{"id":1418,"date":"2017-02-25T05:46:06","date_gmt":"2017-02-25T02:46:06","guid":{"rendered":"http:\/\/college-milleroches.ac-reunion.fr\/?p=1418"},"modified":"2017-02-28T09:07:10","modified_gmt":"2017-02-28T06:07:10","slug":"extraction-de-pigments-vegetaux","status":"publish","type":"post","link":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/extraction-de-pigments-vegetaux\/","title":{"rendered":"Extraction de pigments v\u00e9g\u00e9taux"},"content":{"rendered":"<p>La classe de 510, a travaill\u00e9 avec Monsieur SEVELINGE sur une s\u00e9ance d&rsquo;extraction de pigments v\u00e9g\u00e9taux.<\/p>\n<p>L&rsquo;objectif (en lien avec le 2e EPI) \u00e9tait de montrer aux \u00e9l\u00e8ves qu&rsquo;on peut obtenir une gamme assez riche de couleurs m\u00eame sans les apports de la p\u00e9trochimie ou d&rsquo;autres sources modernes de pigments.<\/p>\n<p>Voici les pigments obtenus (avec dans l&rsquo;ordre pour chaque extraction : couleur &#8211; mat\u00e9riel biologique &#8211; milieu d&rsquo;extraction) :<\/p>\n<ul>\n<li><strong>Rose<\/strong>-Pitaya-eau<\/li>\n<li><strong>Rose<\/strong> &#8211; Chou rouge &#8211; eau + acide ac\u00e9tique<\/li>\n<li><strong>Violet<\/strong> &#8211; chou rouge &#8211; eau<\/li>\n<li><strong>Bleu galactique<\/strong> (nom donn\u00e9 par les \u00e9l\u00e8ves) &#8211; chou rouge &#8211; eau + bicarbonate de soude<\/li>\n<li><strong>Orange<\/strong> &#8211; Roucou &#8211; huile<\/li>\n<li><strong>Rouge<\/strong> &#8211; Roucou &#8211; eau<\/li>\n<li><strong>Marron rouge\u00e2tre<\/strong> &#8211; s\u00e8ve oxyd\u00e9e d&rsquo;Aloe vera<\/li>\n<li><strong>Vert<\/strong> &#8211; Jawa gingseng &#8211; alcool<\/li>\n<li><strong>Vert<\/strong> &#8211; Ti Baume &#8211; Ac\u00e9tone<\/li>\n<\/ul>\n<div id=\"su_slider_69de5377e9004\" class=\"su-slider su-slider-centered su-slider-pages-yes su-slider-responsive-yes\" style=\"width:100%\" data-autoplay=\"3000\" data-speed=\"600\" data-mousewheel=\"true\"><div class=\"su-slider-slides\"><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction1.jpg\" alt=\"extraction1\" \/><\/a><\/div><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction2.jpg\" alt=\"extraction2\" \/><\/a><\/div><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction3.jpg\" alt=\"extraction3\" \/><\/a><\/div><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction4.jpg\" alt=\"extraction4\" \/><\/a><\/div><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction5.jpg\" alt=\"extraction5\" \/><\/a><\/div><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction6.jpg\" alt=\"extraction6\" \/><\/a><\/div><div class=\"su-slider-slide\"><a><img decoding=\"async\" src=\"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-content\/uploads\/sites\/19\/2017\/02\/extraction7.jpg\" alt=\"extraction7\" \/><\/a><\/div><\/div><div class=\"su-slider-nav\"><div class=\"su-slider-direction\"><span class=\"su-slider-prev\"><\/span><span class=\"su-slider-next\"><\/span><\/div><div class=\"su-slider-pagination\"><\/div><\/div><\/div>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>La classe de 510, a travaill\u00e9 avec Monsieur SEVELINGE sur une s\u00e9ance d&rsquo;extraction de pigments v\u00e9g\u00e9taux. L&rsquo;objectif (en lien avec le 2e EPI) \u00e9tait de montrer aux \u00e9l\u00e8ves qu&rsquo;on peut obtenir une gamme assez riche de couleurs m\u00eame sans les apports de la p\u00e9trochimie ou d&rsquo;autres sources modernes de pigments. Voici les pigments obtenus (avec [&hellip;]<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":13194,"featured_media":1423,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[108,106,124],"tags":[],"class_list":["post-1418","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actioneduc","category-infopeda","category-svt"],"_links":{"self":[{"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/posts\/1418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/users\/13194"}],"replies":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/comments?post=1418"}],"version-history":[{"count":3,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/posts\/1418\/revisions"}],"predecessor-version":[{"id":1428,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/posts\/1418\/revisions\/1428"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/media\/1423"}],"wp:attachment":[{"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/media?parent=1418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/categories?post=1418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etab.ac-reunion.fr\/clg-mille-roches\/wp-json\/wp\/v2\/tags?post=1418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}