{"id":264831,"date":"2026-09-13T10:37:00","date_gmt":"2026-09-13T13:37:00","guid":{"rendered":"https:\/\/www.em.com.br\/emfoco\/?p=264831"},"modified":"2026-09-12T20:57:18","modified_gmt":"2026-09-12T23:57:18","slug":"a-tabua-de-corte-pode-parecer-limpa-mas-estes-sulcos-indicam-que-chegou-a-hora-de-troca-la","status":"publish","type":"post","link":"https:\/\/www.em.com.br\/emfoco\/2026\/09\/13\/a-tabua-de-corte-pode-parecer-limpa-mas-estes-sulcos-indicam-que-chegou-a-hora-de-troca-la\/","title":{"rendered":"A t\u00e1bua de corte pode parecer limpa, mas estes sulcos indicam que chegou a hora de troc\u00e1-la"},"content":{"rendered":"\n<div class=\"emf-summary google-auto-ads-ignore\">\n  <style>\n    .emf-summary {\n      --emf-navy:#00245a;\n      --emf-navy-soft:#0b3b70;\n      --emf-ink:#1d2731;\n      --emf-muted:#66727e;\n      --emf-line:#d7dde5;\n      --emf-paper:#ffffff;\n      --emf-wash:#f4f6f8;\n      box-sizing:border-box!important;\n      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<div class=\"emf-summary-card\">\n      <span aria-hidden=\"true\" class=\"emf-summary-number\">01<\/span>\n      <div aria-level=\"3\" class=\"emf-summary-card-title\" role=\"heading\">\n        Sulco profundo importa\n      <\/div>\n      <div class=\"emf-summary-card-text\">\n        Marcas leves fazem parte do uso, mas ranhuras profundas e dif\u00edceis de alcan\u00e7ar mudam a capacidade de limpar a superf\u00edcie por completo.\n      <\/div>\n      <div class=\"emf-summary-card-meta\">\n        Sinal de desgaste\n      <\/div>\n    <\/div>\n    <div class=\"emf-summary-card\">\n      <span aria-hidden=\"true\" class=\"emf-summary-number\">02<\/span>\n      <div aria-level=\"3\" class=\"emf-summary-card-title\" role=\"heading\">\n        Material tamb\u00e9m envelhece\n      <\/div>\n      <div class=\"emf-summary-card-text\">\n        T\u00e1buas de pl\u00e1stico e madeira sofrem cortes, riscos e deforma\u00e7\u00f5es ao longo do tempo, mesmo quando recebem lavagem frequente.\n      <\/div>\n      <div class=\"emf-summary-card-meta\">\n        Uso normal\n      <\/div>\n    <\/div>\n    <div class=\"emf-summary-card\">\n      <span aria-hidden=\"true\" class=\"emf-summary-number\">03<\/span>\n      <div aria-level=\"3\" class=\"emf-summary-card-title\" role=\"heading\">\n        Limpeza tem limite\n      <\/div>\n      <div class=\"emf-summary-card-text\">\n        Quando a superf\u00edcie j\u00e1 n\u00e3o pode ser higienizada de forma eficaz, a troca passa a ser mais segura que insistir no utens\u00edlio.\n      <\/div>\n      <div class=\"emf-summary-card-meta\">\n        Hora de trocar\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Uma <strong>t\u00e1bua de corte<\/strong> pode sair da pia sem restos vis\u00edveis e esconder ranhuras profundas feitas pela faca. Quando os sulcos ficam <strong>dif\u00edceis de limpar<\/strong>, a superf\u00edcie dificulta a higieniza\u00e7\u00e3o e evidencia desgaste. \u00c9 esse estado, n\u00e3o somente a idade do utens\u00edlio, que indica claramente a necessidade da troca.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por que os sulcos da t\u00e1bua de corte merecem aten\u00e7\u00e3o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/pt.wikipedia.org\/wiki\/T%C3%A1bua_de_cortar\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>t\u00e1bua de cortar<\/strong><\/a> recebe impacto repetido da faca e, com o tempo, forma riscos. O problema come\u00e7a quando essas marcas viram <strong>ranhuras dif\u00edceis de alcan\u00e7ar<\/strong> na lavagem, deixando a superf\u00edcie menos simples de higienizar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nem toda marca exige descarte imediato. <strong>Desgaste leve \u00e9 esperado<\/strong> em um utens\u00edlio usado com frequ\u00eancia. A troca passa a fazer sentido quando a superf\u00edcie fica muito marcada, \u00e1spera, deformada ou com sulcos que ret\u00eam res\u00edduos mesmo depois de uma limpeza cuidadosa.