{"id":70150,"date":"2026-02-09T10:43:16","date_gmt":"2026-02-09T10:43:16","guid":{"rendered":"https:\/\/ainia.endesarrollo.pro\/plant-by-products-with-the-highest-potential-for-developing-functional-ingredients\/"},"modified":"2026-05-26T18:15:27","modified_gmt":"2026-05-26T18:15:27","slug":"plant-by-products-with-the-highest-potential-for-developing-functional-ingredients","status":"publish","type":"post","link":"https:\/\/ainia.endesarrollo.pro\/en\/news\/technological-innovation\/plant-by-products-with-the-highest-potential-for-developing-functional-ingredients\/","title":{"rendered":"Plant by-products with the highest potential for developing functional ingredients"},"content":{"rendered":"\nSustainable production models are increasingly spotlighting an undervalued resource<strong>: plant-based by-products<\/strong>.\n\n<article><header>Fruit peels, seeds, leaves, stems and oilseed press cakes generated during juicing, pressing or sorting still retain a significant fraction of <strong>bioactive compounds, natural pigments, residual aromas and high-value lipids.<\/strong> Far from being waste, these by-products are a strategic feedstock for<a href=\"https:\/\/www.ainia.com\/en\/technological-services\/industrial-production-of-food-ingredients\/\"><strong> developing functional ingredients.<\/strong><\/a><nav aria-label=\"On this page\"><strong>On this page:<\/strong>\n<ol>\n \t<li><strong><a href=\"#examples-by-products\">Examples of high-impact sensory and functional by-products<\/a><\/strong>\n<ol>\n \t<li><strong><a href=\"#citrus-peels\">Citrus peels<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#nut-press-cakes\">Almond, walnut or hazelnut press cakes<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#herb-residues\">Rosemary, thyme or sage residues<\/a><\/strong><\/li>\n<\/ol>\n<\/li>\n \t<li><strong><a href=\"#valuable-compounds\">Which valuable compounds are concentrated in plant by-products?<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#benefits\">Benefits of valorising plant by-products<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#replace-solvents\">How to replace solvents when obtaining bioactive and aromatic fractions<\/a><\/strong><\/li>\n \t<li><strong><a href=\"#sc-co2\">What is supercritical CO? used for in the valorisation of plant by-products?<\/a><\/strong><\/li>\n<\/ol>\n<\/nav><\/header><!-- H2 -->\n\n<section id=\"examples-by-products\" aria-labelledby=\"h2-examples-by-products\">\n<h2 id=\"h2-examples-by-products\">Examples of high-impact sensory and functional by-products<\/h2>\nSeveral <strong>agri-food by-products<\/strong> offer strong valorisation potential:\n\n<!-- H3 -->\n\n<section id=\"citrus-peels\" aria-labelledby=\"h3-citrus-peels\">\n<h3 id=\"h3-citrus-peels\"><strong>Citrus peels<\/strong><\/h3>\nRich in essential oils, flavonoids and carotenoids, citrus peel by-products can be used to obtain aromatic extracts or antioxidant fractions.\n\n<\/section><!-- H3 -->\n\n<section id=\"nut-press-cakes\" aria-labelledby=\"h3-nut-press-cakes\">\n<h3 id=\"h3-nut-press-cakes\"><strong>Almond, walnut or hazelnut press cakes<\/strong><\/h3>\nThese by-products contain valuable lipid and phenolic fractions, making them an excellent base for developing protein ingredients, functional oils or natural antioxidants.\n\n<\/section><!-- H3 -->\n\n<section id=\"herb-residues\" aria-labelledby=\"h3-herb-residues\">\n<h3 id=\"h3-herb-residues\"><strong>Rosemary, thyme or sage residues<\/strong><\/h3>\nThese aromatic plant by-products are used to obtain antioxidant and antimicrobial extracts of interest for natural preservation or cleaner formulation strategies.\n\n<\/section><\/section><!-- H2 -->\n\n<section id=\"valuable-compounds\" aria-labelledby=\"h2-valuable-compounds\">\n<h2 id=\"h2-valuable-compounds\">Which valuable compounds are concentrated in plant by-products?<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\" scope=\"col\">Compound<\/th>\n<th style=\"text-align: left;\" scope=\"col\">Where it is concentrated<\/th>\n<th style=\"text-align: left;\" scope=\"col\">Functional value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Polyphenols<\/td>\n<td>Fruit peels, seeds and oilseed press cakes<\/td>\n<td>High antioxidant potential<\/td>\n<\/tr>\n<tr>\n<td>Carotenoids<\/td>\n<td>Outer layers of fruits and vegetables (carrot, citrus, pumpkin)<\/td>\n<td>Intense, stable colours<\/td>\n<\/tr>\n<tr>\n<td>Essential oils<\/td>\n<td>Citrus peels and aromatic plant residues<\/td>\n<td>Rich in limonene, linalool or thymol<\/td>\n<\/tr>\n<tr>\n<td>Phenolic compounds<\/td>\n<td>Fruit peels, winery residues, olive sector residues, nut press cakes\u0085<\/td>\n<td>Bioactive fraction with industrial interest<\/td>\n<\/tr>\n<tr>\n<td>Natural pigments<\/td>\n<td>Peels, leaves and stems<\/td>\n<td>Anthocyanins or chlorophylls<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Aromatic and volatile fractions<\/td>\n<td style=\"text-align: left;\">Leaves and stems of rosemary, thyme, sage and other aromatic species<\/td>\n<td style=\"text-align: left;\">Antioxidant and antimicrobial activity<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section><!-- H2 -->\n\n<section id=\"benefits\" aria-labelledby=\"h2-benefits\">\n<h2 id=\"h2-benefits\">Benefits of valorising plant by-products<\/h2>\nValorising plant by-products delivers benefits on three levels:\n<ul>\n \t<li><strong>Waste reduction<\/strong>, lowering environmental impact and the costs associated with by-product management.