{"id":767,"date":"2025-10-07T14:49:09","date_gmt":"2025-10-07T13:49:09","guid":{"rendered":"https:\/\/unv-ebolowa.cm\/?p=767"},"modified":"2025-10-07T14:49:40","modified_gmt":"2025-10-07T13:49:40","slug":"rheologie-et-biophysique-des-aliments","status":"publish","type":"post","link":"https:\/\/unv-ebolowa.cm\/index.php\/en\/2025\/10\/07\/rheologie-et-biophysique-des-aliments\/","title":{"rendered":"Rh\u00e9ologie et biophysique des aliments"},"content":{"rendered":"\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>IAA418<\/strong><\/td><td><strong>Rh\u00e9ologie et biophysique des aliments<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong><em>Intitul\u00e9 du cours&nbsp;: <\/em><\/strong><em>rh\u00e9ologie et biophysique des aliments&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Code- EC<\/em><\/strong><em> : IAA421&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Fili\u00e8re et niveau<\/em><\/strong><em> : Industrie Agroalimentaire IV&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Enseignant<\/em><\/strong><em>&nbsp;: M EBEH Claude Eug\u00e8ne&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>P\u00e9riode du cours<\/em><\/strong><em>&nbsp;: F\u00e9vrier 2025&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>T\u00e9l\u00e9phone<\/em><\/strong><em>&nbsp;: 698&nbsp;929&nbsp;381\/ 678&nbsp;532&nbsp;941&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Email&nbsp;<\/em><\/strong><em>: <a><\/a><a href=\"mailto:ebehrodrigue53@gmail.com\">ebehrodrigue53@gmail.com<\/a> \/ ebehrodrigue431@gmail.com<strong>&nbsp;;<\/strong><\/em><\/p>\n\n\n\n<p><strong><em>Cours Magistraux (CM) <\/em><\/strong><em>: 50 heures&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Travaux Dirig\u00e9s et pratiques (TD)<\/em><\/strong><em> :10 heures&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Travaux Pratique<\/em><\/strong><em>&nbsp;(TP) : 20 heures&nbsp;;<\/em><\/p>\n\n\n\n<p><strong><em>Travaux Personnel de l\u2019\u00e9tudiant (TPE)<\/em><\/strong><em> : 10 heures.<\/em><\/p>\n\n\n\n<p><strong>DESCRIPTION DU COURS<\/strong><\/p>\n\n\n\n<p><strong>Vis\u00e9e g\u00e9n\u00e9rale du cours&nbsp;:<\/strong><\/p>\n\n\n\n<p>Explorer les interactions entre la rh\u00e9ologie et la biophysique des aliments dans le cadre de la production agroalimentaire, afin de mieux comprendre et ma\u00eetriser les propri\u00e9t\u00e9s physico-chimiques des produits transform\u00e9s, avec un accent particulier sur leur impact sur la qualit\u00e9 nutritionnelle et la stabilit\u00e9 des aliments.<\/p>\n\n\n\n<p><strong>Contenus du cours&nbsp;:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Introduction \u00e0 la Rh\u00e9ologie et \u00e0 la Biophysique des Aliments<\/strong><\/li>\n<\/ol>\n\n\n\n<p><strong>1.1. D\u00e9finition de la rh\u00e9ologie des aliments<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Comportement des mat\u00e9riaux sous contraintes<\/li>\n\n\n\n<li>Importance dans le contr\u00f4le de la texture et de la fluidit\u00e9<\/li>\n<\/ul>\n\n\n\n<p><strong>1.2. D\u00e9finition de la biophysique des aliments<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Structure mol\u00e9culaire et interactions physiques<\/li>\n\n\n\n<li>R\u00f4le crucial dans la texture, la stabilit\u00e9, et le comportement des aliments<\/li>\n<\/ul>\n\n\n\n<p><strong>1.3. Importance des deux domaines dans l\u2019industrie alimentaire<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optimisation des proc\u00e9d\u00e9s de fabrication<\/li>\n\n\n\n<li>Pr\u00e9diction et contr\u00f4le des propri\u00e9t\u00e9s sensorielles et texturales<\/li>\n\n\n\n<li><strong>Propri\u00e9t\u00e9s