{"id":78220,"date":"2020-03-27T13:03:56","date_gmt":"2020-03-27T12:03:56","guid":{"rendered":"https:\/\/www.intarcon.com\/el-valor-de-la-cadena-de-frio\/"},"modified":"2024-12-12T10:06:34","modified_gmt":"2024-12-12T09:06:34","slug":"o-que-e-a-cadeia-de-frio","status":"publish","type":"post","link":"https:\/\/www.intarcon.com\/pt-pt\/o-que-e-a-cadeia-de-frio\/","title":{"rendered":"O que \u00e9 a cadeia de frio?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"78220\" class=\"elementor elementor-78220 elementor-18360\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-31da215b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"31da215b\" data-element_type=\"section\">\r\n\t\t\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-444dead9\" data-id=\"444dead9\" data-element_type=\"column\">\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-544a70ab elementor-widget elementor-widget-text-editor\" data-id=\"544a70ab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A cadeia de frio tem um valor essencial nos dias de hoje. Se analisarmos o nosso consumo di\u00e1rio de alimentos, verificamos que a grande maioria deles \u00e9 perec\u00edvel (carne, peixe, fruta, legumes&#8230;), pelo que \u00e9 essencial garantir a sua seguran\u00e7a para evitar poss\u00edveis problemas de sa\u00fade.<\/p><h2>O que \u00e9 a cadeia de frio?<\/h2><p>\u00c9 sabido que, para garantir a seguran\u00e7a alimentar, \u00e9 essencial manter e\/ou controlar a temperatura de conserva\u00e7\u00e3o e <a href=\"https:\/\/www.intarcon.com\/pt-pt\/a-importancia-da-refrigeracao-nos-generos-alimenticios\/\">refrigera\u00e7\u00e3o dos alimentos<\/a> dentro de limites razo\u00e1veis. Ora, o conceito de cadeia de frio significa que esta seguran\u00e7a s\u00f3 estar\u00e1 totalmente garantida se este controlo de temperatura for mantido durante todas e cada uma das fases do processo alimentar, desde a recolha das mat\u00e9rias-primas at\u00e9 ao consumo dos alimentos pelo consumidor final.<\/p><h3>Porque \u00e9 que a cadeia de frio \u00e9 importante?<\/h3><p>Considera-se que a cadeia de frio de um g\u00e9nero aliment\u00edcio foi respeitada quando, durante todo o processo, desde o momento em que o g\u00e9nero aliment\u00edcio \u00e9 produzido at\u00e9 ao seu consumo, foi sujeito a um controlo constante da temperatura. Por sua vez, deve garantir-se que a temperatura foi mantida dentro de um intervalo estabelecido (evitando flutua\u00e7\u00f5es significativas), espec\u00edfico para cada tipo de g\u00e9nero aliment\u00edcio.<\/p><p>Referimo-nos a este processo como uma &#8220;cadeia&#8221;, uma vez que consiste, de facto, em v\u00e1rios processos interligados: recolha de mat\u00e9rias-primas, transporte de mat\u00e9rias-primas, armazenamento, processamento, embalagem e acondicionamento, armazenamento, distribui\u00e7\u00e3o, armazenamento no ponto de venda, transporte para o ponto de consumo e armazenamento no ponto de consumo.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-78227\" src=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt.webp\" alt=\"\" width=\"1200\" height=\"848\" srcset=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt.webp 1200w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt-768x543.webp 768w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt-640x452.webp 640w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt-400x283.webp 400w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt-367x259.webp 367w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2023\/07\/proceso-venta-intarcon-pt-600x424.webp 600w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p><p>A cadeia de frio deve ser respeitada para todas as mat\u00e9rias-primas e g\u00e9neros aliment\u00edcios cuja estabilidade \u00e0 temperatura ambiente possa ser alterada. Desta forma, para al\u00e9m de mantermos essa estabilidade, conseguimos prolongar a sua vida \u00fatil, garantindo a manuten\u00e7\u00e3o das suas propriedades nutricionais e organol\u00e9pticas, bem como a sua seguran\u00e7a para o consumo humano.<\/p><h3>O que acontece se a cadeia de frio se perder?<\/h3><p>Quando um alimento congelado \u00e9 descongelado (temperatura &gt; -18 \u00b0C), mesmo que apenas parcialmente, durante um curto per\u00edodo de tempo (alguns minutos), a atividade microbiana recome\u00e7a em menor ou maior grau. Se reduzirmos novamente a temperatura e voltarmos a congelar, esta atividade parar\u00e1 de novo, mas teremos agora uma popula\u00e7\u00e3o de microrganismos maior do que antes e o alimento ter\u00e1 sofrido uma deteriora\u00e7\u00e3o mais ou menos not\u00f3ria. Esta quebra na cadeia de frio tem as seguintes consequ\u00eancias:<\/p><ol><li>Risco de envenenamento<\/li><li>Redu\u00e7\u00e3o do prazo de validade<\/li><li>Perda de qualidade: aparecimento de bact\u00e9rias, perdas nutricionais, maus cheiros&#8230;<\/li><\/ol><p>Por conseguinte, \u00e9 muito importante que mantenhamos os nossos frigor\u00edficos a uma temperatura adequada e t\u00e3o constante quanto poss\u00edvel. \u00c9 de salientar que os alimentos descongelados n\u00e3o devem ser recongelados, exceto se tiverem sido transformados e cozinhados a temperaturas superiores a 70 \u00b0C.