{"id":11431172,"date":"2026-11-04T10:51:45","date_gmt":"2026-11-04T09:51:45","guid":{"rendered":"https:\/\/alertdiver.eu\/?p=11431172"},"modified":"2026-11-04T12:16:16","modified_gmt":"2026-11-04T11:16:16","slug":"les-bienfaits-du-chocolat-noir-pour-les-plongeurs-ce-quune-etude-dan-a-decouvert","status":"publish","type":"post","link":"https:\/\/alertdiver.eu\/fr_FR\/articles\/les-bienfaits-du-chocolat-noir-pour-les-plongeurs-ce-quune-etude-dan-a-decouvert\/","title":{"rendered":"Les bienfaits du chocolat noir pour les plongeurs : ce qu\u2019une \u00e9tude DAN a d\u00e9couvert"},"content":{"rendered":"<p data-renderer-start-pos=\"4426\" data-local-id=\"6f1777f55e1f\">La recherche a fait \u00e9voluer bon nombre des pratiques des plongeurs en mati\u00e8re de pr\u00e9paration et de r\u00e9cup\u00e9ration apr\u00e8s une plong\u00e9e. L\u2019hydratation en est un exemple : autrefois consid\u00e9r\u00e9e comme un simple conseil amical, on sait d\u00e9sormais que <a class=\"_2hGPVj98eZ _2i3C1kYbGa _2kH23qT6kp _1ubuxonXvL _34b3D2vc3e _1NDpvb6wH8 _2wtOC9vc3e _3e11vU6wH8 _0hSAgbHZdu _00uqCY98eZ _3xtjKN0Rl6 _0H9qDF6wH8 _24h04i2Njc _1mT5xdRAKS _0bjKvDcjp5 _0WKd3G4z3T _23rrnHo10F _1UtDYzM7Tp _32C2rk98eZ _0i9AWA0Rl6 _0mm6KQ6wH8 _10n1R5M7Tp _0DCa9DjOvk _3932vv0Rl6 _02cRtH6wH8 _1B4rbIo10F _0clgaMM7Tp _3WzCGijOvk _0NqVRt0Rl6 _3BKYwu6wH8 _3sFUREDdj4 _0CMRbkAwSC _2nTuUYWfPD _3ADzdEWfPD _1warJ9WfPD _4scvAwWyeI\" title=\"https:\/\/www.daneurope.org\/fr\/hydratation\/\" href=\"https:\/\/www.daneurope.org\/fr\/hydratation\/\" data-renderer-mark=\"true\" data-is-router-link=\"false\" data-testid=\"link-with-safety\">la d\u00e9shydratation est un facteur de risque des accidents de d\u00e9compression (ADD)<\/a> et qu\u2019elle doit \u00eatre \u00e9vit\u00e9e. La plupart des questions li\u00e9es \u00e0 la nutrition et \u00e0 la plong\u00e9e n\u2019ont pas encore trouv\u00e9 de r\u00e9ponse d\u00e9finitive : il existe des \u00e9tudes ponctuelles, des pistes int\u00e9ressantes et des travaux en cours. Le chocolat noir en fait partie. Certains membres de l&rsquo;\u00e9quipe de recherche de DAN se sont pench\u00e9s sur la question il y a quelques ann\u00e9es, et leurs conclusions m\u00e9ritent d&rsquo;\u00eatre r\u00e9examin\u00e9es.<\/p>\n<div class=\"_3iDTPbvLZJ renderer-heading-wrapper\" data-testid=\"renderer-heading-wrapper\" data-level=\"2\">\n<h2 id=\"Une-question-de-bulles\" tabindex=\"-1\" data-local-id=\"bf4b9484bc00\" data-renderer-start-pos=\"5158\">Une question de bulles<\/h2>\n<\/div>\n<p data-renderer-start-pos=\"5182\" data-local-id=\"df0c792f506d\">Chaque plong\u00e9e, m\u00eame la plus simple dans les limites de la non-d\u00e9compression, g\u00e9n\u00e8re des bulles : les gaz inertes se s\u00e9parent de la solution lorsque la pression diminue, formant des emboles gazeux veineux que l\u2019organisme \u00e9limine normalement sans