sup>2<\/sup><\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>Fresh liquid eggs, frozen eggs and spray-dried all have the capacity to emulsify, and according to Christine Alvarado, Ph.D., Texas A&amp;M University, there is no essential difference found between them.<sup>3<\/sup>&nbsp;The most popular forms however, include liquid, refrigerated whole eggs or frozen yolks. Frozen yolk has 10 percent added salt or sugar to promote a smooth, creamy, viscous yolk. Egg white emulsifies due to its albumin protein component, while for egg yolk it is its lecithoprotein content.<sup>4<\/sup><\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>Specifically the egg as emulsifier:<\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<ul class=\"wp-block-list\">\n<li>Acts as a stabilizing agent by reducing surface tension<\/li>\n\n\n\n<li>Reduces the force required to create the droplets that comprise an emulsion<\/li>\n<\/ul>\n<\/div>\n\n<div class=\"wp-block\">\n<p>The reduction of surface tension is due to the lecithin or phosphatidylcholine contained within the egg yolk. This amphiphilic molecule has two ends, one hydrophobic and one hydrophilic, which minimizes the energy required to form an emulsion by reducing oil\/water interfacial tension.<sup>5<\/sup><\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>There are multiple factors that can affect an emulsion\u2019s stability such as temperature, mixing speed and time and more. Two critical pieces of the puzzle include viscosity and the size and uniformity of the droplet.<\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>An emulsion is thicker or more viscous than its separate components, or the oil and water it contains. Egg yolks provide a viscous, continuous phase. This promotes stability in emulsions because it prevents the dispersed oil droplets from moving around and gathering, or coalescing. Adding egg yolk to whole eggs increases emulsion viscosity, lending it greater stability.<\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>In addition, the smaller the droplet and more uniform in size, the better the emulsion and the better the mouthfeel and texture of the finished product. When mixed at the proper speed and adding ingredients in the proper order, formulators can control droplet size and dispersion. For example, oil must be added slowly to water so that the lecithin within the egg yolk can thoroughly coat the small droplets. This coating acts as a barrier to prevent the droplets from joining back together (flocculating or coalescing) to enhance emulsion stability and improve product appearance and texture.<sup>6<\/sup><\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>Some common applications for eggs as emulsifier beyond mayonnaise and sauces includes salad dressing, ice cream and baked goods such as muffins, bread, cinnamon rolls and cheesecake<sup>6<\/sup>&nbsp;to name a few.<\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>In ice cream, eggs added during the freezing process help promote a smoother texture and ensure the ice cream does not melt rapidly after serving. Emulsifiers also help improve freeze\/thaw stability, an important quality for ice cream as well as sorbets, milkshakes, frozen mousse and frozen yogurt.<sup>7<\/sup><\/p>\n<\/div>\n\n<div class=\"wp-block\">\n<p>Within the commercial baking industry, which relied upon eggs as the first emulsifier, a proper emulsion impacts both product and process. Eggs can help increase product volume, supply a tender crust and crumb, finer and more uniform cell structure, a bright crumb color and slow the crumb from firming, increasing product shelf life. In terms of process, emulsification activity enables proper blending of ingredients and protects the dough during mechanical handling.<sup>4<\/sup><\/p>\n<\/div>\n\n\n<div id=\"references-block-block_0515c2d3eaea9c5608264c1495b5bf00\" class=\"content-block references-block \">\n\n  <h3><a class=\"references__toggle\" aria-controls=\"references--block_0515c2d3eaea9c5608264c1495b5bf00\" aria-expanded=\"false\" href=\"#\">References<\/a><\/h3>\n  \n  <div class=\"references__ol text-block\" id=\"references--block_0515c2d3eaea9c5608264c1495b5bf00\"><ol>\n<li>Clark J. (2013). Emulsions: When Oil and Water Do Mix, Food Technology magazine, Volume 67, No. 8<\/li>\n<li>Munday E, Werblin L and Deno K. (2017).\u00a0<strong><a href=\"http:\/\/www.realeggs.org\/research\/baking\/mayonnaise\">Mayonnaise Application Research: Comparing the Functionality of Eggs to Egg Replacers in Mayonnaise Formulations, CuliNex, LLC, Seattle, USA<\/a><\/strong><\/li>\n<li>Alvarado C. (2016). Emulsification [PowerPoint presentation] College Station, TX<\/li>\n<li>Pyler EJ and Gorton LA. (2010). Baking Science &amp; Technology, Fourth Edition, Volume 1, Sosland Publishing Co., Kansas City, Missouri, USA<\/li>\n<li>McKee S. (2016). Eggs as a Functional Emulsifier [PowerPoint presentation]. Auburn AL<\/li>\n<li>Munday E, Werblin L and Deno K. (2017).\u00a0<strong><a href=\"http:\/\/www.realeggs.org\/research\/baking\/cheesecake\">Cheesecake Application Research: Comparing the Functionality of Eggs to Egg Replacers in Cheesecake Formulations, CuliNex, LLC, Seattle, USA<\/a><\/strong><\/li>\n<li>Stadelmen WJ and Cotterill OJ. (1995). Egg Science and Technology, Fourth Edition, Haworth Press, Inc., New York, USA<\/li>\n<\/ol>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>An emulsion, as defined by Food Technology, is a \u201ctemporarily stable mixture of immiscible fluids, such as oil and water, achieved by finely dividing one phase into very small droplets.\u201d1&nbsp;Nature designed multiple functions into the egg, including its ability to emulsify. While most commonly associated with mayonnaise,2the emulsifying capacity of whole eggs, egg yolks and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":38281,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-38411","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Emulsification - American Egg Board<\/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.incredibleegg.org\/professionals\/manufacturers\/real-egg-functionality\/emulsification\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Emulsification - American Egg Board\" \/>\n<meta property=\"og:description\" content=\"An emulsion, as defined by Food Technology, is a \u201ctemporarily stable mixture of immiscible fluids, such as oil and water, achieved by finely dividing one phase into very small droplets.\u201d1&nbsp;Nature designed multiple functions into the egg, including its ability to emulsify. 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