{"id":3398,"date":"2026-01-21T00:54:03","date_gmt":"2026-01-21T00:54:03","guid":{"rendered":"https:\/\/usanews1.net\/?p=3398"},"modified":"2026-01-21T00:54:03","modified_gmt":"2026-01-21T00:54:03","slug":"refrigerate-or-leave-out-the-truth-about-mayonnaise","status":"publish","type":"post","link":"https:\/\/usanews1.net\/?p=3398","title":{"rendered":"Refrigerate or Leave Out? The Truth About Mayonnaise"},"content":{"rendered":"<p data-start=\"0\" data-end=\"225\"><strong data-start=\"0\" data-end=\"39\">Does Mayonnaise Need Refrigeration?<\/strong><\/p>\n<p data-start=\"0\" data-end=\"225\">Mayonnaise is a kitchen staple, but confusion remains over safe storage.<\/p>\n<p data-start=\"0\" data-end=\"225\">The question matters because improper handling can raise<\/p>\n<p data-start=\"0\" data-end=\"225\">the risk of foodborne illness and shorten shelf life.<\/p>\n<p data-start=\"227\" data-end=\"523\"><strong data-start=\"227\" data-end=\"248\">What It\u2019s Made Of<\/strong><\/p>\n<p data-start=\"227\" data-end=\"523\">Mayonnaise is an emulsion of oil, egg yolks, and acid.<\/p>\n<p data-start=\"227\" data-end=\"523\">The acid slows bacteria, but \u201cit does not eliminate risk entirely.\u201d<\/p>\n<p data-start=\"227\" data-end=\"523\">Store-bought versions use pasteurized eggs and preservatives,<\/p>\n<p data-start=\"227\" data-end=\"523\">making them safer than homemade mayonnaise, which is \u201cfar more vulnerable to spoilage.\u201d<\/p>\n<p data-start=\"525\" data-end=\"762\"><strong data-start=\"525\" data-end=\"548\">When to Refrigerate<\/strong><\/p>\n<p data-start=\"525\" data-end=\"762\">Once opened, \u201cstore-bought mayonnaise\u2026 should always be kept refrigerated.\u201d<\/p>\n<p data-start=\"525\" data-end=\"762\">Homemade mayonnaise must stay cold and is best used within \u201c3\u20135 days.\u201d<\/p>\n<p data-start=\"525\" data-end=\"762\">Leaving it out briefly during a meal is fine, but not for hours.<\/p>\n<p data-start=\"764\" data-end=\"923\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"764\" data-end=\"779\">Bottom Line<\/strong><\/p>\n<p data-start=\"764\" data-end=\"923\" data-is-last-node=\"\" data-is-only-node=\"\">\u201cRefrigerate mayonnaise after opening,\u201d avoid long exposure to heat, and use clean utensils.<\/p>\n<p data-start=\"764\" data-end=\"923\" data-is-last-node=\"\" data-is-only-node=\"\">Proper storage protects both safety and quality.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Does Mayonnaise Need Refrigeration? Mayonnaise is a kitchen staple, but confusion remains over safe storage. The question matters because improper handling can raise the risk of foodborne illness and shorten shelf life. What It\u2019s Made Of Mayonnaise is an emulsion of oil, egg yolks, and acid. The acid slows bacteria, but \u201cit does not eliminate&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3399,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/posts\/3398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usanews1.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3398"}],"version-history":[{"count":1,"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/posts\/3398\/revisions"}],"predecessor-version":[{"id":3400,"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/posts\/3398\/revisions\/3400"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/usanews1.net\/index.php?rest_route=\/wp\/v2\/media\/3399"}],"wp:attachment":[{"href":"https:\/\/usanews1.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usanews1.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usanews1.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}