{"id":390081,"date":"2021-04-19T15:55:57","date_gmt":"2021-04-19T19:55:57","guid":{"rendered":"https:\/\/mymodernmet.com\/natural-blue-dye-red-cabbage\/"},"modified":"2021-04-26T05:39:42","modified_gmt":"2021-04-26T09:39:42","slug":"colorant-bleu-naturel-chou-rouge","status":"publish","type":"post","link":"https:\/\/mymodernmet.com\/fr\/colorant-bleu-naturel-chou-rouge\/","title":{"rendered":"Des Scientifiques Cr\u00e9ent Un Colorant Bleu Enti\u00e8rement Naturel Gr\u00e2ce \u00e0 un Pigment Trouv\u00e9 dans le Chou Rouge"},"content":{"rendered":"<div id=\"attachment_387761\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-387761\" class=\"lazyload wp-image-387761 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/blue-dye-red-cabbage-0.jpg\" alt=\"Glace color&eacute;e en bleu gr&acirc;ce &agrave; un pigment trouv&eacute; dans le chou rouge\" width=\"750\" height=\"501\" srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/blue-dye-red-cabbage-0.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/blue-dye-red-cabbage-0-300x200.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-387761\" class=\"lazyload wp-image-387761 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 501&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/blue-dye-red-cabbage-0.jpg\" alt=\"Glace color&eacute;e en bleu gr&acirc;ce &agrave; un pigment trouv&eacute; dans le chou rouge\" width=\"750\" height=\"501\" data-srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/blue-dye-red-cabbage-0.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/blue-dye-red-cabbage-0-300x200.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-387761\" class=\"wp-caption-text\">Photo : Rebecca Robbins, Centre d'Innovation de Mars Wrigley Global<\/p><\/div>\n<p><span id=\"s2_1\">Alors que le monde abandonne les colorants artificiels au profit des colorants naturel, le d&eacute;fi a &eacute;t&eacute; de d&eacute;couvrir comment obtenir naturellement l&rsquo;une des couleurs les plus populaires au monde : le bleu.<\/span> Une &eacute;quipe d<span id=\"s2_2\">e chercheurs dirig&eacute;e par un &eacute;tudiant dipl&ocirc;m&eacute; de l&rsquo;UC Davis ont peut-&ecirc;tre trouv&eacute; la solution, dans un simple l&eacute;gume.<\/span>&nbsp;<span id=\"s2_3\">Dans une nouvelle &eacute;tude publi&eacute;e dans la revue <a href=\"https:\/\/advances.sciencemag.org\/content\/7\/15\/eabe7871\">Science Advances<\/a>, les chercheurs montrent comment le chou rouge peut &ecirc;tre la solution pour cr&eacute;er des nuances de cyan naturellement.<\/span><\/p>\n<p><span id=\"s2_1\">Pamela Denish de l&rsquo;UC Davis a travaill&eacute; aux c&ocirc;t&eacute;s d&rsquo;une &eacute;quipe compos&eacute;e de scientifiques de Mars Wrigley.<\/span>&nbsp;<span id=\"s2_2\">Ensemble, ils ont tourn&eacute; leur attention vers le chou rouge, qui est d&eacute;j&agrave; fr&eacute;quemment utilis&eacute; pour cr&eacute;er des colorants alimentaires rouges et violets naturels.<\/span>&nbsp;<span id=\"s2_3\">Ces colorants sont appel&eacute;s <em>anthocyanes<\/em> et les chercheurs ont travaill&eacute; pendant plus d&rsquo;une d&eacute;cennie pour isoler les anthocyanes bleus du chou.<\/span>&nbsp;<span id=\"s2_4\">Le probl&egrave;me est que la substance n&rsquo;est disponible qu&rsquo;en tr&egrave;s petites quantit&eacute;s naturellement.<\/span>&nbsp;<span id=\"s2_5\">&#8220;Les couleurs bleues sont vraiment rares dans la nature, beaucoup d&rsquo;entre elles sont en r&eacute;alit&eacute; rouges et violettes&#8221; <a href=\"https:\/\/www.ucdavis.edu\/news\/new-natural-blue-food-coloring\">explique<\/a> Denish.<\/span><\/p>\n<p>C'est l&agrave; qu'intervient le travail de Denish. Avec l'aide du Professeur Justin Siegel du d&eacute;partement de chimie et d&rsquo;innovation de l'Institut de l&rsquo;alimentation et de la sant&eacute; et deux autres &eacute;tudiants, elle a trouv&eacute; une enzyme permettant d'augmenter le volume d'anthocyanes bleues produites par le chou rouge. Tout &agrave; coup, la quantit&eacute; n'&eacute;tait plus un probl&egrave;me, et c'est l&agrave; que le projet est devenu int&eacute;ressant.<\/p>\n<div id=\"attachment_387764\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-387764\" class=\"lazyload wp-image-387764 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/red-cabbage.jpg\" alt=\"chou rouge\" width=\"750\" height=\"681\" srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/red-cabbage.