{"id":2794978,"date":"2026-07-28T13:25:25","date_gmt":"2026-07-28T12:25:25","guid":{"rendered":"https:\/\/www.lactalisingredients.com\/?post_type=blog-post&#038;p=2794978"},"modified":"2026-07-28T13:25:25","modified_gmt":"2026-07-28T12:25:25","slug":"leconomie-circulaire-au-service-de-la-nutrition-valoriser-le-lactoserum-en-ingredients-de-haute-performance","status":"publish","type":"blog-post","link":"https:\/\/www.lactalisingredients.com\/fr\/news\/blog\/leconomie-circulaire-au-service-de-la-nutrition-valoriser-le-lactoserum-en-ingredients-de-haute-performance\/","title":{"rendered":"L\u2019\u00e9conomie circulaire au service de la nutrition : valoriser le lactos\u00e9rum en ingr\u00e9dients de haute performance"},"content":{"rendered":"<p>Pendant des d\u00e9cennies, le lactos\u00e9rum (ou petit-lait) a \u00e9t\u00e9 per\u00e7u comme un simple r\u00e9sidu aqueux de la fabrication fromag\u00e8re. Aujourd&#8217;hui, ce &#8220;coproduit&#8221; est au centre d&#8217;une r\u00e9volution industrielle et nutritionnelle. Dans un monde o\u00f9 la demande en prot\u00e9ines de haute qualit\u00e9 explose, l\u2019\u00e9conomie circulaire transforme ce qui \u00e9tait autrefois jet\u00e9 en une ressource strat\u00e9gique. Chez Lactalis Ingredients, cette transition n&#8217;est pas seulement un imp\u00e9ratif \u00e9cologique, c&#8217;est un moteur d&#8217;innovation technologique.<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\"><strong>Comprendre l&#8217;\u00e9conomie circulaire dans le secteur laitier<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>L&#8217;\u00e9conomie circulaire vise \u00e0 r\u00e9duire au minimum les d\u00e9chets et \u00e0 tirer le meilleur parti des ressources. Dans l&#8217;industrie laiti\u00e8re, cela passe par la r\u00e9utilisation des co-produits afin de r\u00e9duire l&#8217;impact environnemental et de cr\u00e9er de la valeur ajout\u00e9e. Le lactos\u00e9rum, un co-produit de la fabrication du fromage, est riche en prot\u00e9ines et en nutriments, ce qui en fait un candidat id\u00e9al pour cette approche durable.<\/p>\n<p>&nbsp;<\/p>\n<h4><strong>Le potentiel des co-produits du lactos\u00e9rum<\/strong><\/h4>\n<p>Le lactos\u00e9rum n&#8217;est pas seulement un co-produit ; c&#8217;est une v\u00e9ritable mine de bienfaits nutritionnels.<\/p>\n<ul class=\"ul\">\n<li><strong>Prot\u00e9ines :<\/strong> elles sont essentielles \u00e0 la construction musculaire et \u00e0 la r\u00e9cup\u00e9ration.<\/li>\n<li><strong>Lactose :<\/strong> il apporte de l&#8217;\u00e9nergie et favorise la sant\u00e9 digestive.<\/li>\n<li><strong>Min\u00e9raux :<\/strong> ils contribuent \u00e0 la sant\u00e9 osseuse et au bien-\u00eatre g\u00e9n\u00e9ral.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3095143 size-full\" src=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/Economie-circulaire-2026.jpg\" alt=\"Economie circulaire\" width=\"525\" height=\"309\" srcset=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/Economie-circulaire-2026.jpg 525w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/Economie-circulaire-2026-300x177.jpg 300w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/Economie-circulaire-2026-24x14.jpg 24w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/Economie-circulaire-2026-36x21.jpg 36w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/Economie-circulaire-2026-48x28.jpg 48w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>En transformant le lactos\u00e9rum, nous pouvons extraire ces composants, transformant ce qui pourrait \u00eatre un d\u00e9chet en ingr\u00e9dients pr\u00e9cieux pour les secteurs de l&#8217;alimentation et de la nutrition.<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\"><strong>Une transformation structurelle de l&#8217;\u00e9conomie laiti\u00e8re mondiale<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>Comme le souligne une analyse r\u00e9cente de\u00a0<em>Dairy Reporter<\/em>\u00a0(2026), le lactos\u00e9rum ne d\u00e9finit plus sa valeur par rapport au fromage, mais comme une cat\u00e9gorie \u00e0 part enti\u00e8re qui redessine l\u2019\u00e9conomie laiti\u00e8re globale. La capacit\u00e9 \u00e0 extraire des composants sp\u00e9cifiques du s\u00e9rum a transform\u00e9 la rentabilit\u00e9 des usines et l&#8217;offre nutritionnelle mondiale. [1]<\/p>\n<p>La philosophie de Lactalis Ingredients s&#8217;inscrit dans cette dynamique\u00a0; notre mission \u00e9tant \u00ab\u00a0de transformer et de valoriser le lait en une large gamme d\u2019ingr\u00e9dients afin de r\u00e9pondre aux enjeux d\u2019une nutrition saine, accessible \u00e0 tous\u00a0\u00bb.