{"id":198683,"date":"2026-02-17T12:28:18","date_gmt":"2026-02-17T11:28:18","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/desarrollan-envases-biodegradables-a-partir-de-harinas-y-algas\/"},"modified":"2026-02-17T12:28:18","modified_gmt":"2026-02-17T11:28:18","slug":"desarrollan-envases-biodegradables-a-partir-de-harinas-y-algas","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/desarrollan-envases-biodegradables-a-partir-de-harinas-y-algas\/","title":{"rendered":"Desarrollan envases biodegradables a partir de harinas y algas"},"content":{"rendered":"<p>Un trabajo del Instituto de Agroqu\u00edmica y Tecnolog\u00eda de Alimentos (IATA), del Consejo Superior de Investigaciones Cient\u00edficas (CSIC), ha desarrollado materiales de envasado dise\u00f1ados para descomponerse en el medio natural.<\/p>\n<p>Estos films biodegradables se han obtenido al combinar harinas de ma\u00edz pigmentadas y del cereal sorgo (Sorghum bicolor) con biomasa marina procedente del alga roja Gelidium corneum.<\/p>\n<p>Los resultados, publicados en <a href=\"https:\/\/doi.org\/10.1016\/j.foodhyd.2026.112464\" target=\"_blank\">Food Hydrocolloids<\/a>, no solo suponen un enfoque innovador para poner en valor residuos procedentes de la agricultura y la biomasa marina, sino que la combinaci\u00f3n de ambos mejora la rigidez y reduce la sensibilidad a la humedad de los nuevos envases.<\/p>\n<p>Introduce un enfoque novedoso al emplear harinas de grano entero pigmentadas junto con biomasa marina sin refinar para ajustar las propiedades de los nuevos envases<\/p>\n<p>La investigaci\u00f3n introduce un enfoque novedoso al emplear harinas de grano entero pigmentadas junto con biomasa marina sin refinar para ajustar las propiedades de los nuevos envases.<\/p>\n<p>Las harinas utilizadas son ricas en almid\u00f3n, que interact\u00faa con la celulosa de las algas para determinar la estructura interna de los biopl\u00e1sticos; y en compuestos naturales como los polifenoles bioactivos, que contribuyen a definir el color, la luminosidad y la protecci\u00f3n frente a la luz ultravioleta (UV) de los films.<\/p>\n<p>La combinaci\u00f3n de los subproductos agr\u00edcolas y marinos se ha realizado mediante melt-compounding, una t\u00e9cnica industrial de procesamiento de pol\u00edmeros. Esta consiste en aplicar calor y energ\u00eda mec\u00e1nica para que el almid\u00f3n de las harinas y la celulosa de las algas se combine a nivel molecular hasta formar una mezcla homog\u00e9nea. Posteriormente, mediante moldeo por comprensi\u00f3n, se crea la forma final del envase aplicando calor y presi\u00f3n.\u00a0<\/p>\n<p><a><\/a><\/p>\n<h2>Ajustar la funcionalidad\u00a0<\/h2>\n<p>El equipo investigador elabor\u00f3 ocho formulaciones distintas mediante la t\u00e9cnica melt-compounding, con una proporci\u00f3n 40:60 de harina de cereal y residuo de algas, respectivamente.<\/p>\n<p>Tras comparar los resultados con preparaciones previas sin\u00a0biomasa marina, las investigadoras comprobaron que su incorporaci\u00f3n genera una estructura interna m\u00e1s heterog\u00e9nea\u00a0<\/p>\n<p>Tras comparar los resultados con preparaciones previas sin biomasa marina, las investigadoras comprobaron que su incorporaci\u00f3n genera una estructura interna m\u00e1s heterog\u00e9nea y modifica las propiedades \u00f3pticas de los films: disminuye su luminosidad y blancura e incrementa tonalidades amarillas y verdosas debido a las interacciones entre los pigmentos naturales.<\/p>\n<p>Adem\u00e1s, la presencia del residuo marino aumenta la resistencia mec\u00e1nica y la rigidez del material y modifica propiedades relacionadas con el agua, como la permeabilidad al vapor, la absorci\u00f3n y la capacidad del material para atraer y retener mol\u00e9culas de agua en funci\u00f3n de los compuestos polifen\u00f3licos presentes en la biomasa inicial.<\/p>\n<p>Durante el almacenamiento, estos efectos se acent\u00faan, en parte debido a la retrogradaci\u00f3n del almid\u00f3n, proceso f\u00edsico-qu\u00edmico mediante el cual las mol\u00e9culas se reorganizan formando estructuras m\u00e1s firmes.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.agenciasinc.es\/bundles\/app\/images\/quotebefore.png\" \/><\/p>\n<p>Este enfoque aprovecha las interacciones naturales entre pigmentos, polisac\u00e1ridos y prote\u00ednas para ajustar la funcionalidad de los films sin recurrir a modificaciones qu\u00edmicas<\/p>\n<p>Amparo L\u00f3pez, investigadora del IATA<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.agenciasinc.es\/bundles\/app\/images\/quoteafter.png\" \/><\/p>\n<p>La investigaci\u00f3n liderada por el IATA-CSIC es el primer estudio que emplea harinas de grano entero pigmentadas y biomasa marina sin refinar, de forma combinada y complementaria.