{"id":293,"date":"2022-08-24T09:59:28","date_gmt":"2022-08-24T07:59:28","guid":{"rendered":"http:\/\/ivangavriloff.com\/?p=293"},"modified":"2022-08-24T09:59:28","modified_gmt":"2022-08-24T07:59:28","slug":"piece-30","status":"publish","type":"post","link":"https:\/\/ivangavriloff.com\/index.php\/2022\/08\/24\/piece-30\/","title":{"rendered":"Pi\u00e8ce #30"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\"><a>Des nanoparticules cach\u00e9es dans nos assiettes<\/a><\/h4>\n\n\n\n<p>60 millions de consommateurs \u2013 2017<\/p>\n\n\n\n<p>100 % des bonbons et g\u00e2teaux que nous avons test\u00e9s contiennent du dioxyde de titane sous forme \u00ab nano \u00bb. Contrairement aux dires des fabricants.<\/p>\n\n\n\n<p><strong>Mise \u00e0 jour du 18 mai 2018\u00a0:<\/strong><\/p>\n\n\n\n<p><em>Vers l\u2019interdiction des nanoparticules de dioxyde de titane dans les aliments ?<\/em><\/p>\n\n\n\n<p><em>Le gouvernement pourrait suspendre l\u2019utilisation des nanoparticules de dioxyde de titane comme additif alimentaire d\u2019ici la fin de l\u2019ann\u00e9e. La secr\u00e9taire d\u2019\u00c9tat Brune Poirson l\u2019a annonc\u00e9 dans les colonnes du Parisien vendredi 18 mai, neuf mois apr\u00e8s nos tests montrant leur pr\u00e9sence dans des bonbons et g\u00e2teaux.<\/em><\/p>\n\n\n\n<p><em>Toutefois, cette suspension concernerait uniquement les aliments, alors que les nanoparticules de dioxyde de titane sont \u00e9galement pr\u00e9sentes dans certains m\u00e9dicaments et produits cosm\u00e9tiques.<\/em><\/p>\n\n\n\n<p><strong>Article\u00a0:<\/strong><\/p>\n\n\n\n<p>Voil\u00e0 des ann\u00e9es que l\u2019industrie agroalimentaire assure ne pas utiliser d\u2019ingr\u00e9dients \u00e0 base de nanoparticules \u2013 \u00e0 savoir des substances (oxyde de fer, silicium, dioxyde de titane, etc.) dont les plus petites particules ont un diam\u00e8tre inf\u00e9rieur \u00e0 100 nanom\u00e8tres (nm), soit un dix-millioni\u00e8me de m\u00e8tre.<\/p>\n\n\n\n<p>Soucieux de v\u00e9rifier ces all\u00e9gations, nous avons lanc\u00e9 des analyses sur dix-huit produits sucr\u00e9s. Notre choix s\u2019est port\u00e9 sur des bonbons, des g\u00e2teaux et des desserts glac\u00e9s particuli\u00e8rement appr\u00e9ci\u00e9s des enfants et susceptibles de contenir du dioxyde de titane (le colorant E171) sous forme nanoparticulaire.<\/p>\n\n\n\n<p>Des nanos dans 100 % des produits test\u00e9s<\/p>\n\n\n\n<p>R\u00e9sultat ? Tous nos \u00e9chantillons, sans exception, contiennent des nanoparticules de dioxyde de titane ! La mention \u00ab [nano] \u00bb aurait donc d\u00fb figurer sur leurs \u00e9tiquettes, conform\u00e9ment au r\u00e8glement europ\u00e9en Inco. Or, tel n\u2019est pas le cas. Soit les marques ignorent cette pr\u00e9sence dans les ingr\u00e9dients qu\u2019elles utilisent, soit elles nient le probl\u00e8me\u2026<\/p>\n\n\n\n<p>Pour en avoir le c\u0153ur net, nous avons contact\u00e9 une quinzaine d\u2019entreprises agroalimentaires sur leur usage des nanomat\u00e9riaux (additifs, nanotextures, ingr\u00e9dients nanoencapsul\u00e9s). Pr\u00e8s de la moiti\u00e9 d\u2019entre elles nous ont r\u00e9pondu, toutes affirmant ne pas utiliser de nanomat\u00e9riaux. Y compris les entreprises dont les produits de notre test pr\u00e9sentent des nanoparticules de dioxyde de titane\u2026<\/p>\n\n\n\n<p>Mauvaise foi ou ignorance ? Impossible \u00e0 savoir. Peut-\u00eatre que les industriels n\u2019ont pas acc\u00e8s \u00e0 toutes les informations aupr\u00e8s de leurs fournisseurs. Peut-\u00eatre aussi s\u2019abritent-ils derri\u00e8re une d\u00e9finition de la Commission europ\u00e9enne datant de 2011, selon laquelle un mat\u00e9riau est \u00ab nano \u00bb s\u2019il contient \u00ab au minimum 50 % de particules de dimensions comprises entre 1 nm et 100 nm \u00bb. Le r\u00e8glement europ\u00e9en Inco ne pr\u00e9voit pourtant aucun seuil minimum !