{"id":199,"date":"2009-05-29T23:45:00","date_gmt":"2009-05-29T21:45:00","guid":{"rendered":"https:\/\/www.ozono21.com\/blog\/199\/sin-categoria\/un-catalizador-basado-en-oro-obtiene-de-forma-limpia-colorantes-para-nuestros-alimentos\/"},"modified":"2026-01-29T20:40:55","modified_gmt":"2026-01-29T18:40:55","slug":"catalizador-en-oro-colorantes-alimentos","status":"publish","type":"post","link":"https:\/\/www.ozono21.com\/blog\/toxinas\/catalizador-en-oro-colorantes-alimentos\/","title":{"rendered":"Un catalizador basado en oro obtiene de forma limpia colorantes para nuestros alimentos"},"content":{"rendered":"<p style=\"text-align: justify;\"><big><strong><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5341381351541799426\" style=\"float: right; margin: 10px 0px 10px 10px; width: 303px; cursor: hand; height: 101px;\" src=\"https:\/\/4.bp.blogspot.com\/_IBPlVqONz58\/SiBmChSLegI\/AAAAAAAAA6w\/YWJlA5g9P8w\/s320\/alimentos_5.jpg\" border=\"0\" alt=\"catalizador\" \/><a title=\"Ozono21 ALIMENTOS y COCINA\"  href=\"https:\/\/www.ozono21.com\/sectores-pagina\/domesticos\/alimentos-cocina\/30\/\" target=\"_blank\" rel=\"noopener noreferrer\">Catalizador basado en oro obtiene de forma limpia colorantes para nuestros alimentos. <\/a><\/strong><\/big><\/p>\n<p style=\"text-align: justify;\">\n<h2 style=\"text-align: justify;\"><strong><a title=\"Ozono21 ALIMENTOS y COCINA\"  href=\"https:\/\/www.ozono21.com\/sectores-pagina\/domesticos\/alimentos-cocina\/30\/\" target=\"_blank\" rel=\"noopener noreferrer\">Estas mol\u00e9culas tienen aplicaci\u00f3n como colorantes, aditivos alimentarios y productos farmac\u00e9uticos. <\/a><\/strong><\/h2>\n<\/p>\n<p style=\"text-align: justify;\">En el trabajo, que aparece publicado en el \u00faltimo n\u00famero de la revista Science, los cient\u00edficos se han enfrentado a un problema qu\u00edmico que tiene inter\u00e9s tanto desde el punto de vista de la investigaci\u00f3n b\u00e1sica como por sus <strong>implicaciones industriales y sociales:<\/strong> obtener azocompuestos de manera respetuosa con el medio ambiente.<\/p>\n<p>Fuente: Ambientum.com (15\/12\/2008)<\/p>\n<p style=\"text-align: justify;\"><strong>Investigando en tecnolog\u00edas limpias<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Como explica el investigador del CSIC Avelino Corma: <\/strong>\u201cHasta el momento, estas mol\u00e9culas se obten\u00edan por una v\u00eda no catal\u00edtica que requer\u00eda la utilizaci\u00f3n de compuestos de plomo o nitritos. De esta manera podr\u00edamos decir que se generaba un kilo de subproducto por cada kilo de producto deseado. Con este nuevo catalizador que utiliza como reactivo oxidante el aire se genera \u00fanicamente agua como subproducto\u201d.<\/p>\n<p style=\"text-align: justify;\"><strong>Q\u00faimica sostenible<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Dentro de lo que se considera como qu\u00edmica sostenible se tiende a la intensificaci\u00f3n de procesos con el fin de reducir el n\u00famero de etapas necesarias para obtener los productos deseados.<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Para Corma: <\/strong>\u201cEs frecuente que la s\u00edntesis de un producto final requiera la s\u00edntesis de varios productos intermedios. En este caso, la fabricaci\u00f3n de cada producto intermedio requerir\u00eda adem\u00e1s de etapas posteriores de separaci\u00f3n y purificaci\u00f3n con los consiguientes costes a\u00f1adidos de inversi\u00f3n y consumo energ\u00e9tico\u201d.<\/p>\n<p style=\"text-align: justify;\">\u201cParece entonces evidente que si se consigue un buen catalizador para llevar a cabo una reacci\u00f3n, se minimiza el consumo energ\u00e9tico del proceso, se utilizan mejor las materias primas o reactivos, y no se obtienen subproductos de reacci\u00f3n que requieren ser eliminados o transformados en otros. Se trata de no formar subproductos para evitar tener que eliminarlos\u201d, concluye el investigador del CSIC.