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/red-cabbage-300x272.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-387764\" class=\"lazyload wp-image-387764 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 681&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/red-cabbage.jpg\" alt=\"chou rouge\" width=\"750\" height=\"681\" data-srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/red-cabbage.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/04\/red-cabbage-300x272.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-387764\" class=\"wp-caption-text\">Photo: <a href=\"https:\/\/www.shutterstock.com\/photos\" target=\"_blank\" rel=\"noopener\">Stock Photos<\/a> par Olga Guchek\/Shutterstock<\/p><\/div>\n<p><span id=\"s2_1\">Ils ont test&eacute; ce bleu cyan sur de la cr&egrave;me glac&eacute;e, du gla&ccedil;age &agrave; beignets et des bonbons au chocolat.<\/span>&nbsp;<span id=\"s2_2\">La teinte bleue s'est conserv&eacute;e pendant 30 jours, ce qui en fait une option viable pour l&rsquo;industrie alimentaire.<\/span>&nbsp;<span id=\"s2_3\">C&rsquo;est une excellente nouvelle pour l'entreprises Mars Wrigley, qui s&rsquo;est engag&eacute;e &agrave; cesser d&rsquo;utiliser des colorants artificiels dans ses produits en 2021.<\/span><\/p>\n<p><span id=\"s2_4\">&#8220;La couleur bleue est utilis&eacute;e dans plus de produits que les consommateurs ne le r&eacute;alisent,&#8221; <a href=\"https:\/\/www.sciencemag.org\/news\/2021\/04\/pigment-red-cabbage-could-help-turn-your-favorite-foods-blue\">d&eacute;clare<\/a> Rebecca Robbins, directrice scientifique chez Mars Wrigley, impliqu&eacute;e dans ce projet.<\/span>&nbsp;<span id=\"s2_5\">En fait, obtenir une bonne nuance de vert d&eacute;pend du bleu.<\/span>&nbsp;<span id=\"s2_6\">De nombreux colorants naturels actuellement utilis&eacute;s pour cr&eacute;er du vert ont des nuances violettes.<\/span>&nbsp;<span id=\"s2_7\">&#8220;Le violet et le jaune donnent du marron, donc on n'obtient pas un vert tr&egrave;s dynamique&#8221; explique Denish.<\/span><\/p>\n<p>Tandis que cette nouvelle source de couleur bleue est prometteuse, elle va devoir passer par de nombreuses &eacute;preuves avant d'arriver dans notre assiette. Cela inclut de d&eacute;terminer si elle est 100% s&ucirc;re pour la consommation humaine et de le faire passer la FDA (administration am&eacute;ricaine des denr&eacute;es alimentaires et des m&eacute;dicaments). Quoi qu'il en soit, ce projet repr&eacute;sente un bond en avant dans l&rsquo;&eacute;limination des colorants bleus artificiels comme les colorants FCF et E133.<\/p>\n<p>Remerciements : [<a href=\"https:\/\/www.designboom.com\/technology\/natural-blue-pigment-red-cabbage-replace-artificial-food-dye-04-18-2021\/\" target=\"_blank\" rel=\"noopener\">designboom<\/a>]\n<\/p>\n<h2><span style=\"text-decoration: underline;\">Article Similaire <\/span>:<\/h2>\n<p><a href=\"https:\/\/mymodernmet.com\/fr\/peinture-ultra-blanche-ralentit-le-rechauffement-climatique\/\">Voici la Peinture la Plus Blanche Jamais Con&ccedil;ue, et elle Pourrait Ralentir le R&eacute;chauffement Climatique<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alors que le monde abandonne les colorants artificiels au profit des colorants naturel, le d&eacute;fi a &eacute;t&eacute; de d&eacute;couvrir comment obtenir naturellement l&rsquo;une des couleurs les plus populaires au monde : le bleu. Une &eacute;quipe de chercheurs dirig&eacute;e par un &eacute;tudiant dipl&ocirc;m&eacute; de l&rsquo;UC Davis ont peut-&ecirc;tre trouv&eacute; la solution, dans un simple l&eacute;gume.&nbsp;Dans une [&hellip;]<\/p>\n","protected":false},"author":727,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[379648],"tags":[383287,383297,383295,383291,383293,383292,383294,383296,380202,383298,383286,383290,383288,383289,383299],"class_list":["post-390081","post","type-post","status-publish","format-standard","hentry","category-science-fr","tag-chou","tag-chou-rouge","tag-colorant-bio","tag-colorant-bleu","tag-colorant-bleu-bio","tag-colorant-bleu-naturel","tag-colorant-naturel","tag-colorant-vegan","tag-science-fr","tag-teindre-avec-chou-rouge","tag-teinture","tag-teinture-bleue","tag-teinture-naturelle","tag-teinture-naturelle-bleue","tag-teintures-naturelles-legumes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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