<\/p>\n\n\n\n<p>R\u00e9ellement inoffensives, les nanos ?<\/p>\n\n\n\n<p>Utiliser les mat\u00e9riaux sous forme de \u00ab nanos \u00bb offre des propri\u00e9t\u00e9s nouvelles : dans les aliments, les nanoparticules aident \u00e0 modifier la couleur, l\u2019odeur, la fluidit\u00e9 ou encore la texture. Ainsi, le dioxyde de titane (E171) sous forme nano optimise l\u2019aspect blanchissant de ce colorant pour les gla\u00e7ages et enrobages de produits sucr\u00e9s ; il aide aussi \u00e0 emp\u00eacher l\u2019oxyg\u00e8ne et l\u2019humidit\u00e9 d\u2019alt\u00e9rer le produit.<\/p>\n\n\n\n<p>Mais au-del\u00e0 de leur utilit\u00e9 technologique, il faut savoir si l\u2019ingestion de nanoparticules est r\u00e9ellement inoffensive. Les \u00e9tudes actuelles ne permettent pas encore de le savoir, mais l\u2019\u00e9tau se resserre autour de certaines substances comme ce fameux dioxyde de titane.<\/p>\n\n\n\n<p>E171, un additif pr\u00e9occupant<\/p>\n\n\n\n<p>En avril dernier, l\u2019Agence nationale de s\u00e9curit\u00e9 sanitaire de l\u2019alimentation (Anses) rendait en effet un avis plut\u00f4t alarmant sur le dioxyde de titane, \u00e0 la suite d\u2019une \u00e9tude de l\u2019Institut national de la recherche agronomique (Inra) publi\u00e9e en janvier 2017. Les chercheurs ont fait ing\u00e9rer \u00e0 des rats du dioxyde de titane contenant 40-45 % de nanoparticules, \u00e0 des doses proches de celles que l\u2019homme peut ing\u00e9rer. Apr\u00e8s cent jours d\u2019exposition, ils ont observ\u00e9 que le dioxyde de titane entra\u00eenait dans le c\u00f4lon une croissance acc\u00e9l\u00e9r\u00e9e de l\u00e9sions initialement b\u00e9nignes comme les polypes.<\/p>\n\n\n\n<p>Aucune conclusion n\u2019est toutefois \u00e9tablie pour l\u2019homme sur ce potentiel effet \u00ab promoteur \u00bb de la canc\u00e9rogen\u00e8se du E171. Ni sur d\u2019autres r\u00e9sultats non moins pr\u00e9occupants, tels que le passage des nanoparticules de cet additif \u00e0 travers la barri\u00e8re intestinale. D\u2019autres \u00e9tudes sont n\u00e9cessaires pour confirmer ces premiers r\u00e9sultats. Les choses \u00e9voluent donc doucement. Mais en attendant que la transparence s\u2019impose, le plus sage pourrait \u00eatre de bannir les aliments contenant les additifs suspects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des nanoparticules cach\u00e9es dans nos assiettes 60 millions de consommateurs \u2013 2017 100 % des bonbons et g\u00e2teaux que nous avons test\u00e9s contiennent du dioxyde de titane sous forme \u00ab nano \u00bb. Contrairement aux dires des fabricants. Mise \u00e0 jour du 18 mai 2018\u00a0: Vers l\u2019interdiction des nanoparticules de dioxyde de titane dans les aliments&hellip;&nbsp;<a href=\"https:\/\/ivangavriloff.com\/index.php\/2022\/08\/24\/piece-30\/\" class=\"\" rel=\"bookmark\">Lire la suite &raquo;<span class=\"screen-reader-text\">Pi\u00e8ce #30<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-293","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pi\u00e8ce #30 - Ivan Gavriloff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ivangavriloff.com\/index.php\/2022\/08\/24\/piece-30\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pi\u00e8ce #30 - Ivan Gavriloff\" \/>\n<meta property=\"og:description\" content=\"Des nanoparticules cach\u00e9es dans nos assiettes 60 millions de consommateurs \u2013 2017 100 % des bonbons et g\u00e2teaux que nous avons test\u00e9s contiennent du dioxyde de titane sous forme \u00ab nano \u00bb. 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