<\/p>\n<p style=\"text-align: justify;\">\n<h2 style=\"text-align: justify;\"><strong><a title=\"Ozono21 ALIMENTOS y COCINA\"  href=\"https:\/\/www.ozono21.com\/sectores-pagina\/domesticos\/alimentos-cocina\/30\/\" target=\"_blank\" rel=\"noopener noreferrer\">Investigadores del Instituto de Tecnolog\u00eda Qu\u00edmica, centro mixto del Consejo Superior de Investigaciones Cient\u00edficas (CSIC) y la Universidad Polit\u00e9cnica de Valencia, han patentado un nuevo catalizador basado en nanoparticulas de oro que es capaz de llevar a cabo la reacci\u00f3n para la formaci\u00f3n de azocompuestos arom\u00e1ticos sin generar residuos t\u00f3xicos.<\/a><\/strong><\/h2>\n<\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td bgcolor=\"#3b7cff\" height=\"25\" width=\"600\" align=\"center\"><strong><a title=\"Actualidad de OZONO\"     href=\"https:\/\/www.ozono21.com\/actualidad\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Noticias-Relacionadas.png\" alt=\"Noticias Relacionadas\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><big><\/p>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"150\" height=\"150\" align=\"center\"><a title=\"Catalizador y BENEFICIOS\" href=\"https:\/\/www.ozono21.com\/blog\/?s=catalizador+\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" id=\"BLOGGER_PHOTO_ID_5341381351541799426\" style=\"float: left; margin: 15px 20px 10px 30px; width: 140px; cursor: hand; height: 130px;\" src=\"https:\/\/4.bp.blogspot.com\/_IBPlVqONz58\/SiBmChSLegI\/AAAAAAAAA6w\/YWJlA5g9P8w\/s320\/alimentos_5.jpg\"  alt=\"Un catalizador basado en oro obtiene de forma limpia colorantes para nuestros alimentos\"<\/a><\/td>\n<td width=\"300\" height=\"150\" style=\"text-align: left; vertical-align: middle;\"><strong><a title=\"Catalizador y BENEFICIOS\" href=\"https:\/\/www.ozono21.com\/blog\/?s=catalizador+\" target=\"_blank\" rel=\"noopener noreferrer\">Catalizador y BENEFICIOS<\/a><\/strong><\/li>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><\/big><\/p>\n<table border=\"3\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td bgcolor=\"#3b7cff\" height=\"25\" width=\"600\" align=\"center\"><strong><a title=\"Videos YouTube\" target=\"_blank\" href=\"https:\/\/www.youtube.com\/user\/ozono21\/videos?sort=p&amp;view=0&amp;flow=grid\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2014\/06\/Videos-Youtube.png\" alt=\"Videos Youtube\" width=\"600\" height=\"25\" border=\"0\" \/><\/a><\/strong>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" width=\"853\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/-TROHCHp-F8\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_199\" class=\"pvc_stats total_only  \" data-element-id=\"199\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Catalizador basado en oro obtiene de forma limpia colorantes para nuestros alimentos. Estas mol\u00e9culas tienen aplicaci\u00f3n como colorantes, aditivos alimentarios y productos farmac\u00e9uticos. En el trabajo, que aparece publicado en el \u00faltimo n\u00famero de la revista Science, los cient\u00edficos se &hellip; <a href=\"https:\/\/www.ozono21.com\/blog\/toxinas\/catalizador-en-oro-colorantes-alimentos\/\">Sigue leyendo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_199\" class=\"pvc_stats total_only  \" data-element-id=\"199\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":5215092,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9,5,11,13,7,4],"tags":[24,74,21,32],"class_list":["post-199","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alimentos","category-bacterias","category-higiene","category-medioambiente","category-salud","category-toxinas","tag-alimentos-2","tag-medioambiente","tag-salud-2","tag-videos-salud-2"],"a3_pvc":{"activated":true,"total_views":4014,"today_views":0},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Catalizador en oro colorantes alimentos<\/title>\n<meta name=\"description\" content=\"Catalizador basado en oro forma limpia de colorantes en nuestros alimentos. 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