{"id":653543,"date":"2026-04-03T11:00:27","date_gmt":"2026-04-03T09:00:27","guid":{"rendered":"https:\/\/es.exxpress.at\/?p=653543"},"modified":"2026-04-03T10:11:28","modified_gmt":"2026-04-03T08:11:28","slug":"das-perfekte-ei-zu-ostern-so-gehts","status":"publish","type":"post","link":"https:\/\/es.exxpress.at\/lifestyle\/das-perfekte-ei-zu-ostern-so-gehts\/","title":{"rendered":"Das perfekte Ei zu Ostern \u2013 so geht\u2019s"},"content":{"rendered":"<section class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;1\/6&#8243;]\n        <span class=\"article-tag\">\n            Lifestyle\n        <\/span>\n    [\/vc_column][vc_column width=&#8221;1\/2&#8243;]<h1 id=\"nativendo-title\" style=\"text-align: left\" class=\"vc_custom_heading article-heading\">Das perfekte Ei zu Ostern \u2013 so geht\u2019s<\/h1>[vc_column_text el_class=&#8221;article-subheading&#8221;]Ostern ohne das perfekte Ei? Kaum vorstellbar! Die Frage danach, wie man das perfekte Ei kocht, hat auch die Wissenschaft besch\u00e4ftigt. Das Rezept, das ein italienisches Forschungsteam vergangenes Jahr in einem renommierten Fachblatt ver\u00f6ffentlichte, ist allerdings mit viel Aufwand verbunden. Insgesamt dauert die Kochzeit f\u00fcr das perfekte Ei den Physikerinnen und Physikern zufolge ganze 32 Minuten.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][\/vc_column][\/vc_row][vc_row el_class=&#8221;article-main-content&#8221;][vc_column width=&#8221;1\/6&#8243;]\n        <div class=\"author-box\">\n            <span class=\"author\">Redaktion<\/span>\n            <time datetime=\"2026-04-03T11:00:27+02:00\">03.04.2026 11:00<\/time>\n        <\/div>\n            <div class=\"share-box\">\n            <a href=\"https:\/\/x.com\/intent\/tweet?url=https%3A%2F%2Fes.exxpress.at%2Fapi%2Fwp%2Fv2%2Fposts%2F653543\" target=\"blank\" class=\"share-icon share-circle-icon share-twitter\"><?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 300 300\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n <path d=\"M178.57 127.15 290.27 0h-26.46l-97.03 110.38L89.34 0H0l117.13 166.93L0 300.25h26.46l102.4-116.59 81.8 116.59h89.34M36.01 19.54H76.66l187.13 262.13h-40.66\"\/>\n<\/svg><\/a>\n            <a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?href=https%3A%2F%2Fes.exxpress.at%2Fapi%2Fwp%2Fv2%2Fposts%2F653543&u=https%3A%2F%2Fes.exxpress.at%2Fapi%2Fwp%2Fv2%2Fposts%2F653543\" target=\"blank\" class=\"share-icon share-circle-icon share-facebook\"><?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n<!DOCTYPE svg PUBLIC \"-\/\/W3C\/\/DTD SVG 1.1\/\/EN\" \"http:\/\/www.w3.org\/Graphics\/SVG\/1.1\/DTD\/svg11.dtd\">\n<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 28 28\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xml:space=\"preserve\" xmlns:serif=\"http:\/\/www.serif.com\/\" style=\"fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;\">\n    <g transform=\"matrix(1,0,0,1,-12,-11)\">\n        <path d=\"M31,11.2C30.3,11.1 29.7,11 29,11C28.2,10.9 27.3,10.9 26.5,11.1C25.5,11.3 24.6,11.8 23.8,12.7C23.2,13.4 22.8,14.3 22.5,15.2C22.3,15.9 22.3,16.5 22.3,17.2L22.3,21L18.4,21L18.4,25.7L22.4,25.7L22.4,38.6L27.2,38.6L27.2,25.7L30.7,25.7C30.9,24.1 31.1,22.6 31.4,21L27.4,21L27.4,20.8L27.4,17.8C27.4,17.5 27.4,17.2 27.5,16.9C27.7,16 28.3,15.5 29.1,15.3C29.4,15.2 29.7,15.2 30,15.2L31.8,15.2L31.8,11.2C31.3,11.3 31.1,11.2 31,11.2Z\" style=\"fill-rule:nonzero;\"\/>\n    <\/g>\n<\/svg>\n<\/a>\n            <a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fes.exxpress.at%2Fapi%2Fwp%2Fv2%2Fposts%2F653543\" target=\"blank\" class=\"share-icon share-circle-icon share-linkedin\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M0 160h114.496v352H0zM426.368 164.128c-1.216-.384-2.368-.8-3.648-1.152a74.218 74.218 0 00-4.64-.896c-6.08-1.216-12.736-2.08-20.544-2.08-66.752 0-109.088 48.544-123.04 67.296V160H160v352h114.496V320s86.528-120.512 123.04-32v224H512V274.464c0-53.184-36.448-97.504-85.632-110.336z\"\/><circle cx=\"56\" cy=\"56\" r=\"56\"\/><\/svg><\/a>\n            <div class=\"mobile-splitter\"><\/div>\n            <a href=\"mailto:?subject=Exxpress: Das perfekte Ei zu Ostern \u2013 so geht\u2019s&body=https%3A%2F%2Fes.exxpress.at%2Fapi%2Fwp%2Fv2%2Fposts%2F653543\" target=\"blank\" class=\"share-icon share-mail\"><?xml version=\"1.0\" encoding=\"utf-8\"?