sympt\u00f4mes. Cependant, des recherches \u00e9tablissent de plus en plus un lien entre la formation de bulles et une r\u00e9ponse au stress au niveau de l\u2019endoth\u00e9lium, cette fine couche cellulaire qui tapisse chaque vaisseau sanguin et r\u00e9gule le tonus vasomoteur gr\u00e2ce \u00e0 la production d\u2019oxyde nitrique (NO). Apr\u00e8s une plong\u00e9e, les performances endoth\u00e9liales baissent temporairement de mani\u00e8re r\u00e9guli\u00e8re, on parle alors de dysfonction endoth\u00e9liale. Bien que ce ph\u00e9nom\u00e8ne soit imperceptible et qu\u2019il se r\u00e9sorbe g\u00e9n\u00e9ralement de lui-m\u00eame, il constitue un signe mesurable du stress physiologique que la plong\u00e9e fait subir \u00e0 l\u2019organisme.<\/p>\n<div class=\"_3iDTPbvLZJ renderer-heading-wrapper\" data-testid=\"renderer-heading-wrapper\" data-level=\"2\">\n<h2 id=\"Quand-la-f\u00e8ve-de-cacao-entre-en-sc\u00e8ne\" tabindex=\"-1\" data-local-id=\"0bdbe5cc8068\" data-renderer-start-pos=\"6048\">Quand la f\u00e8ve de cacao entre en sc\u00e8ne<\/h2>\n<\/div>\n<p data-renderer-start-pos=\"6087\" data-local-id=\"e0bfe30a49b7\">En 2015, une \u00e9quipe belge dirig\u00e9e par Sigrid Theunissen et Costantino Balestra (vice-pr\u00e9sident de DAN Europe Research) s&rsquo;est pos\u00e9 une question originale : les antioxydants pr\u00e9sents dans le chocolat noir pourraient-ils att\u00e9nuer le stress endoth\u00e9lial post-plong\u00e9e ? Le cacao est riche en flavanols, des compos\u00e9s v\u00e9g\u00e9taux connus pour favoriser la circulation sanguine et la fonction vasomotrice du monoxyde d&rsquo;azote.<\/p>\n<p data-renderer-start-pos=\"6501\" data-local-id=\"81d16062b839\">Dans le cadre de cette \u00e9tude, 42 plongeurs de sexe masculin ont \u00e9t\u00e9 r\u00e9partis en deux groupes : l&rsquo;un a plong\u00e9 sans intervention, tandis que l&rsquo;autre a consomm\u00e9 30 grammes de chocolat noir environ 90 minutes avant la plong\u00e9e. Avant et apr\u00e8s chaque plong\u00e9e, l&rsquo;\u00e9quipe de chercheurs a mesur\u00e9 la dilatation flux-d\u00e9pendante (DFD), qui est le marqueur de r\u00e9f\u00e9rence de la sant\u00e9 endoth\u00e9liale, ainsi que les taux de monoxyde d&rsquo;azote et de peroxynitrite (sous-produit du stress oxydatif) pr\u00e9sents dans le sang.<\/p>\n<p data-renderer-start-pos=\"7000\" data-local-id=\"21bf5bc5e8b6\">Le groupe t\u00e9moin a pr\u00e9sent\u00e9 l&rsquo;\u00e9volution attendue : la DFD a baiss\u00e9 apr\u00e8s la plong\u00e9e, parall\u00e8lement \u00e0 une diminution des mol\u00e9cules protectrices. Le groupe \u00ab chocolat \u00bb, quant \u00e0 lui, a montr\u00e9 une \u00e9volution diff\u00e9rente : la DFD a augment\u00e9, le taux de monoxyde d&rsquo;azote a augment\u00e9, et les marqueurs de stress oxydatif, qui avaient augment\u00e9 dans le groupe t\u00e9moin, sont rest\u00e9s stables.