<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />{"id":218032,"date":"2022-01-08T19:49:40","date_gmt":"2022-01-08T19:49:40","guid":{"rendered":"https:\/\/www.proacciona.es\/migracions-als-materials-en-contacte-amb-aliments\/"},"modified":"2023-01-02T16:55:55","modified_gmt":"2023-01-02T16:55:55","slug":"migracions-als-materials-en-contacte-amb-aliments","status":"publish","type":"post","link":"https:\/\/www.proacciona.es\/ca\/migracions-als-materials-en-contacte-amb-aliments\/","title":{"rendered":"Migracions als materials en contacte amb aliments"},"content":{"rendered":"<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div><p>[et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb custom_margin=\u00bb||||false|false\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<p style=\"text-align: center;\"><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text admin_label=\u00bbText presentaci\u00f3\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto||||||||\u00bb text_font_size=\u00bb18px\u00bb text_line_height=\u00bb1.6em\u00bb global_colors_info=\u00bb{}\u00bb]<\/p>\n<p>Saps qu\u00e8 \u00e9s la migraci\u00f3 dels materials en contacte amb aliments? En aquest article us expliquem com funciona el proc\u00e9s de migraci\u00f3 amb els factors que l&#8217;afecten. A m\u00e9s, anomenem quines s\u00f3n les regulacions existents per garantir la seguretat aliment\u00e0ria en els diferents tipus de migracions. No esperis m\u00e9s i segueix llegint per aprendre tot all\u00f2 necessari sobre les migracions en els materials en contacte amb aliments.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00bb1&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_row _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_column type=\u00bb4_4&#8243; _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb global_colors_info=\u00bb{}\u00bb][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Qu\u00e8 \u00e9s la migraci\u00f3 en seguretat aliment\u00e0ria?<\/h2>\n<p>Per migraci\u00f3 entenem <strong>el pas de compostos qu\u00edmics procedents d&#8217;un material als aliments amb qu\u00e8 entra en contacte.<\/strong> Aquest trasp\u00e0s pot ser per contacte directe, per exemple en el cas dels l\u00edquids en bric, o indirecte, com en el cas de les patates fregides envasades, que gaireb\u00e9 no toquen la bossa.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Proc\u00e9s de migraci\u00f3<\/h2>\n<p><strong>La migraci\u00f3 \u00e9s un fenomen superficial que t\u00e9 lloc en dues fases:<\/strong><\/p>\n<ol>\n<li>Es produeix una<strong> difusi\u00f3 de les mol\u00e8cules<\/strong> de baix pes molecular del pl\u00e0stic.<\/li>\n<li>T\u00e9 lloc la <strong>solubilitzaci\u00f3 d&#8217;aquestes mol\u00e8cules<\/strong> (migrants) a l&#8217;aliment.<\/li>\n<\/ol>\n<h3>Factors que afecten la migraci\u00f3<\/h3>\n<ul>\n<li>Solubilitat del migrant a l&#8217;aliment.<\/li>\n<li>Compatibilitat del migrant amb el pol\u00edmer.<\/li>\n<li>Tend\u00e8ncia del migrant a difondre.<\/li>\n<li>Capacitat extractiva de laliment. Naturalesa de la fase de contacte.<\/li>\n<li>Mobilitat del migrant a l&#8217;aliment.<\/li>\n<li>Densitat del pl\u00e0stic.<\/li>\n<li>Temps de contacte entre l&#8217;aliment i l&#8217;env\u00e0s.<\/li>\n<li>Temperatura.<\/li>\n<li>Gruix del material.<\/li>\n<li>Superf\u00edcie de contacte.<\/li>\n<li>Factors mec\u00e0nics (agitaci\u00f3, vibraci\u00f3).<\/li>\n<li>Difer\u00e8ncies morfol\u00f2giques i estructurals a la matriu polim\u00e8rica originades durant el proc\u00e9s de fabricaci\u00f3.<\/li>\n<\/ul>\n<p>[\/et_pb_text][et_pb_image src=\u00bbhttps:\/\/www.proacciona.es\/wp-content\/uploads\/2022\/01\/tipos-de-migraciones.jpg\u00bb alt=\u00bbcom es classifiquen els ous\u00bb title_text=\u00bbtipus de migracions\u00bb align=\u00bbcenter\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb width=\u00bb60%\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_image][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h3>Migraci\u00f3 segons les caracter\u00edstiques del migrant<\/h3>\n<p>En general, com m\u00e9s soluble sigui l&#8217;migrant a l&#8217;aliment m\u00e9s migraci\u00f3 es produir\u00e0, ja que el gradient de concentraci\u00f3 a la interf\u00edcie ser\u00e0 elevada. Com m\u00e9s mobilitat tingui el migrant al pol\u00edmer, m\u00e9s f\u00e0cilment podr\u00e0 assolir la interfase i, en conseq\u00fc\u00e8ncia, solubilitzar-se a l&#8217;aliment. Aix\u00ed mateix, factors com a temperatura elevada i processos mec\u00e0nics (agitaci\u00f3) afavoreixen una migraci\u00f3 elevada de components.