{"id":9091,"date":"2024-02-15T15:31:16","date_gmt":"2024-02-15T14:31:16","guid":{"rendered":"https:\/\/www.innov-ia.com\/?p=9091"},"modified":"2025-06-24T08:42:40","modified_gmt":"2025-06-24T06:42:40","slug":"microencapsulation-a-partir-de-couples-de-proteines-polysaccharides-dorigine-vegetale","status":"publish","type":"post","link":"https:\/\/www.innov-ia.com\/fr\/microencapsulation-a-partir-de-couples-de-proteines-polysaccharides-dorigine-vegetale\/","title":{"rendered":"MICROENCAPSULATION A PARTIR DE COUPLES DE PROTEINES-POLYSACCHARIDES D\u2019ORIGINE VEGETALE"},"content":{"rendered":"<p><img decoding=\"async\" class=\"lazyload aligncenter wp-image-9008 size-large\" src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-1024x376.jpg\" data-orig-src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-1024x376.jpg\" alt=\"\" width=\"1024\" height=\"376\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271024%27%20height%3D%27376%27%20viewBox%3D%270%200%201024%20376%27%3E%3Crect%20width%3D%271024%27%20height%3D%27376%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-200x73.jpg 200w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-300x110.jpg 300w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-400x147.jpg 400w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-600x220.jpg 600w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-768x282.jpg 768w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-800x294.jpg 800w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1-1024x376.jpg 1024w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-1.jpg 1032w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Etude sur les ph\u00e9nom\u00e8nes de coacervation complexe \u00e0 partir de biopolym\u00e8res d\u2019origine v\u00e9g\u00e9tale, et d\u00e9veloppement de formulations permettant l\u2019encapsulation d\u2019actifs liposolubles avec pour objectif une protection et une lib\u00e9ration contr\u00f4l\u00e9e en fonction du pH dans des syst\u00e8mes complexes.<\/strong><\/p>\n<p><img decoding=\"async\" class=\"lazyload size-medium wp-image-9012 alignleft\" src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-300x89.jpg\" data-orig-src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-300x89.jpg\" alt=\"\" width=\"300\" height=\"89\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%2789%27%20viewBox%3D%270%200%20300%2089%27%3E%3Crect%20width%3D%27300%27%20height%3D%2789%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-200x59.jpg 200w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-300x89.jpg 300w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-400x118.jpg 400w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-600x177.jpg 600w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-768x227.jpg 768w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3-800x236.jpg 800w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-3.jpg 1025w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>La microencapsulation regroupe l\u2019ensemble des techniques permettant d\u2019isoler un compos\u00e9 bioactif de son environnement. L\u2019int\u00e9r\u00eat de cette technologie r\u00e9side dans sa capacit\u00e9 \u00e0 assurer la protection, la compatibilit\u00e9 et la stabilisation de l\u2019actif, la pr\u00e9servation de ses fonctionnalit\u00e9s, mais \u00e9galement de ma\u00eetriser son profil de lib\u00e9ration.<\/p>\n<p>Le choix de la matrice encapsulante, conditionn\u00e9 par l\u2019application et l\u2019actif vis\u00e9s, doit r\u00e9pondre \u00e0 des exigences associ\u00e9es notamment \u00e0 l\u2019utilisation de mat\u00e9riaux renouvelables, biod\u00e9gradables et biocompatibles pour \u00e9carter tout risque de r\u00e9actions toxiques, inflammatoires ou immunog\u00e8nes ou d\u2019accumulation chez l\u2019organisme consid\u00e9r\u00e9. Toutefois, les propri\u00e9t\u00e9s int\u00e9ressantes de certains polym\u00e8res synth\u00e9tiques n\u2019ont pas d\u2019\u00e9quivalent dans le monde naturel, ou ces \u00e9quivalents sont difficilement transposables aux proc\u00e9d\u00e9s industriels.