<\/p>\n<p data-renderer-start-pos=\"7379\" data-local-id=\"e3167ceabbbe\">Une \u00e9tude compl\u00e9mentaire, men\u00e9e en grande partie par la m\u00eame \u00e9quipe, a mis en \u00e9vidence un effet similaire chez des apn\u00e9istes effectuant des plong\u00e9es r\u00e9p\u00e9t\u00e9es en eau froide : m\u00eame dose, m\u00eame moment d&rsquo;administration, m\u00eame effet protecteur. Conclusion des chercheurs : <strong data-renderer-mark=\"true\">le chocolat noir consomm\u00e9 avant la plong\u00e9e semble r\u00e9duire la dysfonction endoth\u00e9liale<\/strong> g\u00e9n\u00e9ralement observ\u00e9e apr\u00e8s celle-ci, tr\u00e8s probablement parce que ses antioxydants contribuent \u00e0 neutraliser les radicaux libres g\u00e9n\u00e9r\u00e9s par la plong\u00e9e.<\/p>\n<p data-renderer-start-pos=\"7885\" data-local-id=\"7a6d4a9bf072\"><a class=\"_2hGPVj98eZ _2i3C1kYbGa _2kH23qT6kp _1ubuxonXvL _34b3D2vc3e _1NDpvb6wH8 _2wtOC9vc3e _3e11vU6wH8 _0hSAgbHZdu _00uqCY98eZ _3xtjKN0Rl6 _0H9qDF6wH8 _24h04i2Njc _1mT5xdRAKS _0bjKvDcjp5 _0WKd3G4z3T _23rrnHo10F _1UtDYzM7Tp _32C2rk98eZ _0i9AWA0Rl6 _0mm6KQ6wH8 _10n1R5M7Tp _0DCa9DjOvk _3932vv0Rl6 _02cRtH6wH8 _1B4rbIo10F _0clgaMM7Tp _3WzCGijOvk _0NqVRt0Rl6 _3BKYwu6wH8 _3sFUREDdj4 _0CMRbkAwSC _2nTuUYWfPD _3ADzdEWfPD _1warJ9WfPD _4scvAwWyeI\" title=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25964032\/\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25964032\/\" data-renderer-mark=\"true\" data-is-router-link=\"false\" data-testid=\"link-with-safety\">Lire la publication scientifique compl\u00e8te (en anglais uniquement)<\/a><\/p>\n<p data-renderer-start-pos=\"2507\" data-local-id=\"3e13813382b3\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-11431140\" src=\"https:\/\/alertdiver.eu\/wp-content\/uploads\/2026\/11\/scubachocolate_1500.jpg\" alt=\"\" width=\"1500\" height=\"844\" srcset=\"https:\/\/alertdiver.eu\/wp-content\/uploads\/2026\/11\/scubachocolate_1500.jpg 1500w, https:\/\/alertdiver.eu\/wp-content\/uploads\/2026\/11\/scubachocolate_1500-300x169.jpg 300w, https:\/\/alertdiver.eu\/wp-content\/uploads\/2026\/11\/scubachocolate_1500-768x432.jpg 768w, https:\/\/alertdiver.eu\/wp-content\/uploads\/2026\/11\/scubachocolate_1500-700x394.jpg 700w, https:\/\/alertdiver.eu\/wp-content\/uploads\/2026\/11\/scubachocolate_1500-539x303.jpg 539w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/p>\n<div class=\"_3iDTPbvLZJ renderer-heading-wrapper\" data-testid=\"renderer-heading-wrapper\" data-level=\"2\">\n<div class=\"_3iDTPbvLZJ renderer-heading-wrapper\" data-testid=\"renderer-heading-wrapper\" data-level=\"2\">\n<h2 id=\"En-toute-honn\u00eatet\u00e9\" tabindex=\"-1\" data-local-id=\"24fc832aebf7\" data-renderer-start-pos=\"7952\">En toute honn\u00eatet\u00e9<\/h2>\n<\/div>\n<p data-renderer-start-pos=\"7972\" data-local-id=\"780297222a12\">Il est important de pr\u00e9ciser que cette \u00e9tude