<\/p>\n<h3>Migraci\u00f3 segons el tipus d&#8217;aliment<\/h3>\n<p>Normalment la migraci\u00f3 \u00e9s feble en els aliments crus o congelats, per\u00f2 m\u00e9s accentuada en els aliments transformats com les salses greixoses i els productes pasteuritzats o esterilitzats dins del propi env\u00e0s.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Regulaci\u00f3 general<\/h2>\n<p>D&#8217;acord amb el <a href=\"https:\/\/www.boe.es\/buscar\/doc.php?id=DOUE-L-2004-82656\">Reglamento N.\u00ba 1935\/2004<\/a>, els <strong>materials destinats a entrar en contacte amb aliments han de complir quatre pilars b\u00e0sics, entre els quals la in\u00e8rcia.<\/strong> En seguretat aliment\u00e0ria, la in\u00e8rcia \u00e9s la resist\u00e8ncia que han de tenir els materials a cedir components als aliments amb qu\u00e8 entren en contacte, i es calcula mitjan\u00e7ant la determinaci\u00f3 del valor de la migraci\u00f3. Per aix\u00f2, aquest Reglament estableix que<strong> els aliments destinats a entrar en contacte amb aliments no han de:<\/strong><\/p>\n<ul>\n<li>Transferir els components als aliments en quantitats que puguin representar un perill per a la salut humana.<\/li>\n<li>Modificar la composici\u00f3 dels aliments de manera inacceptable.<\/li>\n<li>Alterar-ne les caracter\u00edstiques organol\u00e8ptiques.<\/li>\n<\/ul>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Regulaci\u00f3 per a pl\u00e0stics<\/h2>\n<p>Com que el grau d&#8217;interacci\u00f3 entre els <strong>materials pl\u00e0stics<\/strong> i l&#8217;entorn \u00e9s molt m\u00e9s gran que en altres materials en contacte amb aliments, el <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/ES\/ALL\/?uri=CELEX%3A32011R0010\">Reglamento (UE) N.\u00ba 10\/2011<\/a> de la Comissi\u00f3 de 14 de gener de 2011, recull <strong>l\u00edmits espec\u00edfics per a la migraci\u00f3 d&#8217;elements a l&#8217;aliment,<\/strong> que han de ser mesurats en les anomenades an\u00e0lisis de migraci\u00f3, anal\u00edtiques en qu\u00e8 es mesuren els nivells de migraci\u00f3 del producte.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Tipus de migraci\u00f3<\/h2>\n<h3>Migraci\u00f3 global<\/h3>\n<p>La <strong>migraci\u00f3 global \u00e9s la suma de tots els components que es transfereixen<\/strong> des del pl\u00e0stic fins a l&#8217;aliment, sota unes condicions determinades. El l\u00edmit de la migraci\u00f3 global per a materials pl\u00e0stics est\u00e0 definit a la directiva espec\u00edfica <a href=\"https:\/\/www.boe.es\/doue\/2002\/220\/L00018-00058.pdf\">2002\/72\/CE<\/a> i \u00e9s de 10 mg de constituents alliberats per dm\u00b2 de superf\u00edcie o 60 mg de constituents alliberats per quilo d&#8217;aliment o simulant alimentari.<\/p>\n<h3>Migraci\u00f3 espec\u00edfica<\/h3>\n<p>D&#8217;altra banda, <strong>la migraci\u00f3 espec\u00edfica nom\u00e9s fa refer\u00e8ncia a una subst\u00e0ncia en particular<\/strong> i, per tant, el l\u00edmit de migraci\u00f3 canvia en funci\u00f3 d&#8217;aquesta. Per exemple, per a la caprolactama \u00e9s de 15 mg\/kg, i per a l&#8217;acetat de vinil \u00e9s de 12 mg\/kg. En aquest cas, el fabricant de la mat\u00e8ria primera \u00e9s qui ha d&#8217;indicar quines subst\u00e0ncies estan subjectes a migraci\u00f3 espec\u00edfica, i ho ha d&#8217;indicar a les declaracions de conformitat dels materials.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00bbhttps:\/\/www.proacciona.es\/wp-content\/uploads\/2022\/01\/calcular-la-migracion-de-un-alimento.jpg\u00bb alt=\u00bbcom es classifiquen els ous\u00bb title_text=\u00bbcalcular la migraci\u00f3 d&#8217;un aliment\u00bb align=\u00bbcenter\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb width=\u00bb60%\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb][\/et_pb_image][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Com calculeu el l\u00edmit de migraci\u00f3?<\/h2>\n<p>\u00c9s recomanable <strong>calcular primer el l\u00edmit de migraci\u00f3 global<\/strong> i, segons el valor obtingut, prendre la decisi\u00f3 defectuar o no lespec\u00edfic. Aix\u00f2 \u00e9s especialment important <strong>en els casos en qu\u00e8 se supera el l\u00edmit legislatiu per al global<\/strong>, at\u00e8s que, generalment, els m\u00e8todes per a l&#8217;espec\u00edfica s\u00f3n m\u00e9s llargs i cars.