<\/p>\n<p>Ce contexte contraint les industriels de la microencapsulation \u00e0 ma\u00eetriser les connaissances des diff\u00e9rentes mol\u00e9cules naturelles disponibles sur le march\u00e9 et \u00e0 s\u00e9lectionner les mati\u00e8res premi\u00e8res int\u00e9grant leurs formulations en fonction de l\u2019application vis\u00e9e. Les solutions propos\u00e9es par les industriels permettent la protection d\u2019actifs hydrosolubles ou liposolubles par le d\u00e9veloppement de technologies innovantes permettant d\u2019obtenir une \u00e9mulsion submicronique s\u00e9chable par atomisation.<br \/>\nToutefois, des difficult\u00e9s persistent sur la ma\u00eetrise de la lib\u00e9ration contr\u00f4l\u00e9e de principes actifs encapsul\u00e9s et une demande croissante est rencontr\u00e9e sur le d\u00e9veloppement de syst\u00e8mes avec une lib\u00e9ration pH-d\u00e9pendante.<\/p>\n<p><img decoding=\"async\" class=\"lazyload size-medium wp-image-9010 alignleft\" src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-300x98.jpg\" data-orig-src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-300x98.jpg\" alt=\"\" width=\"300\" height=\"98\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27300%27%20height%3D%2798%27%20viewBox%3D%270%200%20300%2098%27%3E%3Crect%20width%3D%27300%27%20height%3D%2798%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-200x65.jpg 200w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-300x98.jpg 300w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-400x130.jpg 400w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-600x196.jpg 600w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-768x251.jpg 768w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-800x261.jpg 800w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2-1024x334.jpg 1024w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/PHOTO-2.jpg 1027w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 300px) 100vw, 300px\" \/>Dans ce contexte, le pr\u00e9sent travail propose d\u2019\u00e9tudier les ph\u00e9nom\u00e8nes de coacervation complexe \u00e0 partir de biopolym\u00e8res d\u2019origine v\u00e9g\u00e9tale et de d\u00e9velopper des formulations permettant l\u2019encapsulation d\u2019actifs liposolubles avec pour objectif une protection et une lib\u00e9ration contr\u00f4l\u00e9e en fonction du pH dans des syst\u00e8mes complexes. Les syst\u00e8mes d\u2019encapsulation ont \u00e9t\u00e9 formul\u00e9s \u00e0 partir de quatre couples de prot\u00e9ines-polysaccharides d\u2019origine v\u00e9g\u00e9tale : les prot\u00e9ines de pois associ\u00e9es \u00e0 la gomme adragante, la gomme arabique, l\u2019alginate de sodium et la gomme tara.<br \/>\nLa premi\u00e8re partie s\u2019est focalis\u00e9e sur l\u2019influence de la nature du polysaccharide (charg\u00e9 n\u00e9gativement ou non) sur le comportement en phase associative du couple prot\u00e9ine-polysaccharide ainsi que les facteurs physico-chimiques optimaux (pH, ratio) favorisant la coacervation complexe du couple. Les param\u00e8tres optimaux ont ainsi \u00e9t\u00e9 d\u00e9termin\u00e9s pour chacun des couples.<\/p>\n<p>La seconde partie s\u2019est concentr\u00e9e sur la formulation de microsph\u00e8res permettant l\u2019encapsulation de l\u2019\u03b1-tocoph\u00e9rol \u00e0 partir d\u2019une matrice compos\u00e9e des coacervats complexes \u00e9tudi\u00e9s pr\u00e9c\u00e9demment. Cette partie fait l\u2019objet dans un premier temps d\u2019une \u00e9tude sur l\u2019influence du couple prot\u00e9ine-polysaccharide et de ces facteurs sur la qualit\u00e9 de l\u2019encapsulation de l\u2019actif \u00e9mulsionn\u00e9. Dans un second temps, l\u2019influence du couple prot\u00e9ine-polysaccharide des solutions s\u00e9ch\u00e9es par atomisation est \u00e9tudi\u00e9e sur la formation des microsph\u00e8res, leurs propri\u00e9t\u00e9s de surface et la lib\u00e9ration de l\u2019\u03b1-tocoph\u00e9rol dans des milieux de digestion simul\u00e9s.