a \u00e9valu\u00e9 la fonction endoth\u00e9liale, et non le risque d&rsquo;accident de d\u00e9compression (ADD), et qu&rsquo;elle n&rsquo;avait pas pour objectif de d\u00e9terminer si le chocolat r\u00e9duisait directement ce risque. Le chocolat noir ne remplace en aucun cas un profil de plong\u00e9e prudent, le palier de s\u00e9curit\u00e9 ou le bon sens. Ce que cette \u00e9tude sugg\u00e8re toutefois, c&rsquo;est que de simples choix alimentaires semblent apporter au syst\u00e8me cardiovasculaire une aide mesurable face \u00e0 l&rsquo;une des contraintes physiologiques de la plong\u00e9e.<\/p>\n<div class=\"_3iDTPbvLZJ renderer-heading-wrapper\" data-testid=\"renderer-heading-wrapper\" data-level=\"2\">\n<h2 id=\"Du-laboratoire-aux-sites-de-plong\u00e9e-:-lancement-de-Scubachocolate\" tabindex=\"-1\" data-local-id=\"0d15cc9fc491\" data-renderer-start-pos=\"8516\">Du laboratoire aux sites de plong\u00e9e : lancement de Scubachocolate<\/h2>\n<\/div>\n<p data-renderer-start-pos=\"8583\" data-local-id=\"7b10e3c1644d\">Nous avons relu l&rsquo;\u00e9tude et avons d\u00e9cid\u00e9 de la mettre en pratique. C&rsquo;est ainsi qu&rsquo;est n\u00e9 <strong data-renderer-mark=\"true\">Scubachocolate<\/strong>, produit en partenariat avec un chocolatier suisse : des tablettes de 10 grammes \u00e0 90 % de cacao, pratiques et faciles \u00e0 emporter. Il s&rsquo;agit l\u00e0, bien s\u00fbr, d&rsquo;un clin d&rsquo;\u0153il au protocole utilis\u00e9 dans l&rsquo;\u00e9tude originale. Une habitude facile \u00e0 int\u00e9grer aux pr\u00e9paratifs pr\u00e9-plong\u00e9e, au m\u00eame titre que les v\u00e9rifications et les briefings.<\/p>\n<p data-renderer-start-pos=\"9017\" data-local-id=\"112f929c1981\">D\u00e8s cette saison, les adh\u00e9rents DAN Europe pourront trouver les mini-barres Scubachocolate lors de salons, conf\u00e9rences et \u00e9v\u00e9nements consacr\u00e9s \u00e0 la plong\u00e9e \u00e0 travers l&rsquo;Europe.<\/p>\n<p data-renderer-start-pos=\"9194\" data-local-id=\"c5b0c2539009\">Cela ne remplacera pas votre sandwich d\u00e9vor\u00e9 \u00e0 l&rsquo;intervalle de surface. Mais la prochaine fois que quelqu&rsquo;un fera une blague sur le fait de manger du chocolat avant de plonger, vous aurez des donn\u00e9es scientifiques pour \u00e9tayer vos propos.<\/p>\n<\/div>\n<hr role=\"presentation\" \/>\n<p data-renderer-start-pos=\"10277\" data-local-id=\"3650285d98ce\"><em data-renderer-mark=\"true\"><strong data-renderer-mark=\"true\">R\u00e9f\u00e9rences<\/strong><\/em><\/p>\n<ul>\n<li data-renderer-start-pos=\"10291\" data-local-id=\"ddbbc5f638f3\">Theunissen S, Balestra C, Boutros A, De Bels D, Guerrero F, Germonpr\u00e9 P. The effect of pre-dive ingestion of dark chocolate on endothelial function after a scuba dive. <em data-renderer-mark=\"true\">Diving Hyperb Med<\/em>. 2015 Mar;45(1):4-9. PMID: 25964032.