Rh\u00e9ologiques des Aliments<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>2.1. Viscosit\u00e9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00e9finition et importance<\/li>\n\n\n\n<li>Exemples pratiques (sauces, cr\u00e8mes, jus)<\/li>\n<\/ul>\n\n\n\n<p><strong>2.2. \u00c9lasticit\u00e9 et Plasticit\u00e9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Comportement \u00e9lastique et d\u00e9formations permanentes<\/li>\n\n\n\n<li>Exemples : p\u00e2te \u00e0 pain, fromage<\/li>\n<\/ul>\n\n\n\n<p><strong>2.3. Comportement Non-Newtonien<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fluide thixotrope et rh\u00e9opexique<\/li>\n\n\n\n<li>Importance dans les produits alimentaires<\/li>\n<\/ul>\n\n\n\n<p><strong>2.4. Mod\u00e8les rh\u00e9ologiques<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fluide Newtonien vs. Non-Newtonien<\/li>\n\n\n\n<li>Mod\u00e8le de Bingham, Herschel-Bulkley, etc.<\/li>\n<\/ul>\n\n\n\n<p><strong>2.5. Comportement \u00c9lastique et Visco\u00e9lastique<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mat\u00e9riaux visco\u00e9lastiques : exemple du fromage et de la p\u00e2te \u00e0 pain<\/li>\n\n\n\n<li><strong>Biophysique des Aliments<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>3.1. Structure des Aliments<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Macromol\u00e9cules alimentaires : prot\u00e9ines, lipides, glucides<\/li>\n\n\n\n<li>Interaction entre les mol\u00e9cules et impact sur la texture<\/li>\n<\/ul>\n\n\n\n<p><strong>3.2. Ph\u00e9nom\u00e8nes de G\u00e9lification<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G\u00e9lification des prot\u00e9ines et polysaccharides<\/li>\n\n\n\n<li>Exemples : g\u00e9latine, pectine<\/li>\n<\/ul>\n\n\n\n<p><strong>3.3. Comportements Thermiques et Pression<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Effet de la temp\u00e9rature sur la texture<\/li>\n\n\n\n<li>Impact de la pression (ex. cuisson sous pression)<\/li>\n\n\n\n<li><strong>Applications Pratiques de la Rh\u00e9ologie et de la Biophysique dans l\u2019Industrie Alimentaire<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>4.1. Fabrication des Produits Alimentaires<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Importance des propri\u00e9t\u00e9s rh\u00e9ologiques pour les produits transform\u00e9s<\/li>\n\n\n\n<li>Exemples : pain, yaourt, cr\u00e8me glac\u00e9e, sauces<\/li>\n<\/ul>\n\n\n\n<p><strong>4.2. Transformation et Conservation des Aliments<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Influence de la texture et de la viscosit\u00e9 sur les proc\u00e9d\u00e9s de transformation<\/li>\n\n\n\n<li>Applications de la rh\u00e9ologie dans la gestion de la conservation des produits<\/li>\n<\/ul>\n\n\n\n<p><strong>4.3. Innovations et D\u00e9veloppement de Produits Alimentaires<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utilisation de la rh\u00e9ologie pour cr\u00e9er de nouveaux produits<\/li>\n\n\n\n<li>Exemples : substituts de viande, produits v\u00e9g\u00e9taliens<\/li>\n\n\n\n<li><strong>Conclusion<\/strong><\/li>\n<\/ul>\n\n\n\n<p>5.1. R\u00e9sum\u00e9 des concepts cl\u00e9s<\/p>\n\n\n\n<p>5.2. Lien entre rh\u00e9ologie et biophysique pour l\u2019industrie alimentaire<\/p>\n\n\n\n<p>5.3. Importance de la compr\u00e9hension des propri\u00e9t\u00e9s pour l\u2019innovation alimentaire<\/p>\n\n\n\n<p><strong>Apprentissage vis\u00e9&nbsp;:<\/strong><\/p>\n\n\n\n<p><strong>Expliquer<\/strong> les concepts fondamentaux de la rh\u00e9ologie et de la biophysique des aliments et <strong>leur r\u00f4le<\/strong> dans l\u2019industrie agroalimentaire.