<\/p>\n<p><a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/p>\n<h3><a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/h3>\n<p><a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/p>\n<p><a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/p>\n<h2><span style=\"text-decoration: underline;\"><strong>L&#8217;excellence technologique : de la filtration \u00e0 la cristallisation<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>La transformation du lactos\u00e9rum en ingr\u00e9dient de haute valeur repose sur une ma\u00eetrise parfaite des technologies de s\u00e9paration et de s\u00e9chage.<\/p>\n<ul class=\"ul\">\n<li><strong>Le fractionnement membranaire :<\/strong>\u00a0Gr\u00e2ce \u00e0 l\u2019ultrafiltration, nous isolons les prot\u00e9ines de lactos\u00e9rum (WPC\/WPI) pour obtenir des poudres hautement concentr\u00e9es, essentielles pour la nutrition humaine.<\/li>\n<li><strong>La technologie Flowhey\u00ae :<\/strong>\u00a0Pour les poudres de lactos\u00e9rum standard, Lactalis Ingredients a investi massivement (notamment sur le site de Verdun) dans la tour de s\u00e9chage Flowhey\u00ae. Cet investissement optimise la cristallisation du lactose, \u00e9vitant le mottage de la poudre tout en r\u00e9duisant l\u2019empreinte carbone globale du processus. Un avantage majeur de cette technologie est ainsi d&#8217;assurer une meilleure conservation du produit fini : Flowhey\u00ae garantit une qualit\u00e9 constante et une dur\u00e9e de vie prolong\u00e9e, m\u00eame dans des conditions de stockage ou d&#8217;exportation exigeantes.<\/li>\n<li><strong>La gestion de l&#8217;eau :<\/strong>\u00a0L&#8217;\u00e9conomie circulaire s&#8217;applique aussi aux ressources naturelles. L&#8217;eau extraite du lactos\u00e9rum lors de sa concentration (Eau de Concentration de la Mati\u00e8re Laiti\u00e8re) est de plus en plus r\u00e9utilis\u00e9e pour le nettoyage des installations mais \u00e9galement le rin\u00e7age des cristaux de lactose, limitant ainsi notre pr\u00e9l\u00e8vement sur les ressources locales.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\"><strong>Des ingr\u00e9dients \u00e0 haute valeur ajout\u00e9e pour chaque \u00e9tape de la vie<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>En valorisant le s\u00e9rum, nous produisons des ingr\u00e9dients r\u00e9pondant \u00e0 des besoins physiologiques pr\u00e9cis :<\/p>\n<ul class=\"ul\">\n<li><strong><a href=\"https:\/\/www.lactalisingredients.com\/applications\/nutrition-sports\/\">Nutrition Sportive<\/a> :<\/strong>\u00a0Les concentr\u00e9s de prot\u00e9ines de lactos\u00e9rum (WPC) offrent une biodisponibilit\u00e9 exceptionnelle en acides amin\u00e9s branch\u00e9s (BCAA), indispensables \u00e0 la r\u00e9cup\u00e9ration musculaire.<\/li>\n<li><strong><a href=\"https:\/\/www.lactalisingredients.com\/applications\/infant-nutrition\/\">Nutrition Infantile<\/a> :<\/strong>\u00a0Le lactose de sp\u00e9cialit\u00e9 et le s\u00e9rum d\u00e9min\u00e9ralis\u00e9 sont des piliers de la formulation des laits infantiles, se rapprochant au plus pr\u00e8s de la composition du lait maternel.<\/li>\n<li><strong><a href=\"https:\/\/www.lactalisingredients.com\/applications\/healthy-aging\/\">Sant\u00e9 et Seniors<\/a> :<\/strong>\u00a0La nutrition clinique utilise les prot\u00e9ines de lactos\u00e9rum pour lutter contre la sarcop\u00e9nie (perte musculaire) chez les personnes \u00e2g\u00e9es, un enjeu de sant\u00e9 publique majeur.