{"id":8176,"date":"2025-11-28T09:03:23","date_gmt":"2025-11-28T08:03:23","guid":{"rendered":"https:\/\/www.lycee-valin.fr\/RJVALIN\/?p=8176"},"modified":"2025-11-30T05:11:58","modified_gmt":"2025-11-30T04:11:58","slug":"les-etudiants-de-bts-bioalc1-transforment-le-lait-en-fromage","status":"publish","type":"post","link":"https:\/\/www.lycee-valin.fr\/RJVALIN\/les-etudiants-de-bts-bioalc1-transforment-le-lait-en-fromage\/","title":{"rendered":"Les \u00e9tudiants de BTS BioALC1 transforment le lait en fromage"},"content":{"rendered":"\n<p>Dans le cadre de la sortie scolaire relat\u00e9e pr\u00e9c\u00e9demment \u00ab <a href=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/de-la-stabulation-a-la-paillasse-une-nouvelle-collecte-de-lait-pour-les-etudiants-du-bts-bioalc1\/\">De la stabulation \u00e0 la paillasse<\/a> \u00bb, une partie du lait collect\u00e9 a \u00e9t\u00e9 utilis\u00e9e par les \u00e9tudiants du BTS BioALC1 du lyc\u00e9e Ren\u00e9-Josu\u00e9 Valin pour la fabrication artisanale de fromage sous la conduite de leur professeure, <strong>Sandrine BRUNA<\/strong>.<\/p>\n\n\n\n<p>Les \u00e9tudiants ont enfil\u00e9 blouses et charlottes pour cet atelier de transformation. L\u2019objectif : passer du lait frais \u00e0 un produit fini, v\u00e9ritable reflet du travail collectif et des savoir-faire enseign\u00e9s au lyc\u00e9e.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"8178\" src=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-2-768x1024.jpeg\" alt=\"\" class=\"wp-image-8178\" srcset=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-2-768x1024.jpeg 768w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-2-225x300.jpeg 225w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-2-1152x1536.jpeg 1152w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-2.jpeg 1512w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"8177\" src=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-1-768x1024.jpeg\" alt=\"\" class=\"wp-image-8177\" srcset=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-1-768x1024.jpeg 768w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-1-225x300.jpeg 225w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-1-1152x1536.jpeg 1152w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.38.02-1.jpeg 1512w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Les \u00e9tudiants ont d\u2019abord proc\u00e9d\u00e9 au caillage du lait, en ajoutant pr\u00e9sure et ferments, pour provoquer la coagulation \u2014 l\u2019\u00e9tape qui s\u00e9pare le caill\u00e9 du petit-lait.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-26-at-14.15.41-1024x768.jpeg\" alt=\"\" class=\"wp-image-8179\" srcset=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-26-at-14.15.41-1024x768.jpeg 1024w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-26-at-14.15.41-300x225.jpeg 300w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-26-at-14.15.41-768x576.jpeg 768w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-26-at-14.15.41-1536x1152.jpeg 1536w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-26-at-14.15.41.jpeg 2016w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Ensuite, l\u2019\u00e9gouttage du caill\u00e9 \u2014 via d\u00e9coupage, brassage, \u00e9gouttage (et \u00e9ventuellement pressurage), selon le type de fromage \u2014 permet d\u2019extraire l\u2019essentiel du lactos\u00e9rum, condition d\u00e9terminante pour la texture finale.<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"850\" style=\"aspect-ratio: 478 \/ 850;\" width=\"478\" autoplay controls loop muted src=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Video-2025-11-28-at-06.38.02.mp4\" playsinline><\/video><\/figure>\n\n\n\n<p>Enfin, le fromage a \u00e9t\u00e9 plac\u00e9 en cave ou en espace d\u2019affinage, pour que s\u2019op\u00e8rent la maturation des ar\u00f4mes et la formation de la p\u00e2te ou de la cro\u00fbte \u2014 une phase sensible, qui demande attention et r\u00e9gularit\u00e9 (contr\u00f4le de l\u2019humidit\u00e9, retournement, etc.).<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"8182\" src=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-1-768x1024.jpeg\" alt=\"\" class=\"wp-image-8182\" srcset=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-1-768x1024.jpeg 768w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-1-225x300.jpeg 225w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-1-1152x1536.jpeg 1152w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-1.jpeg 1512w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"8181\" src=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-768x1024.jpeg\" alt=\"\" class=\"wp-image-8181\" srcset=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-768x1024.jpeg 768w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-225x300.jpeg 225w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46-1152x1536.jpeg 1152w, https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-content\/uploads\/2025\/11\/WhatsApp-Image-2025-11-28-at-06.37.46.jpeg 1512w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Gr\u00e2ce \u00e0 cette d\u00e9marche, les \u00e9tudiants ne font pas seulement de la th\u00e9orie : ils vivent l\u2019exp\u00e9rience compl\u00e8te, ce qui concr\u00e9tise le lien entre les enseignements de laboratoire, les connaissances biologiques et chimiques, et la transformation agroalimentaire.<\/p>\n\n\n\n<p>Bravo \u00e0 tous les \u00e9tudiants \u2014 et merci \u00e0 Sandrine BRUNA.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans le cadre de la sortie scolaire relat\u00e9e pr\u00e9c\u00e9demment \u00ab De la stabulation \u00e0 la paillasse \u00bb, une partie du lait collect\u00e9 a \u00e9t\u00e9 utilis\u00e9e par les \u00e9tudiants du BTS BioALC1 du lyc\u00e9e Ren\u00e9-Josu\u00e9 Valin <a class=\"more-link\" href=\"https:\/\/www.lycee-valin.fr\/RJVALIN\/les-etudiants-de-bts-bioalc1-transforment-le-lait-en-fromage\/\">Lire plus &#8230;<\/a><\/p>\n","protected":false},"author":2,"featured_media":8182,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120,68,169],"tags":[],"class_list":["post-8176","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actions-et-evenements","category-biotechnologie","category-bts-bioalc"],"_links":{"self":[{"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/posts\/8176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/comments?post=8176"}],"version-history":[{"count":2,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/posts\/8176\/revisions"}],"predecessor-version":[{"id":8184,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/posts\/8176\/revisions\/8184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/media\/8182"}],"wp:attachment":[{"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/media?parent=8176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/categories?post=8176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lycee-valin.fr\/RJVALIN\/wp-json\/wp\/v2\/tags?post=8176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}