{"id":491,"date":"2026-03-10T00:05:00","date_gmt":"2026-03-10T00:05:00","guid":{"rendered":"https:\/\/flozano.santcugatesn.com\/?p=491"},"modified":"2026-05-06T15:07:18","modified_gmt":"2026-05-06T15:07:18","slug":"el-laboratori-pequechef-el-misteri-de-la-poma-oxidada","status":"publish","type":"post","link":"https:\/\/flozano.santcugatesn.com\/index.php\/2026\/03\/10\/el-laboratori-pequechef-el-misteri-de-la-poma-oxidada\/","title":{"rendered":"EL LABORATORI PEQUECHEF: El misteri de la Poma Oxidada"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hola, mini-cient\u00edfics! Avui al blog de <strong>Pequechef<\/strong> no nom\u00e9s cuinarem, sin\u00f3 que farem un experiment per resoldre un dels grans misteris de la cuina: <strong>Per qu\u00e8 les pomes es tornen marrons quan les tallem?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Treu la teva bata blanca (o el teu davantal) i prepara el teu kit, perqu\u00e8 anem a investigar!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\uddd0 La hip\u00f2tesi<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Has tallat mai una poma pel berenar i, al cap de deu minuts, sembla que s&#8217;hagi fet vella? Aix\u00f2 es diu <strong>oxidaci\u00f3<\/strong>. Passa perqu\u00e8 la poma t\u00e9 unes subst\u00e0ncies que, en entrar en contacte amb l&#8217;oxigen de l&#8217;aire, reaccionen i canvien de color.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Per\u00f2&#8230; podem aturar-ho amb \u00abqu\u00edmica de cuina\u00bb? <strong>Anem a comprovar-ho!<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udee0\ufe0f Qu\u00e8 necessites del teu Kit?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>El Ganivet de seguretat Pequechef:<\/strong> Per fer talls nets i precisos.<\/li>\n\n\n\n<li><strong>El bol de barreges:<\/strong> Per preparar les nostres \u00abp\u00f3cimes\u00bb de protecci\u00f3.<\/li>\n\n\n\n<li><strong>Pinzell de silicona:<\/strong> Per pintar la fruita.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udf4e L&#8217;Experiment pas a pas<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Talla la poma:<\/strong> Amb el teu ganivet, talla 4 talps de poma iguals.<\/li>\n\n\n\n<li><strong>Prepara les estacions:<\/strong> * <strong>Talp 1:<\/strong> No hi posis res (ser\u00e0 el nostre control).\n<ul class=\"wp-block-list\">\n<li><strong>Talp 2:<\/strong> Pinta&#8217;l amb una mica de suc de llimona.<\/li>\n\n\n\n<li><strong>Talp 3:<\/strong> Pinta&#8217;l amb aigua sola.<\/li>\n\n\n\n<li><strong>Talp 4:<\/strong> Embolica&#8217;l amb film transparent (que no hi passi l&#8217;aire!).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>L&#8217;espera:<\/strong> Deixa passar 20 minuts. Qu\u00e8 creus que passar\u00e0?<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcca El Resultat (Alerta Spoilers!)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Estaci\u00f3<\/strong><\/td><td><strong>Resultat<\/strong><\/td><td><strong>Explicaci\u00f3 cient\u00edfica<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Control<\/strong><\/td><td>Marr\u00f3 fosc<\/td><td>L&#8217;oxigen l&#8217;ha atacat sense pietat!<\/td><\/tr><tr><td><strong>Llimona<\/strong><\/td><td><strong>Com nova!<\/strong><\/td><td>La llimona t\u00e9 Vitamina C (\u00e0cid asc\u00f2rbic) que fa d&#8217;escut contra l&#8217;oxigen.<\/td><\/tr><tr><td><strong>Aigua<\/strong><\/td><td>Una mica marr\u00f3<\/td><td>L&#8217;aigua frena l&#8217;aire, per\u00f2 no t\u00e9 \u00abpoders\u00bb qu\u00edmics.<\/td><\/tr><tr><td><strong>Film<\/strong><\/td><td>For\u00e7a b\u00e9<\/td><td>Hem tancat la porta a l&#8217;oxigen f\u00edsicament.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udc68\u200d\ud83c\udf73 Conclusi\u00f3 del Petit Xef<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La propera vegada que facis una maced\u00f2nia o et portis la poma a l&#8217;escola, utilitza el teu <strong>pinzell Pequechef<\/strong> i posa-li una mica de suc de llimona o taronja. Ser\u00e0s el rei o la reina del pati amb la fruita m\u00e9s fresca!<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Sabies que&#8230;?<\/strong> Les patates tamb\u00e9 s&#8217;oxiden! Per aix\u00f2 els xefs les deixen en un bol amb aigua mentre les pelen totes.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcf8 Repte del Laboratori<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fes una foto del teu experiment i explica&#8217;ns: <strong>Has provat de posar-li suc de taronja en comptes de llimona? Funciona igual?<\/strong> Comenta-ho a sota! \ud83d\udc47<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quin d&#8217;aquests tres estils t&#8217;agrada m\u00e9s per a la marca?<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>El de <strong>Receptes cl\u00e0ssiques<\/strong> (aprenentatge passatger).<\/li>\n\n\n\n<li>El de <strong>Reptes\/Challenge<\/strong> (joc i diversi\u00f3).<\/li>\n\n\n\n<li>El <strong>Cient\u00edfic<\/strong> (curiositats i experiments).<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"299\" height=\"168\" src=\"https:\/\/flozano.santcugatesn.com\/wp-content\/uploads\/2026\/02\/image.jpeg\" alt=\"\" class=\"wp-image-179\" style=\"width:1119px;height:auto\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Hola, mini-cient\u00edfics! Avui al blog de Pequechef no nom\u00e9s cuinarem, sin\u00f3 que farem un experiment per resoldre un dels grans<\/p>\n<div class=\"more-link\">\n             <a href=\"https:\/\/flozano.santcugatesn.com\/index.php\/2026\/03\/10\/el-laboratori-pequechef-el-misteri-de-la-poma-oxidada\/\" class=\"theme-btn\"><span>Seguir leyendo <\/span><i class=\"bi bi-arrow-right\"><\/i><\/a>\n        <\/div>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-491","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/posts\/491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/comments?post=491"}],"version-history":[{"count":1,"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/posts\/491\/revisions"}],"predecessor-version":[{"id":492,"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/posts\/491\/revisions\/492"}],"wp:attachment":[{"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/media?parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/categories?post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/flozano.santcugatesn.com\/index.php\/wp-json\/wp\/v2\/tags?post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}