<\/p>\n\n\n\n<p><strong>Analyser<\/strong> les propri\u00e9t\u00e9s rh\u00e9ologiques des aliments (viscosit\u00e9, \u00e9lasticit\u00e9, plasticit\u00e9) et <strong>comparer<\/strong> les fluides Newtoniens et Non-Newtoniens.<\/p>\n\n\n\n<p><strong>D\u00e9montrer<\/strong> l\u2019utilisation des instruments de mesure (viscom\u00e8tre, rh\u00e9om\u00e8tre, test de texture) et <strong>interpr\u00e9ter<\/strong> les r\u00e9sultats pour am\u00e9liorer la qualit\u00e9 des produits.<\/p>\n\n\n\n<p><strong>D\u00e9crire<\/strong> la structure des aliments, les ph\u00e9nom\u00e8nes de g\u00e9lification, et <strong>analyser<\/strong> les effets thermiques et de pression sur leurs propri\u00e9t\u00e9s.<\/p>\n\n\n\n<p><strong>Appliquer<\/strong> les concepts de rh\u00e9ologie et de biophysique pour optimiser la fabrication, la transformation et la qualit\u00e9 des produits alimentaires.<\/p>\n\n\n\n<p><strong>Proposer<\/strong> des solutions innovantes pour am\u00e9liorer la texture et la qualit\u00e9 des produits.<\/p>\n\n\n\n<p><strong>R\u00e9sumer<\/strong> les concepts cl\u00e9s et <strong>relier<\/strong> leur compr\u00e9hension \u00e0 l\u2019innovation et au d\u00e9veloppement de nouveaux produits alimentaires.<\/p>\n\n\n\n<p><strong>Programme et calendrier&nbsp;:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Semaines \/ dates<\/strong><\/td><td><strong>Contenus \/ objectifs<\/strong><\/td><td><strong>Activit\u00e9s<\/strong><\/td><td><strong>Travail pr\u00e9alable<\/strong><\/td><\/tr><tr><td>&nbsp; 07\/02\/2025<\/td><td><strong>S\u00e9ance 1<\/strong>&nbsp;: <strong>plan de cours<\/strong>&nbsp;; <strong>introduction \u00e0 la rh\u00e9ologie et \u00e0 la biophysique des aliments<\/strong>&nbsp;: d\u00e9finition de la rh\u00e9ologie, de la biophysique des aliments et importance des deux domaines dans l\u2019industrie alimentaire.<\/td><td>Expos\u00e9 magistral et Simulation\/\u00c9tude de cas<\/td><td>Lecture chapitre 1 + Compte rendu de Lecture<\/td><\/tr><tr><td>&nbsp; &nbsp; &nbsp; &nbsp; Du 07 au 08\/02\/2025<\/td><td><strong>Section 2&nbsp;: propri\u00e9t\u00e9s rh\u00e9ologiques des aliments&nbsp;<\/strong>: v<strong>iscosit\u00e9<\/strong> (d\u00e9finition et importance et exemples pratiques (sauces, cr\u00e8mes, jus), <strong>\u00e9lasticit\u00e9 et plasticit\u00e9 (c<\/strong>omportement \u00e9lastique et d\u00e9formations permanentes et exemples : p\u00e2te \u00e0 pain, fromage), <strong>comportement Non-Newtonien<\/strong> (fluide thixotrope et rh\u00e9opexique voire Importance dans les produits alimentaires).<\/td><td>&nbsp; &nbsp; &nbsp; &nbsp; Expos\u00e9 magistral et Simulation\/\u00c9tude de cas<\/td><td>&nbsp; &nbsp; &nbsp; &nbsp; Lecture chapitre 2 + Compte rendu de Lecture<\/td><\/tr><tr><td>Du 08 au 09\/02\/2025<\/td><td><strong>Section 2&nbsp;: propri\u00e9t\u00e9s rh\u00e9ologiques des aliments&nbsp;<\/strong>: m<strong>od\u00e8les rh\u00e9ologiques<\/strong> (fluide Newtonien vs. Non-Newtonien, mod\u00e8le de Bingham, Herschel-Bulkley, etc.), <strong>comportement \u00e9lastique et visco\u00e9lastique<\/strong> (mat\u00e9riaux visco\u00e9lastiques : exemple du fromage et de la p\u00e2te \u00e0 pain).<\/td><td>Expos\u00e9 magistral et Simulation\/\u00c9tude de cas<\/td><td>&nbsp; Lecture chapitre 2 + Compte rendu de Lecture<\/td><\/tr><tr><td>Du 09 au 10\/02\/2025<\/td><td><strong>Section 3<\/strong>&nbsp;: <strong>biophysique des aliments&nbsp;: structure des aliments<\/strong> (macromol\u00e9cules alimentaires : prot\u00e9ines, lipides, glucides et interaction entre les mol\u00e9cules et impact sur la texture), <strong>ph\u00e9nom\u00e8nes de g\u00e9lification<\/strong> (g\u00e9lification des prot\u00e9ines et polysaccharides&nbsp;: exemples : g\u00e9latine, pectine), <strong>comportements thermiques et pression<\/strong> (effet de la temp\u00e9rature sur la texture et impact de la pression (ex. cuisson sous pression).