>\n\n<svg version=\"1.1\" id=\"Ebene_1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t viewBox=\"0 0 50 50\" style=\"enable-background:new 0 0 50 50;\" xml:space=\"preserve\">\n<g>\n\t<path d=\"M1.2,7.7C0.8,8.1,0.6,8.6,0.6,9.1v31.3c0,0.6,0.2,1.1,0.7,1.4c0.4,0.4,0.8,0.6,1.3,0.6h45c0.5,0,1-0.2,1.3-0.6\n\t\ts0.6-0.9,0.6-1.4V9.1c0-0.5-0.2-0.9-0.6-1.4c-0.4-0.4-0.8-0.6-1.3-0.6h-45C2,7.1,1.6,7.3,1.2,7.7z M4.3,13.8l13,11.3l-13,11.6V13.8\n\t\tz M7.5,11.7h34.9L24.9,27.1L7.5,11.7z M8,38.6l12.2-11.1l3.5,3.3l2.4,0.1l3.8-3.4L42,38.6H8z M45.8,36.7l-13-11.6l13-11.3V36.7z\"\/>\n<\/g>\n<\/svg>\n<\/a>\n            \n        <\/div>\n    [\/vc_column][vc_column width=&#8221;1\/2&#8243; el_class=&#8221;article-body&#8221;]\n            <div class=\"featured-image-box\">\n                <a href=\"https:\/\/es.exxpress.at\/media\/2026\/04\/imago847389760.jpg\" data-featherlight=\"image\">\n                    <img decoding=\"async\" class=\"attachment-article_featured_image size-article_featured_image wp-post-image\" src=\"https:\/\/es.exxpress.at\/media\/2026\/04\/imago847389760-635x442.jpg\" srcset=\"https:\/\/es.exxpress.at\/media\/2026\/04\/imago847389760-1270x884.jpg 2x\">\n                <\/a>\n                <span class=\"tagline\"><span class=\"credits\" style=\"padding-left: 0\">IMAGO\/imagebroker<\/span><\/span>\n            <\/div>\n        [vc_column_text]Ein Ei richtig zu kochen, ist laut der Studie im Fachmagazin &#8220;Communications Engineering&#8221; n\u00e4mlich gar nicht so einfach. Das Problem dabei: Damit das Eigelb und das Eiwei\u00df die perfekte Konsistenz erreichen &#8211; also weder schleimig bleiben noch zu trocken werden &#8211; sind unterschiedliche Temperaturen n\u00f6tig. Beim Eigelb sind es 65 Grad Celsius, beim Eiwei\u00df jedoch 85 Grad.<\/p>\n<p>Ein einfaches Kochen eines Eis in kochendem Wasser f\u00fchrt den Forschenden zufolge daher zu einem vollst\u00e4ndig festen Eigelb. Wenn die Eier hingegen wie bei der Sous-vide-Methode f\u00fcr eine Stunde in ein Wasserbad bei Temperaturen zwischen 60 und 70 Grad kommen, wird das Eiwei\u00df oft unzureichend erhitzt, wie die Forschenden feststellten.[\/vc_column_text]<h2 style=\"text-align: left\" class=\"vc_custom_heading running-header\">Berechnungen und Modelle<\/h2>[vc_column_text]Um dieses Problem zu l\u00f6sen, berechneten die Forscher die W\u00e4rmeleitung im Ei und f\u00fchrten sogenannte str\u00f6mungsmechanische Simulationen durch. Aus den Daten entwickelten sie das ideale Kochverfahren: das &#8220;periodische Kochen&#8221;.<\/p>\n<p>Dabei wird das Ei mit Schale wiederholt f\u00fcr je zwei Minuten abwechselnd in 100 Grad hei\u00dfes und 30 Grad kaltes Wasser getaucht &#8211; f\u00fcr eine Gesamtdauer von 32 Minuten. Mittels mathematischer Modelle und Simulationen best\u00e4tigten Analysen eine verbesserte Textur und einen h\u00f6heren N\u00e4hrstoffgehalt im Vergleich zu herk\u00f6mmlichen Kocharten.<\/p>\n<p>Das Team verglich das Ergebnis mit hart gekochten, weich gekochten und Sous-vide-gekochten Eiern. Eine sensorische Analyse ergab, dass das periodisch gekochte Ei ein festes Eiwei\u00df, \u00e4hnlich einem weich gekochten Ei, und ein cremiges Eigelb, vergleichbar mit einem Sous-vide-Ei, aufwies.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;]<div class=\"ad-container\"><div id=\"adnz_rectangle_1\" style=\"padding-top: 0;\"><\/div><\/div><div class=\"ad-container sticky\" style=\"padding-top: 0;\"><div id=\"adnz_halfpage_2\"><\/div><\/div>[\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;5\/6&#8243;]<div class=\"footer-hook\"><div class=\"move-to-article\">  <details class=\"mollie-donation-modal\" open>\n    <summary>Dein Beitrag z\u00e4hlt \u2013 jetzt spenden!