<\/li>\n \t<li><strong>Raw material savings<\/strong>, by using resources already present within the processing plant.<\/li>\n \t<li><strong>New revenue streams<\/strong>, turning low-value side streams into ingredients with rising demand in areas such as healthy foods, beverages, plant-based, nutraceuticals or spices.<\/li>\n<\/ul>\n<\/section><!-- H2 -->\n\n<section id=\"replace-solvents\" aria-labelledby=\"h2-replace-solvents\">\n<h2 id=\"h2-replace-solvents\">How to replace solvents when obtaining bioactive and aromatic fractions<\/h2>\nMany conventional processes rely on organic solvents to recover aromatic or bioactive fractions. While effective, they generate residues, require removal steps and may affect sensitive compounds. Moving towards cleaner processes means prioritising<a href=\"https:\/\/www.ainia.com\/en\/technological-services\/industrial-production\/altex\/co2-supercritical-extraction-and-separation\/\"><strong> technologies based on natural fluids<\/strong><\/a>, such as supercritical CO?.\n\nBecause it operates without solvents, helps preserve volatile compounds and delivers purer fractions, <strong>supercritical CO?<\/strong> is a key tool for developing more sustainable, stable and technically consistent ingredients from plant <strong>by-products<\/strong>. The result is a cleaner, more stable extract aligned with market expectations for naturalness.\n\n<\/section><!-- H2 -->\n\n<section id=\"sc-co2\" aria-labelledby=\"h2-sc-co2\">\n<h2 id=\"h2-sc-co2\">What is supercritical CO? used for in the valorisation of plant by-products?<\/h2>\nSupercritical CO? supports a<strong> wide range of technical applications<\/strong>:\n<ul>\n \t<li>Obtaining essential oils and aromatic extracts from citrus peels, aromatic herbs, spices or nuts.<\/li>\n \t<li>Producing antioxidant extracts and natural pigments with high sensory stability.<\/li>\n \t<li>Defatting protein-rich ingredients, reducing lipid content in products such as cocoa, seeds or cereals.<\/li>\n \t<li>Removing unwanted compounds such as caffeine in coffee and tea, residual odours, pesticide traces or oxidation products.<\/li>\n \t<li>Reducing microbial load in heat-sensitive ingredients while preserving functional activity.<\/li>\n<\/ul>\n<\/section><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-large wp-image-185209\" src=\"https:\/\/ainia.endesarrollo.pro\/wp-content\/uploads\/DSC04677-1024x576-1.jpg\" alt=\"Avances biotecnol\u00f3gicos para transformar residuos vegetales en compuestos contra la inflamaci\u00f3n colon\" width=\"1024\" height=\"576\" \/>\n\n<\/article><em><strong><span class=\"TextRun SCXW74466630 BCX8\" lang=\"ES-ES\" xml_lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><\/span><span class=\"TextRun SCXW74466630 BCX8\" lang=\"ES-ES\" xml_lang=\"ES-ES\" data-contrast=\"auto\"><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">Funded<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">by<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">the<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">aid<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">program<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">for<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">hiring<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">young<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">professionals<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">specialized<\/span><span class=\"NormalTextRun SCXW74466630 BCX8\">\u00a0in\u00a0<\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW74466630 BCX8\">internationalization<\/span><\/span><\/strong><\/em>\n\n<img decoding=\"async\" class=\"alignnone wp-image-191112 size-large\" src=\"https:\/\/ainia.endesarrollo.pro\/wp-content\/uploads\/Imagen1-7-1024x109.png\" alt=\"\" width=\"1024\" height=\"109\" \/>\n","protected":false},"excerpt":{"rendered":"<p>Sustainable production models are increasingly spotlighting an undervalued resource: plant-based by-products. Fruit peels, seeds, leaves, stems and oilseed press cakes generated during juicing, pressing or sorting still retain a significant fraction of bioactive compounds, natural pigments, residual aromas and high-value lipids. Far from being waste, these by-products are a strategic feedstock for developing functional ingredients. [&hellip;]<\/p>\n","protected":false},"author":403,"featured_media":70151,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[79,87],"tags":[],"tipo-documento":[],"class_list":["post-70150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-technological-innovation"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Valorising plant by-products to obtain functional ingredients<\/title>\n<meta name=\"description\" content=\"Peels, seeds, leaves or oilseed press cakes: which compounds they concentrate, the benefits of plant by-products, and supercritical CO? applications.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Valorising plant by-products to obtain functional ingredients\" \/>\n<meta property=\"og:description\" content=\"Peels, seeds, leaves or oilseed press cakes: which compounds they concentrate, the benefits of plant by-products, and supercritical CO? 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