<\/td><td>Expos\u00e9 magistral et Simulation\/\u00c9tude de cas<\/td><td>&nbsp; Lecture chapitre 3 + Compte rendu de Lecture<\/td><\/tr><tr><td>Du 10 au 12\/02\/2025<\/td><td><strong>Section 4 <\/strong>: a<strong>applications pratiques de la rh\u00e9ologie et de la biophysique dans l\u2019industrie alimentaire&nbsp;: fabrication des produits alimentaires<\/strong> (importance des propri\u00e9t\u00e9s rh\u00e9ologiques pour les produits transform\u00e9s et exemples : pain, yaourt, cr\u00e8me glac\u00e9e, sauces), <strong>transformation et conservation des aliments<\/strong> (influence de la texture et de la viscosit\u00e9 sur les proc\u00e9d\u00e9s de transformation et applications de la rh\u00e9ologie dans la gestion de la conservation des produits), <strong>innovations et d\u00e9veloppement de produits Alimentaires (<\/strong>utilisation de la rh\u00e9ologie pour cr\u00e9er de nouveaux produits et exemples : substituts de viande, produits v\u00e9g\u00e9taliens).<\/td><td>Expos\u00e9 magistral et Simulation\/\u00c9tude de cas<\/td><td>&nbsp; Lecture chapitre 4 + Compte rendu de Lecture<\/td><\/tr><tr><td>Du 10 au 12\/02\/2025<\/td><td><strong>Section 5&nbsp;: conclusion&nbsp;: <\/strong>R\u00e9sum\u00e9 des concepts cl\u00e9s&nbsp;? lien entre rh\u00e9ologie et biophysique pour l\u2019industrie alimentaire et importance de la compr\u00e9hension des propri\u00e9t\u00e9s pour l\u2019innovation alimentaire.<\/td><td>Expos\u00e9 magistral et Simulation\/\u00c9tude de cas<\/td><td>Lecture conclusion g\u00e9n\u00e9rale + Compte rendu de Lecture<\/td><\/tr><tr><td>Du 12 au 13\/02\/2025<\/td><td><strong>TD&nbsp;: <\/strong>poss\u00e8dent des questions li\u00e9es \u00e0 la rh\u00e9ologie et biophysique des aliments avec des cas pratiques.<\/td><td>Activit\u00e9 en groupe<\/td><td>Compte rendu du TD<\/td><\/tr><tr><td>Du 13 au 16\/02\/2025<\/td><td><strong>TPE<\/strong>&nbsp;: Th\u00e8me relatif d\u2019une part \u00e0 la biophysique des aliments et d\u2019autre part sur la rh\u00e9ologie des aliments.<\/td><td>Activit\u00e9 en groupe<\/td><td>Compte rendu du TPE<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Mode d\u2019\u00e9valuation&nbsp;:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type d\u2019examen<\/strong><\/td><td><strong>TD<\/strong><\/td><td><strong>Intra<\/strong><\/td><td><strong>Final<\/strong><\/td><td><strong>Type d\u2019examen<\/strong><\/td><\/tr><tr><td>Evaluer les acquis<\/td><td>&nbsp;<\/td><td>X<\/td><td>X<\/td><td rowspan=\"4\">&nbsp; Evaluer les acquis des apprenants<\/td><\/tr><tr><td>Examen en salle<\/td><td>&nbsp;<\/td><td>X<\/td><td>X<\/td><\/tr><tr><td>Travaux Dirig\u00e9s<\/td><td>X<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><tr><td>Expos\u00e9s<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><td>&nbsp;<\/td><\/tr><tr><td>P\u00e9riode pr\u00e9vue pour les \u00e9valuations<\/td><td>A la fin du cours<\/td><td>Apr\u00e8s le TD, CC<\/td><td>Synth\u00e8se finale harmonis\u00e9e<\/td><td>&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>R\u00e8gles de fonctionnement du cours&nbsp;:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Le respect des d\u00e9lais de remise des travaux\u00a0: <\/strong>en cas de d\u00e9passement de d\u00e9lais en rigueur l\u2019\u00e9tudiant est p\u00e9nalis\u00e9 par soustraction de