{"id":6141,"date":"2024-08-05T16:39:00","date_gmt":"2024-08-05T14:39:00","guid":{"rendered":"http:\/\/www.phytocontrol.com\/?p=6141"},"modified":"2026-09-20T13:01:46","modified_gmt":"2026-09-20T11:01:46","slug":"que-es-un-metabolito","status":"publish","type":"post","link":"https:\/\/dev.phytocontrol.com\/es\/noticias\/que-es-un-metabolito\/","title":{"rendered":"\u00bfQu\u00e9 es un metabolito?"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.phytocontrol.com\/wp-content\/uploads\/2018\/03\/actu_metabolite_01.jpg\" alt=\"\u00bfQu\u00e9 es un metabolito?\"\/><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>Una soluci\u00f3n fitosanitaria est\u00e1 compuesta por una o varias sustancias activas, as\u00ed como por elementos inertes. Durante un tratamiento, algunas sustancias activas se degradan total o parcialmente en otra mol\u00e9cula (o varias) denominada &#8220;metabolito&#8221;.<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Los metabolitos se forman a ra\u00edz de reacciones qu\u00edmicas que se producen mediante el metabolismo de la planta, de las plagas o del suelo.<\/p>\n\n<p class=\"wp-block-paragraph\">El <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/FR\/TXT\/PDF\/?uri=CELEX:32005R0396&amp;from=FR\" target=\"_blank\">Reglamento (UE) 396\/2005<\/a> y sus modificaciones, que fijan los L\u00edmites M\u00e1ximos de Residuos (LMR), evoluciona constantemente e incorpora, cuando es necesario, metabolitos a las definiciones de residuos de plaguicidas. Por ejemplo, la definici\u00f3n de residuos del 2-fenilfenol solo se refer\u00eda inicialmente a esta mol\u00e9cula, pero tras la publicaci\u00f3n del <a href=\"https:\/\/eur-lex.europa.eu\/legal-content\/FR\/TXT\/PDF\/?uri=CELEX:32018R0078&amp;from=EN\" target=\"_blank\">Reglamento (UE) 2018\/78<\/a>, la definici\u00f3n de residuos abarca el &#8220;2-fenilfenol (suma de 2-fenilfenol y sus conjugados, expresada en 2-fenilfenol)&#8221;.<br\/>Seg\u00fan el LAB GTA 26 (Gu\u00eda t\u00e9cnica de acreditaci\u00f3n relativa a los residuos de plaguicidas elaborada por COFRAC), <strong>los laboratorios acreditados deben presentar los resultados de an\u00e1lisis conforme a las disposiciones normativas.<\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">El resultado anal\u00edtico debe reflejarse conforme a la definici\u00f3n de residuo normativa y, en el caso de definiciones de residuos complejas que impliquen varias mol\u00e9culas, cada una de ellas debe reportarse individualmente en el informe de an\u00e1lisis.<br\/>La Gu\u00eda SANTE\/12682\/2019, Guidance document on analytical quality control and method validation procedures for pesticide residues and analysis in food and feed, en vigor desde el 1 de enero de 2020, proporciona en su Anexo B ejemplos de definiciones de residuos que incorporan metabolitos y la forma en que se tienen en cuenta en el resultado del an\u00e1lisis.<br\/>A continuaci\u00f3n encontrar\u00e1 el enlace al documento SANTE\/11312\/2021 correspondiente:<br\/><a href=\"https:\/\/www.eurl-pesticides.eu\/docs\/public\/tmplt_article.asp?CntID=727&amp;LabID=100&amp;Lang=EN\" target=\"_blank\">Documento SANTE\/11312\/2021<\/a><\/p>\n\n<p class=\"wp-block-paragraph\">Como ejemplo, tomemos el caso de la definici\u00f3n de residuos actual de la flonicamida: &#8220;Flonicamida: suma de flonicamida, TFNA y TFNG, expresada en flonicamida&#8221;. A continuaci\u00f3n encontrar\u00e1 la descripci\u00f3n de la mol\u00e9cula original y de sus dos metabolitos regulados:<\/p>\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.phytocontrol.com\/wp-content\/uploads\/2018\/03\/actu_metabolite_02.jpg\" alt=\"\u00bfQu\u00e9 es un metabolito?\"\/><\/figure>\n\n<p class=\"wp-block-paragraph\">Nuestro Servicio de Normativa <a href=\"https:\/\/dev.phytocontrol.com\/es\/sobre-nosotros\/investigacion-y-desarrollo\/\">en colaboraci\u00f3n con nuestro Servicio de I+D<\/a>, se asegura de que cada modificaci\u00f3n de definici\u00f3n de residuo se integre en sus informes de an\u00e1lisis, respetando los plazos exigidos por la normativa europea.<br\/>El desarrollo de estos nuevos metabolitos representa una inversi\u00f3n tecnol\u00f3gica importante para Phytocontrol, as\u00ed como un desarrollo din\u00e1mico de nuestro servicio de I+D.<\/p>\n\n<p class=\"wp-block-paragraph\">Consulte nuestra p\u00e1gina dedicada a los <a href=\"https:\/\/www.phytocontrol.com\/residus-de-pesticides\/\">an\u00e1lisis de residuos de plaguicidas<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una soluci\u00f3n fitosanitaria est\u00e1 compuesta por una o varias sustancias activas, as\u00ed como por elementos&hellip;<\/p>\n","protected":false},"author":2,"featured_media":5284,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[192],"tags":[],"class_list":["post-6141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfQu\u00e9 es un metabolito de plaguicida? - Phytocontrol<\/title>\n<meta name=\"description\" content=\"Los metabolitos son mol\u00e9culas derivadas de la degradaci\u00f3n de sustancias activas fitosanitarias. 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