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23-1024x576.jpg\" alt=\"\" class=\"wp-image-264852\" srcset=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23-1024x576.jpg 1024w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23-300x169.jpg 300w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23-768x432.jpg 768w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23-750x421.jpg 750w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23-1140x641.jpg 1140w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuos23.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">O desgaste precisa ser avaliado junto com o material e o estado geral da superf\u00edcie<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Quando uma t\u00e1bua aparentemente limpa j\u00e1 est\u00e1 gasta demais?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A orienta\u00e7\u00e3o do servi\u00e7o de seguran\u00e7a de alimentos dos Estados Unidos \u00e9 observar <strong>desgaste excessivo e sulcos dif\u00edceis de limpar<\/strong>. Esses sinais importam mais do que uma regra fixa de meses ou anos, porque o ritmo de desgaste muda conforme material e frequ\u00eancia de uso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Isso explica por que duas t\u00e1buas compradas juntas podem ter vidas \u00fateis diferentes. Uma usada diariamente com facas pesadas pode criar <strong>cortes profundos mais cedo<\/strong>, enquanto outra usada para tarefas leves mant\u00e9m a superf\u00edcie lisa por mais tempo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quais sinais mostram que a limpeza j\u00e1 n\u00e3o est\u00e1 funcionando bem?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/extension.umn.edu\/es\/node\/161316\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>University of Minnesota Extension<\/strong><\/a> orienta evitar t\u00e1buas com <strong>sulcos ou riscos profundos<\/strong>, porque essas \u00e1reas podem reter germes. O principal \u00e9 perceber se a superf\u00edcie ainda pode ser esfregada e enxaguada por completo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al\u00e9m das ranhuras, <strong>rachaduras, empenamento e partes soltas<\/strong> tamb\u00e9m dificultam o uso e a limpeza. Em t\u00e1buas de madeira laminada, separa\u00e7\u00f5es entre camadas merecem aten\u00e7\u00e3o; em pl\u00e1stico, \u00e1reas muito riscadas podem ficar \u00e1speras e dif\u00edceis de lavar.<\/p>\n\n\n\n<p class=\"myth-list-bridge wp-block-paragraph\">A seguir listamos <strong>quatro sinais de desgaste<\/strong> que ajudam a decidir quando uma t\u00e1bua deixou de ser f\u00e1cil de higienizar:<\/p>\n\n\n\n<ul class=\"wp-block-list myth-bullet-list\">\n<li><strong>Sulcos:<\/strong> cortes fundos permanecem vis\u00edveis e dif\u00edceis de esfregar.<\/li>\n\n\n\n<li><strong>Rachaduras:<\/strong> aberturas criam \u00e1reas que acumulam umidade e res\u00edduos.<\/li>\n\n\n\n<li><strong>Empenamento:<\/strong> a base deixa de apoiar de forma est\u00e1vel na bancada.<\/li>\n\n\n\n<li><strong>Camadas:<\/strong> partes laminadas come\u00e7am a abrir ou se separar.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Leia tamb\u00e9m: <a href=\"https:\/\/www.em.com.br\/emfoco\/2026\/09\/12\/depois-de-limpar-o-forno-varias-vezes-sem-conseguir-tirar-as-manchas-ele-desmontou-a-porta-e-descobriu-que-a-gordura-estava-presa-entre-os-2-vidros\/\" target=\"_blank\" rel=\"noreferrer noopener\">Depois de limpar o forno v\u00e1rias vezes sem conseguir tirar as manchas, ele desmontou a porta e descobriu que a gordura estava presa entre os 2 vidros<\/a><\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1-1024x576.jpg\" alt=\"\" class=\"wp-image-264854\" srcset=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1-1024x576.jpg 1024w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1-300x169.jpg 300w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1-768x432.jpg 768w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1-750x421.jpg 750w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1-1140x641.jpg 1140w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/09\/tabuas231-1.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Uma t\u00e1bua muito marcada pode continuar com apar\u00eancia limpa mesmo quando seus sulcos dificultam a higieniza\u00e7\u00e3o<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Madeira e pl\u00e1stico precisam ser trocados pelo mesmo motivo?