<\/p>\n<p>Le potentiel gastroprotecteur de la gomme adragante en association avec les prot\u00e9ines de pois a \u00e9t\u00e9 mis en \u00e9vidence en fonction du ratio utilis\u00e9. Une \u00e9volution du comportement de relargage de l\u2019actif des microsph\u00e8res en fonction du rapport prot\u00e9ine\/polysaccharide a \u00e9galement \u00e9t\u00e9 observ\u00e9e.<\/p>\n<p>Ce travail a permis une meilleure compr\u00e9hension des m\u00e9canismes permettant la formation de coacervats complexes \u00e0 partir de biopolym\u00e8res d\u2019origine v\u00e9g\u00e9tale et leur capacit\u00e9 \u00e0 encapsuler et lib\u00e9rer de mani\u00e8re contr\u00f4l\u00e9e un substance active.<\/p>\n<p><em>Article en anglais<\/em><\/p>\n<p><img decoding=\"async\" class=\"lazyload  wp-image-9006 aligncenter\" src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/IMAGE-POSTER-THESE-JEREMY-200x300.png\" data-orig-src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/IMAGE-POSTER-THESE-JEREMY-200x300.png\" alt=\"\" width=\"843\" height=\"1265\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27843%27%20height%3D%271265%27%20viewBox%3D%270%200%20843%201265%27%3E%3Crect%20width%3D%27843%27%20height%3D%271265%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/IMAGE-POSTER-THESE-JEREMY-200x299.png 200w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/IMAGE-POSTER-THESE-JEREMY-400x599.png 400w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/IMAGE-POSTER-THESE-JEREMY.png 1116w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 843px) 100vw, 843px\" \/><\/p>\n<h2><strong>PART 1 : Complex coacervation of pea protein isolate and tragacanth gum: Comparative study with commercial polysaccharides<\/strong><br \/>\n<strong>ABSTRACT<\/strong><\/h2>\n<p>The ability of pea protein isolates (PPI) to form complex coacervates with tragacanth gum was investigated. The coacervate formation was structurally compared to three other PPI-polysaccharide interaction models: arabic gum and sodium alginate (known to form coacervates with PPI) and tara gum, a galactomannan. The effects of the pH and protein\/polysaccharide ratio were mainly investigated using turbidity and zeta potential measurements. Regarding the pH of soluble complex formation, the pH of complex coacervates increased with the increase in protein-anionic polysaccharide mixture ratio. SEM images revealed the ability of the spray-drying process to form spherical particles of pea protein-polysaccharide complexes. The specificity of the microparticle surface was protein-dependent. FTIR analyses of coacervates showed the electrostatic interaction between the PPI and the polysaccharides. The results showed that tragacanth gum could be used as an alternative to gum arabic to form complex coacervates with PPI based on zeta potential measurements and coacervation yield studies.<\/p>\n<p><strong>Read the full article from INNOVATIVE FOOD SCIENCE &amp; EMERGING TECHNOLOGIES, Vol 69 :<\/strong><br \/>\n<a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1466856421000424\">https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1466856421000424<\/a><\/p>\n<p><em>Article about the thesis from :<\/em><br \/>\nJ\u00e9r\u00e9my Carpentier (A&amp;B), Egle Conforto (A), Carine Chaigneau (B), Jean-Eudes Vendeville (B), Thierry Maugard (A)<br \/>\nA : Universit\u00e9 de La Rochelle, UMR CNRS 7266, LIENSs, UFR Sciences, Avenue Michel Cr\u00e9peau, 17042 La Rochelle, France<br \/>\nB : IDCAPS, R&amp;I subsidiary of INNOV&rsquo;IA (IDCAPS became CAPSULAE in 2022), 4 rue Samuel Champlain, Z.I. Chef de Baie, 17000 La Rochelle, France<\/p>\n<h2>PART 2 : Microencapsulation and controlled release of \u03b1-tocopherol by complex coacervation between pea protein and tragacanth gum: A comparative study with arabic and tara gums<\/h2>\n<p><strong>ABSTRACT<\/strong><br \/>\nThe ability of pea protein isolates (PPI) to form complex coacervates with tragacanth gum (TRAG) was used for the microencapsulation of \u03b1-tocopherol mixture with pH-dependent release properties.