<\/p>\n<p>\u201cEste enfoque aprovecha las interacciones naturales entre pigmentos, polisac\u00e1ridos y prote\u00ednas para ajustar la funcionalidad de los films sin recurrir a modificaciones qu\u00edmicas, y utiliza residuos marinos infravalorados como refuerzos sostenibles y de bajo coste que mejoran la resistencia del material, modulan la sensibilidad al agua y proporcionan propiedades de protecci\u00f3n frente a la luz ultravioleta\u201d, explica Amparo L\u00f3pez, investigadora del IATA que lidera el estudio.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.agenciasinc.es\/bundles\/app\/images\/quotebefore.png\" \/><\/p>\n<p>Las diferentes composiciones de cada harina y la incorporaci\u00f3n del residuo marino influyen en varias propiedades de los films reci\u00e9n elaborados y almacenados<\/p>\n<p>Mar\u00eda Jos\u00e9 Fabra, del IATA-CSIC<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.agenciasinc.es\/bundles\/app\/images\/quoteafter.png\" \/><\/p>\n<p>En la misma l\u00ednea, Mar\u00eda Jos\u00e9 Fabra, coautora del art\u00edculo e integrante del IATA-CSIC sostiene que esta estrategia de valorizaci\u00f3n \u201cpromueve una bioeconom\u00eda circular e introduce un nuevo paradigma en el dise\u00f1o de films biopolim\u00e9ricos funcionales, basado en el uso de materias primas alternativas y residuos marinos m\u00ednimamente procesados y ricos en pigmentos\u201d.<\/p>\n<p>\u201cLas diferentes composiciones de cada harina y la incorporaci\u00f3n del residuo marino influyen en varias propiedades de los films reci\u00e9n elaborados y almacenados, con implicaciones para sus posibles aplicaciones en el envasado de alimentos\u201d, a\u00f1ade el equipo de trabajo.<\/p>\n<p><a><\/a><\/p>\n<h2>Mejor funcionalidad de los compuestos<\/h2>\n<p>El estudio evidencia que la mejora de las propiedades no se debe \u00fanicamente a un refuerzo f\u00edsico, sino tambi\u00e9n a una compatibilidad a nivel molecular entre los almidones de cereal, la celulosa presente en la biomasa marina y los compuestos fen\u00f3licos nativos de las harinas.<\/p>\n<p>La integraci\u00f3n del residuo procedente de las algas influye de manera significativa en la organizaci\u00f3n molecular de las matrices basadas en almid\u00f3n, favoreciendo la formaci\u00f3n de redes cohesionadas.<\/p>\n<p>La integraci\u00f3n del residuo procedente de las algas influye de manera significativa en la organizaci\u00f3n molecular de las matrices basadas en almid\u00f3n<\/p>\n<p>Las investigadoras se\u00f1alan que \u201cestas interacciones sin\u00e9rgicas explican el aumento observado en la rigidez y la resistencia a la tracci\u00f3n, la\u00a0reducci\u00f3n en la elongaci\u00f3n y el cambio en la polaridad superficial\u201d.<\/p>\n<p>\u201cNuestros resultados demuestran una v\u00eda qu\u00edmicamente sin\u00e9rgica para valorizar residuos agr\u00edcolas y marinos en materiales de envasado biodegradables, mejorando tanto el rendimiento del material como su sostenibilidad dentro de la bioeconom\u00eda circular\u201d, concluyen.<\/p>\n<p>Referencia:<\/p>\n<p>Hern\u00e1ndez-Garc\u00eda, E. et al. \u00abExploring composites of alternative flour sources and marine biomass residues for sustainable degradable food packaging films\u00bb.\u00a0<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0268005X26000469\" target=\"_blank\">Food Hydrocolloids<\/a>.\u00a0\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>Un trabajo del Instituto de Agroqu\u00edmica y Tecnolog\u00eda de Alimentos (IATA), del Consejo Superior de Investigaciones Cient\u00edficas (CSIC), ha desarrollado materiales de envasado dise\u00f1ados para descomponerse en el medio natural. Estos films biodegradables se han obtenido al combinar harinas de ma\u00edz pigmentadas y del cereal sorgo (Sorghum bicolor) con biomasa marina procedente del alga roja [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-198683","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.9 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Desarrollan envases biodegradables a partir de harinas y algas - bip4ex<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helloproject.es\/vigilancia\/desarrollan-envases-biodegradables-a-partir-de-harinas-y-algas\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Desarrollan envases biodegradables a partir de harinas y algas\" \/>\n<meta property=\"og:description\" content=\"Un trabajo del Instituto de Agroqu\u00edmica y Tecnolog\u00eda de Alimentos (IATA), del Consejo Superior de Investigaciones Cient\u00edficas (CSIC), ha desarrollado materiales de envasado dise\u00f1ados para descomponerse en el medio natural. 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