<\/p><h2><a href=\"https:\/\/www.intarcon.com\/refrigeracion-integral-supermercados-plaza-lama\/\"><img decoding=\"async\" class=\"alignnone size-full wp-image-56149\" src=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1.webp\" alt=\"CTA Supermercado Plaza Lama - INTARCON\" width=\"1204\" height=\"347\" srcset=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1.webp 1204w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1-768x221.webp 768w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1-640x184.webp 640w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1-400x115.webp 400w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1-367x106.webp 367w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/05\/cta-ce-supermercado-plaza-lama-es-1204-x-347-px-1-600x173.webp 600w\" sizes=\"(max-width: 1204px) 100vw, 1204px\" \/><\/a><\/h2><h2>Como detetar se a cadeia de frio foi quebrada?<\/h2><p>Detetar se um alimento quebrou a cadeia de frio pode ser dif\u00edcil para o consumidor final, uma vez que n\u00e3o existem provas \u00f3bvias. No caso dos produtos congelados, existem ind\u00edcios \u00f3bvios de que o produto n\u00e3o manteve a cadeia de frio:<\/p><ul><li><strong>Forma\u00e7\u00e3o de gelo:<\/strong> quando aumentamos a temperatura de um produto congelado, este cede parte do seu conte\u00fado de \u00e1gua ao ambiente circundante. Quando \u00e9 recongelado, esta \u00e1gua transforma-se em gelo, quer no pr\u00f3prio alimento, quer no interior da embalagem. Isto pode at\u00e9 fazer com que os alimentos fiquem endurecidos e formem blocos.<\/li><li><strong>Estado da embalagem:<\/strong> no caso dos produtos embalados em caixas de cart\u00e3o, se a embalagem for demasiado mole, deve ser motivo de desconfian\u00e7a.<\/li><li><strong>Tempo de descongela\u00e7\u00e3o:<\/strong> Se o tempo de descongela\u00e7\u00e3o for demasiado curto, pode ser um ind\u00edcio de que os alimentos n\u00e3o foram mantidos \u00e0 temperatura correcta (&lt; -18 \u00b0C).<\/li><\/ul><p>\u00a0<\/p><h2>Como \u00e9 que mantemos e garantimos a cadeia de frio?<\/h2><p>Para manter e garantir a cadeia de frio, \u00e9 necess\u00e1rio:<\/p><ol><li>Embalagem herm\u00e9tica de g\u00e9neros aliment\u00edcios<\/li><li>Armazenar os g\u00e9neros aliment\u00edcios em c\u00e2maras frigor\u00edficas espec\u00edficas<\/li><li>Manter os alimentos a uma temperatura &lt; -18 \u00b0C em todos os processos.<\/li><li>Utilizar transportes especializados<\/li><li>Medir e monitorizar a temperatura ao longo da cadeia<\/li><li>\u00c9 tamb\u00e9m aconselh\u00e1vel que o sistema de refrigera\u00e7\u00e3o esteja equipado com um sistema de monitoriza\u00e7\u00e3o e controlo, como o da <a href=\"https:\/\/www.kiconex.com\/\">kiconex<\/a>. Idealmente, o sistema deve incorporar uma fun\u00e7\u00e3o de manuten\u00e7\u00e3o preditiva que possa atuar sobre o sistema de refrigera\u00e7\u00e3o. Desta forma, ser\u00e1 capaz de detetar a deteriora\u00e7\u00e3o ou quebra de um dispositivo antes que ocorra. Isto permite que a seguran\u00e7a alimentar seja praticamente 100% garantida.<\/li><\/ol><p><img decoding=\"async\" class=\"alignnone wp-image-64290 size-full\" src=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT.jpg\" alt=\"Pedir aconselhamento t\u00e9cnico - INTARCON\" width=\"1191\" height=\"347\" srcset=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT.jpg 1191w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT-768x224.jpg 768w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT-640x186.jpg 640w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT-400x117.jpg 400w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT-367x107.jpg 367w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2022\/06\/CTA-Solicitar-Asesoria-PT-600x175.jpg 600w\" sizes=\"(max-width: 1191px) 100vw, 1191px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/section>\r\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-98877f9 elementor-section-height-min-height elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"98877f9\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\r\n\t\t\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2ed36f8\" data-id=\"2ed36f8\" data-element_type=\"column\">\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap\">\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-80b2006\" data-id=\"80b2006\" data-element_type=\"column\">\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a105481 elementor-widget elementor-widget-heading\" data-id=\"a105481\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Achou este post interessante?