{"id":71046,"date":"2026-03-09T15:37:00","date_gmt":"2026-03-09T15:37:00","guid":{"rendered":"https:\/\/ainia.endesarrollo.pro\/listeria-monocytogenes-nos-alimentos-como-gerir-o-risco\/"},"modified":"2026-05-26T20:37:36","modified_gmt":"2026-05-26T20:37:36","slug":"listeria-monocytogenes-nos-alimentos-como-gerir-o-risco","status":"publish","type":"post","link":"https:\/\/ainia.endesarrollo.pro\/pt\/inovacao-tecnologica\/listeria-monocytogenes-nos-alimentos-como-gerir-o-risco\/","title":{"rendered":"Listeria monocytogenes nos alimentos: como gerir o risco"},"content":{"rendered":"\n<strong><em>Listeria monocytogenes <\/em><\/strong>consolidou-se como um dos principais riscos microbiol\u00f3gicos na ind\u00fastria alimentar europeia. O aumento cont\u00ednuo de surtos na Europa, as mudan\u00e7as nos h\u00e1bitos de consumo e o refor\u00e7o do enquadramento regulamentar europeu aumentaram significativamente as exig\u00eancias relacionadas com a valida\u00e7\u00e3o da vida \u00fatil e o controlo microbiol\u00f3gico dos alimentos. Neste artigo explicamos o que provocou este risco e como enfrent\u00e1-lo.\n\n<article><section>\n<ul>\n \t<li><strong><a href=\"#alerta-alimentaria-listeria-evolucion-de-los-casos\">Alerta alimentar de Listeria: evolu\u00e7\u00e3o dos casos<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#que-exige-la-legislacion-europea\">O que exige a legisla\u00e7\u00e3o europeia?<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#como-afrontar-el-riesgo-de-listeria-monocytogenes\">Como enfrentar o risco de Listeria monocytogenes<\/a><\/strong><\/li>\n \t<li><a href=\"#herramientas-disponibles-para-validar-la-vida-util\">Ferramentas dispon\u00edveis para validar a vida \u00fatil<\/a><\/li>\n<\/ul>\n<\/section><!-- BLOCO 1 -->\n\n<section>\n<h2 id=\"alerta-alimentaria-listeria-evolucion-de-los-casos\">Alerta alimentar de Listeria: evolu\u00e7\u00e3o dos casos<\/h2>\nEntre 2020 e 2025, ocorreram m\u00faltiplos incidentes relacionados com a presen\u00e7a de <em>Listeria monocytogenes<\/em> em alimentos, bem como surtos de listeriose que afetaram a sa\u00fade p\u00fablica em diferentes pa\u00edses.\n\n<img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-188579 size-large\" src=\"https:\/\/ainia.endesarrollo.pro\/wp-content\/uploads\/grafico-1-1-1024x680.jpg\" alt=\"Listeria cases in different years\" width=\"1024\" height=\"680\" \/>\n\nEste facto demonstra que <em>Listeria monocytogenes<\/em> continua a ser um pat\u00f3geno priorit\u00e1rio na vigil\u00e2ncia microbiol\u00f3gica, especialmente em:\n<ul>\n \t<li>Queijos de pasta mole<\/li>\n \t<li>Peixes fumados<\/li>\n \t<li>Produtos c\u00e1rneos prontos a consumir<\/li>\n<\/ul>\n<\/section><!-- BLOCO 2 -->\n\n<section>\n<h2 id=\"que-exige-la-legislacion-europea\"><img decoding=\"async\" class=\"alignnone wp-image-188574 size-large\" src=\"https:\/\/ainia.endesarrollo.pro\/wp-content\/uploads\/grafico-2-1-1024x680-1.jpg\" alt=\"Listeria comparison chart for Spain and Europe\" width=\"1024\" height=\"680\" \/><\/h2>\n<h2>O que exige a legisla\u00e7\u00e3o europeia?<\/h2>\nA altera\u00e7\u00e3o do <strong>Regulamento (UE) 2073\/2005 atrav\u00e9s do Regulamento (UE) 2024\/2895<\/strong> responde \u00e0 necessidade de <a href=\"https:\/\/www.ainia.com\/pt\/challenge-test\/\"><strong>garantir a prote\u00e7\u00e3o do consumidor durante toda a vida \u00fatil do produto<\/strong><\/a>, \u00e0 evid\u00eancia de crescimento de <em>Listeria monocytogenes<\/em> fora do controlo direto do produtor e \u00e0 necessidade de estabelecer crit\u00e9rios microbiol\u00f3gicos uniformes ao longo de toda a cadeia alimentar.\n\nEsta altera\u00e7\u00e3o introduz mudan\u00e7as importantes nos crit\u00e9rios de seguran\u00e7a alimentar, especialmente em alimentos prontos a consumir:\n<table>\n<thead>\n<tr>\n<th>Crit\u00e9rio microbiol\u00f3gico<\/th>\n<th>Aplica\u00e7\u00e3o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Aus\u00eancia em 25 g<\/strong><\/td>\n<td>Obrigat\u00f3ria quando n\u00e3o se pode demonstrar que Listeria n\u00e3o ultrapassar\u00e1 100 ufc\/g durante a vida \u00fatil<\/td>\n<\/tr>\n<tr>\n<td><strong>? 100 ufc\/g<\/strong><\/td>\n<td>Apenas aplic\u00e1vel se o operador demonstrar cientificamente que o crescimento est\u00e1 controlado<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nEstas medidas ser\u00e3o aplicadas a partir de <strong>1 de julho de 2026<\/strong>. A partir desse momento, o operador ser\u00e1 respons\u00e1vel por garantir o cumprimento durante toda a vida \u00fatil do produto.\n\n<\/section><!