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os dois materiais podem desenvolver <strong>marcas que dificultam a limpeza<\/strong>, embora envelhe\u00e7am de formas diferentes. Madeira pode rachar, ressecar ou separar camadas; pl\u00e1stico tende a acumular cortes e \u00e1reas \u00e1speras conforme recebe a l\u00e2mina repetidamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por isso, a decis\u00e3o n\u00e3o depende apenas do material. <strong>A condi\u00e7\u00e3o real da superf\u00edcie<\/strong> \u00e9 o melhor guia dom\u00e9stico: se ainda est\u00e1 \u00edntegra, lisa e lav\u00e1vel, o utens\u00edlio continua funcional; se os danos impedem limpeza eficaz, a troca ganha prioridade.<\/p>\n\n\n\n<p class=\"myth-html-bridge wp-block-paragraph\">A seguir listamos <strong>quatro tipos de desgaste<\/strong> e o que cada um costuma indicar na avalia\u00e7\u00e3o di\u00e1ria da t\u00e1bua:<\/p>\n\n\n\n<div class=\"emf-data-table google-auto-ads-ignore\">\n  <style>\n    .emf-data-table {\n      --emf-navy:#00245a;\n      --emf-navy-soft:#0b3b70;\n      --emf-ink:#1d2731;\n      --emf-muted:#66727e;\n      --emf-line:#d7dde5;\n      --emf-wash:#f4f6f8;\n      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impacto na limpeza da t\u00e1bua.<\/caption>\n      <thead>\n        <tr>\n          <th scope=\"col\">Sinal<\/th>\n          <th scope=\"col\">O que acontece<\/th>\n          <th scope=\"col\">Decis\u00e3o<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td data-label=\"Sinal\">Riscos leves<\/td>\n          <td data-label=\"O que acontece\">Superf\u00edcie ainda lisa<\/td>\n          <td data-label=\"Decis\u00e3o\">Continuar observando<\/td>\n        <\/tr>\n        <tr>\n          <td data-label=\"Sinal\">Sulcos fundos<\/td>\n          <td data-label=\"O que acontece\">Limpeza fica dif\u00edcil<\/td>\n          <td data-label=\"Decis\u00e3o\">Considerar troca<\/td>\n        <\/tr>\n        <tr>\n          <td data-label=\"Sinal\">Rachaduras<\/td>\n          <td data-label=\"O que acontece\">Res\u00edduos entram nas aberturas<\/td>\n          <td data-label=\"Decis\u00e3o\">Trocar<\/td>\n        <\/tr>\n        <tr>\n          <td data-label=\"Sinal\">Empenamento<\/td>\n          <td data-label=\"O que acontece\">Base fica inst\u00e1vel<\/td>\n          <td data-label=\"Decis\u00e3o\">Trocar<\/td>\n        <\/tr>\n\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Como fazer a t\u00e1bua durar mais sem ignorar o desgaste?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lavar logo ap\u00f3s o uso, secar bem e respeitar o material ajudam a preservar <strong>uma superf\u00edcie mais f\u00e1cil de limpar<\/strong>. T\u00e1buas que podem ir \u00e0 lava-lou\u00e7as devem seguir a orienta\u00e7\u00e3o do fabricante; madeira laminada, por exemplo, pode sofrer com ciclos inadequados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ainda assim, nenhuma <strong>t\u00e1bua de corte<\/strong> dura para sempre. O melhor crit\u00e9rio n\u00e3o \u00e9 esperar cheiro, sujeira vis\u00edvel ou uma data espec\u00edfica. Quando cortes se transformam em sulcos que j\u00e1 n\u00e3o respondem \u00e0 limpeza, a pr\u00f3pria superf\u00edcie mostra que chegou a hora de substituir o utens\u00edlio.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EM FOCO Resumo da mat\u00e9ria 01 Sulco profundo importa Marcas leves fazem parte do uso, mas ranhuras profundas e dif\u00edceis de alcan\u00e7ar mudam a capacidade de limpar a superf\u00edcie por completo. Sinal de desgaste 02 Material tamb\u00e9m envelhece T\u00e1buas de pl\u00e1stico e madeira sofrem cortes, riscos e deforma\u00e7\u00f5es ao longo do tempo, mesmo quando recebem [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":264851,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[8819],"tags":[3081,3563,3337,23821],"class_list":["post-264831","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosidades","tag-alimentos","tag-cozinha","tag-limpeza","tag-tabua"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A t\u00e1bua de corte pode parecer limpa, mas estes sulcos indicam que chegou a hora de troc\u00e1-la - Estado de Minas - Em foco<\/title>\n<meta name=\"description\" content=\"A t\u00e1bua pode parecer limpa e ainda estar gasta demais. 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