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfc72c9 elementor-widget elementor-widget-text-editor\" data-id=\"cfc72c9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Continuar a ler sobre<span style=\"color: #0085bb;\"> a refrigera\u00e7\u00e3o dos alimentos&#8230;<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/section>\r\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-22a7c91 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"22a7c91\" data-element_type=\"section\">\r\n\t\t\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-54b98e2\" data-id=\"54b98e2\" data-element_type=\"column\">\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-123cd2c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"123cd2c\" data-element_type=\"section\">\r\n\t\t\r\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\r\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-396ffaf\" data-id=\"396ffaf\" data-element_type=\"column\">\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9f158d6 elementor-widget elementor-widget-image\" data-id=\"9f158d6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.intarcon.com\/pt-pt\/a-importancia-da-refrigeracao-nos-generos-alimenticios\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"128\" height=\"70\" src=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/La-importancia-de-la-refrigeracion-en-alimentos.webp\" class=\"attachment-thumbnail size-thumbnail wp-image-63896\" alt=\"La importancia de la refrigeraci\u00f3n en alimentos - INTARCON\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50d983e elementor-widget elementor-widget-heading\" data-id=\"50d983e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.intarcon.com\/pt-pt\/a-importancia-da-refrigeracao-nos-generos-alimenticios\/\">A import\u00e2ncia da refrigera\u00e7\u00e3o nos g\u00e9neros aliment\u00edcios<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7fead36\" data-id=\"7fead36\" data-element_type=\"column\">\r\n\t\t\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\r\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4d5982c elementor-widget elementor-widget-image\" data-id=\"4d5982c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.intarcon.com\/pt-pt\/congelamento-de-alimentos\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"840\" height=\"347\" src=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos.webp\" class=\"attachment-medium size-medium wp-image-68559\" alt=\"Miniatura congelaci\u00f3n de alimentos\" srcset=\"https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos.webp 840w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos-768x317.webp 768w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos-640x264.webp 640w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos-400x165.webp 400w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos-367x152.webp 367w, https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/04\/miniatura-congelacion-alimentos-600x248.webp 600w\" sizes=\"(max-width: 840px) 100vw, 840px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4897fcf elementor-widget elementor-widget-heading\" data-id=\"4897fcf\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/www.intarcon.com\/pt-pt\/congelamento-de-alimentos\/\">A import\u00e2ncia do congelamento de alimentos<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/section>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t\t\t\t<\/section>\r\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A cadeia de frio tem um valor essencial nos dias de hoje. Se analisarmos o nosso consumo di\u00e1rio de alimentos, verificamos que a grande maioria deles \u00e9 perec\u00edvel (carne, peixe, fruta, legumes&#8230;), pelo que \u00e9 essencial garantir a sua seguran\u00e7a para evitar poss\u00edveis problemas de sa\u00fade. O que \u00e9 a cadeia de frio? \u00c9 sabido [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":78222,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[604,644,684],"tags":[],"class_list":["post-78220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elementos-de-refrigeracao-pt-pt","category-instalacao-manutencao-e-avarias","category-refrigeracao-de-alimentos"],"featured_image_src":{"landsacpe":["https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/03\/Cadena-de-fr\u00edo-1140x445.jpg",1140,445,true],"list":["https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/03\/Cadena-de-fr\u00edo-463x348.jpg",463,348,true],"medium":["https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/03\/Cadena-de-fr\u00edo-300x169.jpg",300,169,true],"full":["https:\/\/www.intarcon.com\/wp-content\/uploads\/2020\/03\/Cadena-de-fr\u00edo.jpg",1393,786,false]},"yoast_head":"<!-- This site is optimized with the 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