<\/summary>\n    <div class=\"mollie-donation-backdrop\" onclick=\"var modal = document.querySelector('.mollie-donation-modal'); modal.removeAttribute('data-modal-opened')\"><\/div>\n    <div class=\"mollie-donation-form-holder\" id=\"donation\">\n      <div class=\"mollie-donation-close-button\" onclick=\"var modal = document.querySelector('.mollie-donation-modal'); modal.removeAttribute('data-modal-opened')\"><\/div>\n      <p style=\"padding: 0 30px; line-height: 1.3;\">Mit deinem Beitrag schaffen wir Raum f\u00fcr Journalismus, der einordnet, hinterfragt und sichtbar macht, was wirklich z\u00e4hlt.<\/p>\n      <form class=\"mollie-donation\">\n          <div style=\"display: flex; justify-content: center;\">\n            <div class=\"donate-type-btn-holder\">\n                <button type=\"button\" class=\"donate-select-btn\" value=\"onetime\">Einmalig<\/button>\n                <button type=\"button\" class=\"donate-select-btn selected\" value=\"monthly\">Monatlich<\/button>\n                <button type=\"button\" class=\"donate-select-btn\" value=\"yearly\">J\u00e4hrlich<\/button>\n            <\/div>\n          <\/div>\n          <input type=\"email\" name=\"mail\" placeholder=\"E-Mail Adresse*\" required\/>\n          <div class=\"donate-btn-holder\">\n              <button type=\"button\" class=\"donate-select-btn\" value=\"10\">10\u20ac<\/button>\n              <button type=\"button\" class=\"donate-select-btn selected\" value=\"20\">20\u20ac<\/button>\n              <button type=\"button\" class=\"donate-select-btn\" value=\"100\">100\u20ac<\/button>\n              <div class=\"flex-break\"><\/div>\n              <button type=\"button\" class=\"donate-select-btn\" value=\"free\">Anderer Betrag<\/button>\n          <\/div>\n          <input class=\"hidden\" type=\"number\" min=\"2\" step=\"1\" value=\"20\" required\/>\n          <label class=\"checkbox-label hidden privacy-label\">\n              <input type=\"checkbox\" name=\"privacy\" required\/>\n              Ich akzeptiere die <a href=\"https:\/\/es.exxpress.at\/datenschutzerklaerung\/\" target=\"_blank\">Datenschutzvereinbarung<\/a>.*\n          <\/label>\n          <label class=\"checkbox-label hidden newsletter-label\">\n              <input type=\"checkbox\" name=\"newsletter\"\/>\n              Bitte halte mich auf dem Laufenden. 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(msg) => {\n                            $form.find('.num-input-error').remove();\n                        }\n                        const addNumInputError = (msg) => {\n                            removeNumInputError();\n                            $numInput.after(`<small class=\"num-input-error\">${msg}<\/small>`);\n                        }\n                        $numInput.on('change', e => {\n                            removeNumInputError();\n                            const $target = $(e.delegateTarget);\n                            const newValue = $target.val();\n                            if(Number.parseInt(newValue).toString() !== newValue) {\n                                $target.val(Number.parseInt(newValue));\n                                addNumInputError('Betrag muss rund und gr\u00f6\u00dfer 2\u20ac sein');\n                            } else if (Number.parseInt(newValue) < 2) {\n                                $target.val(2);\n                                addNumInputError('Betrag muss gr\u00f6\u00dfer 2\u20ac sein');\n                            }\n                        })\n    \n                        $form.find('.donate-btn-holder button').on('click', e => {\n                            $form.find('.donate-btn-holder button').removeClass('selected');\n                            const selected_value = $(e.delegateTarget).attr('value');\n                            $form.find('.donate-btn-holder button[value=\"' + selected_value + '\"]').addClass('selected');\n                            if (selected_value === 'free') {\n                                \/\/ $numInput.removeClass('hidden');\n                            } else {\n                              $numInput.addClass('hidden');\n                              $numInput.val(selected_value);\n                            }\n                            $form.change();\n                        });\n\n                        $form.find('.donate-type-btn-holder button').on('click', e => {\n                            $form.find('.donate-type-btn-holder button').removeClass('selected');\n                            const selected_value = $(e.delegateTarget).attr('value');\n                            $form.find('.donate-type-btn-holder button[value=\"' + selected_value + '\"]').addClass('selected');\n                            if (selected_value === 'free') {\n                              \/\/ some code\n                            } else {\n                              \/\/ $numInput.addClass('hidden');\n                              \/\/ $numInput.val(selected_value);\n                              \/\/ $form.change()\n                            }\n                            $form.change();\n                        });\n    \n                        const setDonateButtonUrl = () => {\n                            const type = jQuery('.donate-type-btn-holder .donate-select-btn.selected').attr('value');\n                            const amount = jQuery('.donate-btn-holder .donate-select-btn.selected').attr('value');\n                            const rawMail = $form.find('input[type=\"email\"]').val();\n                            const mail = encodeURIComponent(rawMail);\n                            const newsletter = $form.find('.newsletter-label input').is(':checked') ? '1' : '0';\n                            const page = site.post.id;\n                            const categories = encodeURIComponent(JSON.stringify(site.post.categories));\n                            console.log('should be setting to amount', amount)\n                            const amountUrlMapping = {\n                              onetime: {\n                                '5': 'https:\/\/buy.stripe.com\/8wMbKR6pi4tm2pa9AA',\n                                '10': 'https:\/\/buy.stripe.com\/4gw8yFeVOcZS1l69AB',\n                                '20': 'https:\/\/buy.stripe.com\/7sIcOV6pibVO7Ju8wy',\n                                '100': 'https:\/\/buy.stripe.com\/6oEcOV4ha1ha2pa3cf',\n                                'free': 'https:\/\/buy.stripe.com\/7sIaGN9BuaRK4xi5ko',\n                              },\n                              monthly: {\n                                '5': 'https:\/\/buy.stripe.com\/28o0297tm3pigg0dQW',\n                                '10': 'https:\/\/buy.stripe.com\/eVaaGN9Bue3W3te7sC',\n                                '20': 'https:\/\/buy.stripe.com\/aEUbKRdRKgc42pa8wF',\n                                '100': 'https:\/\/buy.stripe.com\/4gwg179BubVO4xi7sD',\n                                'free': 'https:\/\/buy.stripe.com\/14k5mt9Bu5xq6Fq28g',\n                              },\n                              yearly: {\n                                '5': 'https:\/\/buy.stripe.com\/14k16d7tmf809RCfZa',\n                                '10': 'https:\/\/buy.stripe.com\/8wMbKRcNG7FyfbW4gt',\n                                '20': 'https:\/\/buy.stripe.com\/00g8yF14Y2leaVGaES ',\n                                '100': 'https:\/\/buy.stripe.com\/dR67uB8xq4tmgg0bIX',\n                                'free': 'https:\/\/buy.stripe.com\/dR6dSZcNG4tm0h228o',\n                              }\n                            }\n                            \/\/ for (const amount in amountUrlMapping[type]) {\n                            \/\/   amountUrlMapping[type][amount] ? $form.find(`.donate-select-btn[value=\"${amount}\"]`).show() : $form.find(`.donate-select-btn[value=\"${amount}\"]`).hide();\n                            \/\/ }\n                            $form.find('a[type=\"button\"]').attr('href', amountUrlMapping[type][amount]);\n                            $('a[type=\"button\"]').off('click');\n                        \n                            if ($form[0].checkValidity() && amountUrlMapping[type][amount]) {\n                                $form.find('a[type=\"button\"]').removeClass('disabled')\n\n                                $('a[type=\"button\"]').on('click', e => {\n                                    \/\/ In a timeout, so the href keeps being the right one while the a click is handled by the browser\n                                    setTimeout(() => {\n                                        if(mauticApi && typeof mauticApi.send === 'function')\u00a0{\n                                            console.log('Sending to mautic ', {email: rawMail, is_newsletter: newsletter})\n                                            mauticApi.send({email: rawMail, is_newsletter: newsletter, source: \"Spende\"});\n                                        }\n                                        if (typeof gtag === 'function') {\n                                            gtag('event', 'donation_submitted', {\n                                                event_category: 'donation',\n                                                event_label: 'form_submitted',\n                                                value: Number.parseInt(amount),\n                                                post: page,\n                                                category_slugs: categories,\n                                            });\n                                        }\n                                        \/*\n                                        Modal bleibt offen\n                                        $(\".mollie-donation-modal\").removeAttr(\"data-modal-opened\");\n                                        $(\".mollie-donation-modal\").removeAttr(\"open\");*\/\n                                        $form.find('button[value=\"' + default_value + '\"]').click()\n                                        $form.find('input[type=\"email\"]').val('')\n                                        $form.find('.checkbox-label').addClass('hidden');\n                                        $form.find('.checkbox-label input').prop('checked', false);\n                                        $form.change();\n                                    }, 100);\n                                });\n                            } else {\n                                $('a[type=\"button\"]').on('click', e => {\n                                    e.preventDefault();\n                                    $form[0].reportValidity();\n                                });\n                                $form.find('a[type=\"button\"]').addClass('disabled')\n                            }\n                        }\n                        setDonateButtonUrl();\n    \n                        $form.on('change', setDonateButtonUrl);\n                    }\n                });\n            })(jQuery);\n          });\n        <\/script>\n    <\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Ostern ohne das perfekte Ei? Kaum vorstellbar! Die Frage danach, wie man das perfekte Ei kocht, hat auch die Wissenschaft besch\u00e4ftigt.<\/p>\n","protected":false},"author":13,"featured_media":653548,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_wp_rev_ctl_limit":""},"categories":[5],"tags":[],"class_list":["post-653543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle"],"acf":[],"_links":{"self":[{"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/posts\/653543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/comments?post=653543"}],"version-history":[{"count":3,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/posts\/653543\/revisions"}],"predecessor-version":[{"id":653549,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/posts\/653543\/revisions\/653549"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/media\/653548"}],"wp:attachment":[{"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/media?parent=653543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/categories?post=653543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/es.exxpress.at\/api\/wp\/v2\/tags?post=653543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}