{"id":4682,"date":"2026-06-03T10:05:28","date_gmt":"2026-06-03T09:05:28","guid":{"rendered":"https:\/\/descartes.tn\/?p=4682"},"modified":"2026-06-03T10:05:29","modified_gmt":"2026-06-03T09:05:29","slug":"intoxication-alimentaire-a-meknassi-quest-ce-que-lanabasine-la-substance-toxique-retrouvee-dans-l-osbane","status":"publish","type":"post","link":"https:\/\/descartes.tn\/index.php\/2026\/06\/03\/intoxication-alimentaire-a-meknassi-quest-ce-que-lanabasine-la-substance-toxique-retrouvee-dans-l-osbane\/","title":{"rendered":"Intoxication alimentaire \u00e0 Meknassi : qu\u2019est-ce que l\u2019anabasine, la substance toxique retrouv\u00e9e dans l\u2019\u00ab osbane \u00bb ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">L\u2019enqu\u00eate sur l\u2019intoxication alimentaire survenue \u00e0 Meknassi, dans le gouvernorat de Sidi Bouzid, continue de susciter de nombreuses interrogations. La Commission nationale de la s\u00e9curit\u00e9 sanitaire des produits alimentaires a annonc\u00e9 avoir d\u00e9tect\u00e9 la pr\u00e9sence d\u2019une substance toxique appel\u00e9e <strong>anabasine<\/strong> dans un \u00e9chantillon d\u2019\u00ab osbane \u00bb analys\u00e9 en laboratoire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des traces de cette m\u00eame substance ont \u00e9galement \u00e9t\u00e9 relev\u00e9es dans des \u00e9chantillons de sauce et de couscous, orientant les investigations vers une contamination d\u2019origine v\u00e9g\u00e9tale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu\u2019est-ce que l\u2019anabasine ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019anabasine est un alcalo\u00efde toxique naturellement pr\u00e9sent dans certaines plantes sauvages, notamment la <strong>Nicotiana glauca<\/strong>, plus connue sous le nom de tabac sauvage ou tabac arborescent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette plante appartient \u00e0 la m\u00eame famille botanique que le tabac. Elle contient des compos\u00e9s chimiques capables d\u2019agir directement sur le syst\u00e8me nerveux humain. Son mode d\u2019action est similaire \u00e0 celui de la nicotine, mais une exposition importante peut entra\u00eener des effets graves sur la sant\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quels sont les sympt\u00f4mes d\u2019une intoxication \u00e0 l\u2019anabasine ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Selon les r\u00e9f\u00e9rences m\u00e9dicales internationales, l\u2019intoxication \u00e0 l\u2019anabasine peut provoquer plusieurs sympt\u00f4mes, dont :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Naus\u00e9es et vomissements ;<\/li>\n\n\n\n<li>Douleurs abdominales ;<\/li>\n\n\n\n<li>Diarrh\u00e9e ;<\/li>\n\n\n\n<li>Vertiges et \u00e9tourdissements ;<\/li>\n\n\n\n<li>Transpiration excessive ;<\/li>\n\n\n\n<li>Troubles de la vision ;<\/li>\n\n\n\n<li>Perturbations du rythme cardiaque ;<\/li>\n\n\n\n<li>Baisse de la pression art\u00e9rielle ;<\/li>\n\n\n\n<li>Difficult\u00e9s respiratoires.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les cas les plus s\u00e9v\u00e8res, la substance peut affecter les muscles responsables de la respiration et provoquer une insuffisance respiratoire n\u00e9cessitant une prise en charge m\u00e9dicale urgente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment cette substance peut-elle contaminer des aliments ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les sp\u00e9cialistes estiment que ce type d\u2019intoxication survient g\u00e9n\u00e9ralement apr\u00e8s la consommation accidentelle de plantes sauvages toxiques confondues avec des v\u00e9g\u00e9taux comestibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La Nicotiana glauca pousse spontan\u00e9ment dans plusieurs r\u00e9gions et peut parfois \u00eatre r\u00e9colt\u00e9e par erreur lors de la cueillette d\u2019herbes ou de l\u00e9gumes destin\u00e9s \u00e0 la cuisine traditionnelle.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c0 quoi ressemble la plante Nicotiana glauca ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le tabac sauvage se pr\u00e9sente sous la forme d\u2019un arbuste pouvant atteindre plusieurs m\u00e8tres de hauteur. Il poss\u00e8de de grandes feuilles vertes lisses et des fleurs jaunes tubulaires caract\u00e9ristiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contrairement aux blettes ou aux \u00e9pinards, qui poussent pr\u00e8s du sol, cette plante pr\u00e9sente une structure plus ligneuse et arbustive. Les experts recommandent une vigilance particuli\u00e8re lors de la r\u00e9colte de plantes sauvages destin\u00e9es \u00e0 la consommation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Une plante d\u00e9j\u00e0 connue pour sa toxicit\u00e9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La toxicit\u00e9 de la Nicotiana glauca est document\u00e9e depuis plusieurs d\u00e9cennies. Plusieurs \u00e9tudes scientifiques ont rapport\u00e9 des cas d\u2019intoxication grave li\u00e9s \u00e0 sa consommation, parfois accompagn\u00e9s d\u2019une d\u00e9tresse respiratoire s\u00e9v\u00e8re et, dans certains cas, de d\u00e9c\u00e8s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La d\u00e9couverte d\u2019anabasine dans les aliments analys\u00e9s \u00e0 Meknassi constitue ainsi une piste importante pour comprendre les causes exactes de cet \u00e9pisode d\u2019intoxication alimentaire qui a marqu\u00e9 la r\u00e9gion de Sidi Bouzid.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019enqu\u00eate sur l\u2019intoxication alimentaire survenue \u00e0 Meknassi, dans le gouvernorat de Sidi Bouzid, continue de susciter de nombreuses interrogations. La Commission nationale de la s\u00e9curit\u00e9 sanitaire des produits alimentaires a annonc\u00e9 avoir d\u00e9tect\u00e9 la pr\u00e9sence d\u2019une substance toxique appel\u00e9e anabasine dans un \u00e9chantillon d\u2019\u00ab osbane \u00bb analys\u00e9 en laboratoire. Des traces de cette m\u00eame substance [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4683,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Intoxication alimentaire \u00e0 Meknassi : qu\u2019est-ce que l\u2019anabasine, la substance toxique retrouv\u00e9e dans l\u2019\u00ab osbane \u00bb ? - Descartes.tn<\/title>\n<meta name=\"description\" content=\"L\u2019anabasine, une substance toxique pr\u00e9sente dans le tabac sauvage (Nicotiana glauca), a \u00e9t\u00e9 d\u00e9tect\u00e9e dans des aliments analys\u00e9s apr\u00e8s l\u2019intoxication alimentaire de Meknassi \u00e0 Sidi Bouzid. 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