-- BLOCO 3 -->\n\n<section>\n<h2 id=\"como-afrontar-el-riesgo-de-listeria-monocytogenes\">Como enfrentar o risco de <em>Listeria monocytogenes<\/em>?<\/h2>\nAs novas tend\u00eancias de consumo, juntamente com as altera\u00e7\u00f5es regulamentares, exigem da ind\u00fastria alimentar uma abordagem rigorosa e multifatorial para prevenir o desenvolvimento de <em>Listeria monocytogenes<\/em>, especialmente em alimentos prontos a consumir. <strong>Para isso, \u00e9 necess\u00e1rio atuar em v\u00e1rias frentes:<\/strong>\n<ul>\n \t<li>Estabelecer, validar e verificar a vida \u00fatil do alimento.<\/li>\n \t<li>Revis\u00e3o das formula\u00e7\u00f5es.<\/li>\n \t<li>Controlo ambiental e de biofilmes.<\/li>\n \t<li>M\u00e9todos anal\u00edticos avan\u00e7ados.<\/li>\n \t<li>Gest\u00e3o documental e APPCC.<\/li>\n \t<li>Forma\u00e7\u00e3o do pessoal.<\/li>\n<\/ul>\n<\/section><!-- BLOCO 4 -->\n\n<section>\n<h2 id=\"herramientas-disponibles-para-validar-la-vida-util\">Ferramentas dispon\u00edveis para validar a vida \u00fatil<\/h2>\nA <strong>valida\u00e7\u00e3o da vida \u00fatil<\/strong> em alimentos prontos a consumir requer ferramentas espec\u00edficas que permitam avaliar o risco microbiol\u00f3gico. Entre as mais relevantes encontram-se os <a href=\"https:\/\/www.ainia.com\/pt\/challenge-test\/\"><strong>estudos do potencial de crescimento.<\/strong><\/a>\n\nPara isso, seguem-se as orienta\u00e7\u00f5es t\u00e9cnicas do <strong>Laborat\u00f3rio de Refer\u00eancia da Uni\u00e3o Europeia para <em>Listeria monocytogenes<\/em> (EURL Lm)<\/strong>, descritas no seu documento t\u00e9cnico sobre challenge tests e estudos de durabilidade. Este protocolo fornece uma base cient\u00edfica para conceber estudos que simulem condi\u00e7\u00f5es reais de conserva\u00e7\u00e3o, avaliar o comportamento de <em>Listeria monocytogenes<\/em> em diferentes matrizes alimentares e determinar se o alimento pode ser considerado seguro durante todo o seu per\u00edodo de vida \u00fatil.\n\nO objetivo dos estudos de potencial de crescimento de <em>Listeria monocytogenes<\/em> \u00e9 avaliar se este microrganismo pode desenvolver-se num alimento pronto a consumir durante a sua vida \u00fatil.\n\n<img decoding=\"async\" class=\"alignnone wp-image-135564 size-full\" src=\"https:\/\/ainia.endesarrollo.pro\/wp-content\/uploads\/Bloque-4_Challengetest-e1724916021231.jpg\" alt=\"Challenge Test\" width=\"800\" height=\"533\" \/>\n\n<em><strong><span class=\"NormalTextRun SCXW149263133 BCX8\">Financiado pelo programa de\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW149263133 BCX8\">apoios<\/span><span class=\"NormalTextRun SCXW149263133 BCX8\">\u00a0\u00e0\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW149263133 BCX8\">contrata\u00e7\u00e3o<\/span><span class=\"NormalTextRun SCXW149263133 BCX8\">\u00a0de\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW149263133 BCX8\">jovens<\/span><span class=\"NormalTextRun SCXW149263133 BCX8\">\u00a0especializados em\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW149263133 BCX8\">internacionaliza\u00e7\u00e3o<\/span><\/strong><\/em>\n\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-191115 size-large\" src=\"https:\/\/ainia.endesarrollo.pro\/wp-content\/uploads\/Imagen1-7-1024x109.png\" alt=\"\" width=\"1024\" height=\"109\" \/>\n\n<\/section><\/article>\n","protected":false},"excerpt":{"rendered":"<p>Listeria monocytogenes consolidou-se como um dos principais riscos microbiol\u00f3gicos na ind\u00fastria alimentar europeia. O aumento cont\u00ednuo de surtos na Europa, as mudan\u00e7as nos h\u00e1bitos de consumo e o refor\u00e7o do enquadramento regulamentar europeu aumentaram significativamente as exig\u00eancias relacionadas com a valida\u00e7\u00e3o da vida \u00fatil e o controlo microbiol\u00f3gico dos alimentos. Neste artigo explicamos o que [&hellip;]<\/p>\n","protected":false},"author":392,"featured_media":71047,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[85],"tags":[],"tipo-documento":[],"class_list":["post-71046","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-inovacao-tecnologica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Listeria monocytogenes nos alimentos: como gerir o risco - AINIA<\/title>\n<meta name=\"description\" content=\"Listeria monocytogenes: conhe\u00e7a a evolu\u00e7\u00e3o dos casos na Europa, as novas exig\u00eancias regulamentares e as ferramentas essenciais para validar o prazo de validade e controlar o risco em alimentos prontos a consumir.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, 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