<\/p>\n<p>Cal destacar que<strong> la responsabilitat d&#8217;aquestes anal\u00edtiques no est\u00e0 impl\u00edcita a la legislaci\u00f3.<\/strong> \u00c9s per aix\u00f2 que \u00e9s com\u00fa la discussi\u00f3 sobre qui ha d&#8217;assumir el cost d&#8217;anal\u00edtiques espec\u00edfiques de migraci\u00f3 per a les condicions de l&#8217;aliment, si el fabricant dels materials en contacte amb aliments o b\u00e9 el productor de l&#8217;aliment.<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<h2>Com acreditar-ne la seguretat? Declaraci\u00f3 de Conformitat<\/h2>\n<p><strong>La Declaraci\u00f3 de Conformitat \u00e9s el document que assegura que el material que estar\u00e0 en contacte amb l&#8217;aliment \u00e9s apte per a aquest \u00fas.<\/strong> Encara que actualment hi ha 17 grups de materials en contacte amb aliments identificats, <strong>la UE nom\u00e9s ha desenvolupat legislaci\u00f3 espec\u00edfica,<\/strong> amb informaci\u00f3 relacionada amb la Declaraci\u00f3 de Conformitat aplicable, en 4 casos: materials i objectes actius i intel\u00b7ligents, cer\u00e0mica, pl\u00e0stic i cel\u00b7lulosa regenerada.<\/p>\n<p>Per als altres grups de materials que no tenen legislaci\u00f3 espec\u00edfica, una possible opci\u00f3 \u00e9s <strong>prendre com a refer\u00e8ncia la declaraci\u00f3 de conformitat corresponent a un altre tipus de material<\/strong> (la dels materials pl\u00e0stics \u00e9s la m\u00e9s adaptable) i adaptar-la al material concret. Tamb\u00e9 es pot rec\u00f3rrer a la legislaci\u00f3 espec\u00edfica desenvolupada per altres estats membres, en el cas que aquesta existeixi, oa les guies i les recomanacions d&#8217;experts.<\/p>\n<p><strong>Informaci\u00f3 que ha de contenir:<\/strong><\/p>\n<ol>\n<li>Subst\u00e0ncies que cont\u00e9 el material i l\u00edmit m\u00e0xim establert.<\/li>\n<li>Escenaris daplicaci\u00f3 del material.<\/li>\n<\/ol>\n<p>[\/et_pb_text][et_pb_text admin_label=\u00bbText\u00bb _builder_version=\u00bb4.16&#8243; _module_preset=\u00bbdefault\u00bb text_font=\u00bbRoboto|300|||||||\u00bb text_font_size=\u00bb16px\u00bb text_line_height=\u00bb1.5em\u00bb header_3_font=\u00bbRoboto|700||on|||||\u00bb header_3_text_color=\u00bb#f96b04&#8243; width_last_edited=\u00bboff|desktop\u00bb locked=\u00bboff\u00bb global_colors_info=\u00bb{}\u00bb width__hover_enabled=\u00bboff|desktop\u00bb]<\/p>\n<p>A <a href=\"https:\/\/www.proacciona.es\/?lang=ca\">Proacciona<\/a> som experts en <strong>seguretat aliment\u00e0ria<\/strong>, i portem m\u00e9s de 15 anys ajudant empreses del sector dels envasos a certificar-se a\u00a0<a href=\"https:\/\/www.proacciona.es\/norma-brc\/brcgs-packaging\/?lang=ca\">BRC Packaging<\/a>, una norma d&#8217;alt nivell reconeguda internacionalment que us servir\u00e0 com a <strong>guia per produir envasos i materials d&#8217;envasament segurs,<\/strong> i millorar cont\u00ednuament la qualitat dels vostres productes.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Saps qu\u00e8 \u00e9s la migraci\u00f3 dels materials en contacte amb aliments? En aquest article t&#8217;expliquem com funciona el proc\u00e9s&#8230;<\/p>\n","protected":false},"author":10,"featured_media":217999,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1468,1915,1985,1987],"tags":[],"class_list":["post-218032","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-ca","category-brc-packaging-ca","category-inspeccions-de-sanitat","category-materials-en-contacte"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u25b7 Migracions dels Materials en contacte amb Aliments \u30102026\u3011<\/title>\n<meta name=\"description\" content=\"\u2611\ufe0f T&#039;expliquem tot all\u00f2 que has de saber sobre la migraci\u00f3 dels materials que estan en contacte amb aliments. \u27a8 Entra Ja!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.proacciona.es\/ca\/migracions-als-materials-en-contacte-amb-aliments\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 Migracions dels Materials en contacte amb Aliments \u30102026\u3011\" \/>\n<meta property=\"og:description\" content=\"\u2611\ufe0f T&#039;expliquem tot all\u00f2 que has de saber sobre la migraci\u00f3 dels materials que estan en contacte amb aliments. \u27a8 Entra Ja!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.proacciona.es\/ca\/migracions-als-materials-en-contacte-amb-aliments\/\" \/>\n<meta property=\"og:site_name\" content=\"Consultor\u00eda en seguridad alimentaria y APPCC - 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