{"id":14876,"date":"2019-11-10T10:05:00","date_gmt":"2019-11-10T09:05:00","guid":{"rendered":"http:\/\/exgdete.cluster028.hosting.ovh.net\/?p=14876"},"modified":"2026-03-13T14:42:06","modified_gmt":"2026-03-13T13:42:06","slug":"metodo-innovador-sobre-los-sulfitos","status":"publish","type":"post","link":"https:\/\/stagingphytocontrol.shdesign.fr\/es\/noticias\/metodo-innovador-sobre-los-sulfitos\/","title":{"rendered":"M\u00e9todo innovador sobre los sulfitos"},"content":{"rendered":"\n\n\n<p><b>Con el fin de reforzar su experiencia en el campo del an\u00e1lisis de <a href=\"https:\/\/stagingphytocontrol.shdesign.fr\/es\/nuestros-analisis\/alergenos\/\">al\u00e9rgenos<\/a>, Phytocontrol ha finalizado un innovador desarrollo de I+D sobre la determinaci\u00f3n de sulfitos.<\/b><\/p>\n\n\n\n<p>Esta soluci\u00f3n, que se diferencia de los m\u00e9todos reconocidos existentes como la colorimetr\u00eda y el m\u00e9todo de Monier Williams, se basa en el siguiente principio: los sulfitos se extraen de las muestras con una soluci\u00f3n de formaldeh\u00eddo en agua. Los extractos son luego purificados antes de ser analizados por LC-MS\/MS.<\/p>\n\n\n\n<p>Los sulfitos son frecuentemente usados como aditivos en una amplia gama de alimentos y bebidas para inhibir el crecimiento bacteriano, controlar las reacciones enzim\u00e1ticas y prevenir la oxidaci\u00f3n.<\/p>\n\n\n\n<p>La ingesti\u00f3n de alimentos con alto contenido en sulfitos puede causar reacciones asm\u00e1ticas e intolerancias alimenticias. La ingesta diaria aceptable de la OMS es de 0,7 mg\/kg de peso corporal.<\/p>\n\n\n\n<p>El m\u00e9todo optimizado de Monier-Williams, que es el m\u00e9todo de referencia com\u00fanmente utilizado, permite la determinaci\u00f3n de los sulfitos totales en el alimento. Este m\u00e9todo se basa en la destilaci\u00f3n \u00e1cida del SO2 seguida de la titulaci\u00f3n del \u00e1cido sulf\u00farico generado con sosa. Sin embargo, este m\u00e9todo es conocido por sus efectos de sobredosis y a veces de falsos positivos debido a la co-destilaci\u00f3n de los compuestos vol\u00e1tiles que interfieren en el momento de la valoraci\u00f3n final.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La soluci\u00f3n de Phytocontrol.<\/h3>\n\n\n\n<p>Estudios* habiendo demostrado que el m\u00e9todo de Monier Williams podr\u00eda generar interferencias ligadas a la presencia de \u00e1cido ac\u00e9tico y propi\u00f3nico como en el vinagre u otros productos encurtidos y curados, Phytocontrol ha desarrollado un m\u00e9todo m\u00e1s espec\u00edfico basado en una derivaci\u00f3n de sulfitos con formaldeh\u00eddo y dosificaci\u00f3n por LC-MS\/MS.<\/p>\n\n\n\n<p>.<\/p>\n\n\n\n<p>El laboratorio puede as\u00ed determinar la presencia de SO<sub>2<\/sub> por encima de 10 mg\/kg sin riesgo de interferencia relacionada con la matriz. Este an\u00e1lisis innovador y acreditado permite buscar y cuantificar sulfitos en varios productos de origen vegetal.<\/p>\n\n\n\n<p>Para toda la informaci\u00f3n t\u00e9cnica, de precios y\/o normativa, por favor no dude en <a href=\"https:\/\/stagingphytocontrol.shdesign.fr\/es\/contactos-accesos\/\">contactarnos<\/a>.<\/p>\n\n\n\n<p><i>*Comparison of four different methods for the determination of sulfites in foods marketed in South Korea &#8211; Ho-Soo Lima, Sung-Kwan Parka, So-Hee Kima, Sung-Bong Songa, Su-Jin Janga &amp; Meehye Kima a Food Additives and Packages Division, Ministry of Food and Drug Safety, Osong-eup,Chungcheongbuk-do, Korea Published online: 16 Jan 2014.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Con el fin de reforzar su experiencia en el campo del an\u00e1lisis de al\u00e9rgenos, Phytocontrol&hellip;<\/p>\n","protected":false},"author":8,"featured_media":13550,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[192],"tags":[],"class_list":["post-14876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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