<\/li>\n<li data-renderer-start-pos=\"10517\" data-local-id=\"233f416474b7\">Theunissen S, Schumacker J, Guerrero F, et al. Dark chocolate reduces endothelial dysfunction after successive breath-hold dives in cool water. <em data-renderer-mark=\"true\">Eur J Appl Physiol<\/em>. 2013.<\/li>\n<li data-renderer-start-pos=\"10690\" data-local-id=\"835da9c8def3\">Wekre SL, Landsverk HD, Lautridou J, Hjelde A, Imbert JP, Balestra C &amp; Eftedal I. (2022). Hydration status during commercial saturation diving measured by bioimpedance and urine specific gravity. <em data-renderer-mark=\"true\">Front Physiol<\/em> <strong data-renderer-mark=\"true\">13,<\/strong> 971757.<\/li>\n<li data-renderer-start-pos=\"10915\" data-local-id=\"de73417886c1\">Gempp E, Blatteau JE, Pontier JM, Balestra C &amp; Louge P. (2009). Preventive effect of pre-dive hydration on bubble formation in divers. <em data-renderer-mark=\"true\">British journal of sports medicine<\/em> <strong data-renderer-mark=\"true\">43,<\/strong> 224\u2013228.<\/li>\n<\/ul>\n<hr \/>\n<p><strong data-renderer-mark=\"true\">Traductrice :\u00a0<\/strong><a class=\"_2hGPVj98eZ _2i3C1kYbGa _2kH23qT6kp _1ubuxonXvL _34b3D2vc3e _1NDpvb6wH8 _2wtOC9vc3e _3e11vU6wH8 _0hSAgbHZdu _00uqCY98eZ _3xtjKN0Rl6 _0H9qDF6wH8 _24h04i2Njc _1mT5xdRAKS _0bjKvDcjp5 _0WKd3G4z3T _23rrnHo10F _1UtDYzM7Tp _32C2rk98eZ _0i9AWA0Rl6 _0mm6KQ6wH8 _10n1R5M7Tp _0DCa9DjOvk _3932vv0Rl6 _02cRtH6wH8 _1B4rbIo10F _0clgaMM7Tp _3WzCGijOvk _0NqVRt0Rl6 _3BKYwu6wH8 _3sFUREDdj4 _0CMRbkAwSC _2nTuUYWfPD _3ADzdEWfPD _1warJ9WfPD _4scvAwWyeI\" title=\"https:\/\/worldadventuredivers.com\/fr\/\" href=\"https:\/\/worldadventuredivers.com\/fr\/\" data-renderer-mark=\"true\" data-is-router-link=\"false\" data-testid=\"link-with-safety\">Florine Quirion<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude scientifique a fait la d\u00e9couverte il y a quelques ann\u00e9es qu\u2019un petit carr\u00e9 de chocolat noir, mang\u00e9 avant une plong\u00e9e, pouvait \u00eatre associ\u00e9 avec de meilleurs niveaux de marqueurs cardiovasculaires apr\u00e8s la plong\u00e9e. Voici ce qu\u2019elle d\u00e9montre, mais aussi ce qu\u2019elle ne dit pas.<\/p>\n","protected":false},"author":9,"featured_media":11431171,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[386],"tags":[1849],"authors":[825],"class_list":["post-11431172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","tag-dan-research-fr_fr","authors-cristian-pellegrini"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les bienfaits du chocolat noir en plong\u00e9e selon les chercheurs DAN<\/title>\n<meta name=\"description\" content=\"Une \u00e9tude men\u00e9e par DAN Europe sur le chocolat noir a mis en \u00e9vidence ses bienfaits pour la sant\u00e9 cardiovasculaire des plongeurs et a inspir\u00e9 la cr\u00e9ation des nouvelles tablettes 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