point\u00a0;<ol><li><strong>L\u2019absent\u00e9isme : <\/strong>la pr\u00e9sence en salle est obligatoire et les appelles se font \u00e0 la fin du cours, pendant la s\u00e9ance du cours les \u00e9tudiants doivent poser des questions d\u2019incompr\u00e9hension afin de canaliser leur compr\u00e9hension du cours voire fournir des \u00e9l\u00e9ments de r\u00e9ponses d\u2019incompr\u00e9hension de leur promotionnaire en sugg\u00e9rant leur r\u00e9ponse et qu\u2019ils r\u00e9pondent aux questions pos\u00e9es selon leur en pr\u00e9hension s\u2019ils en disposent une r\u00e9ponse.<\/li><\/ol><ol><li><strong>Le travail personnel :<\/strong> lors du cours magistral, les devoirs de recherche \u00e0 remettre au lendemain du cours sont toujours donn\u00e9s aux \u00e9tudiants, et ce travail est toujours not\u00e9 pour compilation afin d\u2019avoir une moyenne g\u00e9n\u00e9rale des diff\u00e9rents Contr\u00f4les Continus (CC) et si le devoir n\u2019est fait la p\u00e9nalit\u00e9 n\u2019est qu\u2019une note de z\u00e9ro \u00e0 ce CC.<\/li><\/ol>\n<ol class=\"wp-block-list\">\n<li><strong>Le plagiat et les risques encourus\u00a0: <\/strong>la bl\u00e2me commence par un avertissement tout en montrant et en demandant \u00e0 l\u2019\u00e9tudiant de se r\u00e9f\u00e9rer selon la d\u00e9ontologie et l\u2019\u00e9thique acad\u00e9mique qu\u2019il a re\u00e7u selon mes explications, en cas de r\u00e9p\u00e9tition le cas de l\u2019\u00e9tudiant sera remis au Chef de D\u00e9partement.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>Bibliographie du cours et ressources compl\u00e9mentaires<\/strong><\/p>\n\n\n\n<p><strong>Augusto, P. E. D., Rojas, M. L., Miano, A. C. (2023).<\/strong> <em>Food Rheology: A Practical Guide<\/em>. CRC Press.<\/p>\n\n\n\n<p><strong>Rao, M. A. (2007).<\/strong> <em>Rheology of Fluid and Semisolid Foods: Principles and Applications<\/em> (2nd ed.). Springer.<\/p>\n\n\n\n<p><strong>Van Vliet, T. (2013).<\/strong> <em>Rheology and Fracture Mechanics of Foods<\/em>. CRC Press.<\/p>\n\n\n\n<p>Bourne, M. C. (2002). <em>Food Texture and Viscosity: Concept and Measurement<\/em> (2nd ed.).<\/p>\n\n\n\n<p><strong>Steffe, J. F. (1996).<\/strong> <em>Rheological Methods in Food Process Engineering<\/em> (2nd ed.). Freeman Press.<\/p>\n\n\n\n<p><strong>Chen, J., Rosenthal, A. J. (Eds.). (2015). <\/strong><em>Modifying Food Texture: Volume 1 &#8211; Mechanical Behaviors, Physiological Perception, and Instrumental Measurement<\/em>. Woodhead Publishing.<\/p>\n\n\n\n<p><strong>McClements, D. J. (2004). <\/strong><em>Food Emulsions: Principles, Practices, and Techniques<\/em> (2nd ed.). CRC Press.<\/p>\n\n\n\n<p><strong>Ferry, J. D. (1980).<\/strong> <em>Viscoelastic Properties of Polymers<\/em> (3rd ed.). Wiley.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>IAA418 Rh\u00e9ologie et biophysique des aliments Intitul\u00e9 du cours&nbsp;: rh\u00e9ologie et biophysique des aliments&nbsp;; Code- EC : IAA421&nbsp;; Fili\u00e8re et niveau : Industrie Agroalimentaire IV&nbsp;; Enseignant&nbsp;: M EBEH Claude Eug\u00e8ne&nbsp;; P\u00e9riode du cours&nbsp;: F\u00e9vrier 2025&nbsp;; T\u00e9l\u00e9phone&nbsp;: 698&nbsp;929&nbsp;381\/ 678&nbsp;532&nbsp;941&nbsp;; Email&nbsp;: ebehrodrigue53@gmail.com \/ ebehrodrigue431@gmail.com&nbsp;; Cours Magistraux (CM) : 50 heures&nbsp;; Travaux Dirig\u00e9s et pratiques (TD) :10 heures&nbsp;; [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-767","post","type-post","status-publish","format-standard","hentry","category-cours"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.8 (Yoast SEO v27.6) - 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