<br \/>\nThe microcapsules were compared to three other models: PPI alone, PPI and gum arabic (PPI-GAC, known to form microcapsules of complex coacervates), and PPI and tara gum (PPI-TARA, non-ionic polysaccharides).<\/p>\n<p><img decoding=\"async\" class=\"lazyload  wp-image-9017 aligncenter\" src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/Image1-269x300.png\" data-orig-src=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/Image1-269x300.png\" alt=\"\" width=\"431\" height=\"481\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27431%27%20height%3D%27481%27%20viewBox%3D%270%200%20431%20481%27%3E%3Crect%20width%3D%27431%27%20height%3D%27481%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/Image1-200x223.png 200w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/Image1-269x300.png 269w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/Image1-400x446.png 400w, https:\/\/www.innov-ia.com\/wp-content\/uploads\/2024\/01\/Image1.png 455w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 431px) 100vw, 431px\" \/><\/p>\n<p>The behaviors of the complex coacervates and microcapsules were studied according to the protein\/polysaccharide mixture and protein\/polysaccharide ratio.<\/p>\n<p>The formation of complex coacervates from the PPI-TRAG and PPI-GAC mixtures impacted the particle size of the liquid suspensions and microcapsules, the efficiency of encapsulation and the active release profile.<\/p>\n<p>An interesting gastroprotective behavior was identified for the PPI-TRAG mixture at the 1:1 ratio in simulated digestion media.<\/p>\n<p>Overall, the results showed the ability of PPI associated with polysaccharides to form microcapsules with a pH-dependent release behavior, that is promising in the field of gastroprotective microencapsulation.<\/p>\n<p><strong>Read the full article from INNOVATIVE FOOD SCIENCE &amp; EMERGING TECHNOLOGIES, Vol 77 :<\/strong> <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1466856422000364\">https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1466856422000364<\/a><\/p>\n<p><em>Article about the thesis from :<\/em><br \/>\nJ\u00e9r\u00e9my Carpentier (A&amp;B), Egle Conforto (A), Carine Chaigneau (B), Jean-Eudes Vendeville (B), Thierry Maugard (A)<br \/>\nA : Universit\u00e9 de La Rochelle, UMR CNRS 7266, LIENSs, UFR Sciences, Avenue Michel Cr\u00e9peau, 17042 La Rochelle, France<br \/>\nB : IDCAPS, R&amp;I subsidiary of INNOV&rsquo;IA (IDCAPS became CAPSULAE in 2022), 4 rue Samuel Champlain, Z.I. Chef de Baie, 17000 La Rochelle, France<\/p>\n<p>&#8212;-<\/p>\n<p><em><a href=\"https:\/\/www.innov-ia.com\/fr\/capsulae\/\">Capsulae Research and Innovation Center,<\/a> subsidiary of <a href=\"https:\/\/www.innov-ia.com\/fr\/\">INNOV&rsquo;IA<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Etude sur les ph\u00e9nom\u00e8nes de coacervation complexe \u00e0 partir de biopolym\u00e8res d\u2019origine v\u00e9g\u00e9tale, et d\u00e9veloppement de formulations permettant l\u2019encapsulation d\u2019actifs liposolubles avec pour objectif une protection et une lib\u00e9ration contr\u00f4l\u00e9e [&#8230;]<\/p>\n","protected":false},"author":10,"featured_media":9011,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[89],"tags":[96],"class_list":["post-9091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-capsulae-2","tag-microencapsulation-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microencapsulation avec prot\u00e9ines et polysaccharides v\u00e9g\u00e9taux<\/title>\n<meta name=\"description\" content=\"Innov&#039;ia propose des solutions de microencapsulation utilisant des prot\u00e9ines et polysaccharides v\u00e9g\u00e9taux.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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