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3095200 size-full\" src=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/economie-circulaire-2.jpg\" alt=\"circular economy\" width=\"525\" height=\"309\" srcset=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/economie-circulaire-2.jpg 525w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/economie-circulaire-2-300x177.jpg 300w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/economie-circulaire-2-24x14.jpg 24w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/economie-circulaire-2-36x21.jpg 36w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2026\/07\/economie-circulaire-2-48x28.jpg 48w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Au-del\u00e0 de la nutrition, le lactos\u00e9rum est un alli\u00e9 pr\u00e9cieux pour l&#8217;industrie agroalimentaire gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s technologiques :<\/p>\n<ul class=\"ul\">\n<li><strong><a href=\"https:\/\/www.lactalisingredients.com\/applications\/bakery-pastry\/\">Boulangerie et P\u00e2tisserie<\/a> :<\/strong>\u00a0Am\u00e9lioration de la texture, et de la r\u00e9action de Maillard pour une dorure parfaite des produits.<\/li>\n<li><strong><a href=\"https:\/\/www.lactalisingredients.com\/applications\/chocolate-and-confectionery\/\">Chocolaterie et Confiserie<\/a> :<\/strong>\u00a0les produits du s\u00e9rum, sources de solides laitiers, permettent d&#8217;optimiser le co\u00fbt de la recette.<\/li>\n<li><strong><a href=\"https:\/\/www.lactalisingredients.com\/applications\/application-dairy-products\/\">Produits Laitiers et Boissons<\/a> :<\/strong>\u00a0les produits du s\u00e9rum permettent la formulation de produits plus \u00e9conomiques. C\u2019est le cas de nos poudres de lactos\u00e9rum doux Flowhey\u00ae. Elles conviennent parfaitement \u00e0 la fabrication de lait concentr\u00e9 sucr\u00e9 ou \u00e9vapor\u00e9. Leur stabilit\u00e9 thermique permet d\u2019\u00e9viter les risques de g\u00e9lification en ligne.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\"><strong>Un engagement durable : l&#8217;exemple de Verdun<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>La circularit\u00e9 ne s&#8217;arr\u00eate pas au produit, elle englobe l&#8217;\u00e9nergie n\u00e9cessaire \u00e0 sa fabrication. \u00c0 Verdun, l&#8217;un de nos principaux sites de traitement du lactos\u00e9rum, la centrale solaire thermique\u00a0<strong>Lactosol<\/strong>\u00a0permet d\u00e9sormais de r\u00e9duire de 7 % la consommation de gaz du site, \u00e9vitant ainsi l&#8217;\u00e9mission de 2 000 tonnes de CO2 par an. C&#8217;est la preuve que la production d&#8217;ingr\u00e9dients nutritionnels peut rimer avec d\u00e9carbonation.<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\"><strong>Conclusion<\/strong><\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>La valorisation du lactos\u00e9rum est l&#8217;exemple parfait d&#8217;une \u00e9conomie circulaire r\u00e9ussie : elle convertit un d\u00e9fi environnemental en une opportunit\u00e9 nutritionnelle. Lactalis Ingredients continue d&#8217;investir dans la science laiti\u00e8re pour que chaque goutte de s\u00e9rum contribue \u00e0 une alimentation plus saine et plus durable \u00e0 travers le monde.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/p>\n<p>Une question ? <a href=\"https:\/\/www.lactalisingredients.com\/fr\/contact\/\"><span style=\"text-decoration: underline;\">Contactez-nous<\/span><\/a>\u00a0!<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"text-decoration: underline;\">Sources<\/span>:<\/p>\n<p><span style=\"font-size: 12px;\">[1] <strong>Dairy Reporter (2026).<\/strong>\u00a0<em>How whey protein is reshaping the global dairy economy.<\/em><\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pendant des d\u00e9cennies, le lactos\u00e9rum (ou petit-lait) a \u00e9t\u00e9 per\u00e7u [&hellip;]<\/p>\n","protected":false},"featured_media":2796225,"template":"","class_list":["post-2794978","blog-post","type-blog-post","status-publish","has-post-thumbnail","hentry","blog-category-rse"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L&#039;\u00e9conomie circulaire au service de la nutrition<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment la valorisation du lactos\u00e9rum gr\u00e2ce \u00e0 l\u2019\u00e9conomie circulaire permet de cr\u00e9er des ingr\u00e9dients nutritionnels de haute performance, durables et innovants.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lactalisingredients.com\/fr\/news\/blog\/leconomie-circulaire-au-service-de-la-nutrition-valoriser-le-lactoserum-en-ingredients-de-haute-performance\/\" \/>\n<meta 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