{"id":423,"date":"2023-05-30T14:19:52","date_gmt":"2023-05-30T18:19:52","guid":{"rendered":"https:\/\/herbasimple.com\/blog\/?p=423"},"modified":"2023-08-15T10:52:45","modified_gmt":"2023-08-15T14:52:45","slug":"leau-comme-solvant-universel","status":"publish","type":"post","link":"https:\/\/herbasimple.com\/blog\/leau-comme-solvant-universel\/","title":{"rendered":"L&rsquo;eau comme solvant universel"},"content":{"rendered":"\n<p>Dans cet article, je vous explique en quoi l&rsquo;eau est un solvant universel et je vous pr\u00e9sente le concept de polarit\u00e9 qui est \u00e0 la source du principe de solubilit\u00e9. Ensuite, je vous donne des exemples de substances qui se solubilisent dans l\u2019eau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L&rsquo;eau <\/strong>comme <strong>solvant universel<\/strong><\/h2>\n\n\n\n<p>Nous savons bien que l\u2019eau ne dissous pas tout, sinon nous nous retrouverions tous sous forme liquide sous la pluie ! Mais quand m\u00eame, l\u2019eau peut dissoudre une tr\u00e8s grande vari\u00e9t\u00e9 de substances et plusieurs de celles-ci sont indispensables \u00e0 notre survie. <strong>C\u2019est l\u2019eau qui v\u00e9hicule la plupart des \u00e9l\u00e9ments nutritifs pour nous, les animaux et les plantes. Parce qu\u2019elle joue un r\u00f4le central dans ce processus et qu\u2019elle dissout \u00e9norm\u00e9ment de mol\u00e9cules qui nous sont utiles, nous l\u2019avons qualifi\u00e9e de solvant universel.<\/strong> Il n\u2019y a pas d\u2019autre substance connue qui est aussi versatile que l\u2019eau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>L&rsquo;eau, une mol\u00e9cule polaire<\/strong><\/h2>\n\n\n\n<p>Qu\u2019est-ce qui lui permet d\u2019avoir cette facult\u00e9 particuli\u00e8re ? L\u2019eau est form\u00e9e d\u2019un atome d\u2019oxyg\u00e8ne et de deux atomes d\u2019hydrog\u00e8ne.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"640\" height=\"480\" data-src=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?resize=640%2C480&#038;ssl=1\" alt=\"\" class=\"wp-image-957 lazyload\" data-srcset=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?w=1600&amp;ssl=1 1600w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/EAU-MOLECULE.png?w=1280&amp;ssl=1 1280w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/480;\" \/><figcaption class=\"wp-element-caption\">Mol\u00e9cule d&rsquo;eau : atome d&rsquo;oxyg\u00e8ne et 2 atomes d&rsquo;hydrog\u00e8ne<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><strong>Atome d&rsquo;oxyg\u00e8ne<\/strong><\/h3>\n\n\n\n<p>L\u2019atome d\u2019oxyg\u00e8ne contient 8 protons (8P), 8 neutrons (8N) et 8 \u00e9lectrons (8e-). Les protons ont une charge positive (+), les neutrons ont une charge neutre et les \u00e9lectrons ont une charge n\u00e9gative (-). <\/p>\n\n\n\n<p>Le noyau (<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">cercle rouge)<\/mark> rassemble les protons (P) et les neutrons (N). <\/p>\n\n\n\n<p>Les \u00e9lectrons (e-) se trouvent autour du noyau. <\/p>\n\n\n\n<p>Les \u00e9lectrons s\u2019agencent g\u00e9om\u00e9triquement autour du noyau selon des mod\u00e8les pr\u00e9d\u00e9termin\u00e9s que l\u2019on appelle \u00aborbitales \u00e9lectroniques\u00bb. Ce sont des mod\u00e8les statistiques, et non pas la r\u00e9alit\u00e9, mais cette fa\u00e7on de les repr\u00e9senter nous permet d&rsquo;illustrer comment les atomes peuvent faire des liens entre-eux. Sur le dessin, les orbitales sont repr\u00e9sent\u00e9es par des cercles avec des e-. Seuls les \u00e9lectrons sur le cercle ext\u00e9rieur font des liens avec d&rsquo;autres atomes.<\/p>\n\n\n\n<p>Je mentionne ceci car la forme en \u00ab V \u00bb de la mol\u00e9cule d\u2019eau est due \u00e0 l\u2019agencement de ses orbitales \u00e9lectroniques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Atome d&rsquo;hydrog\u00e8ne<\/strong><\/h3>\n\n\n\n<p>L\u2019atome d\u2019hydrog\u00e8ne est quant \u00e0 lui, le plus simple des atomes, son noyau (<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-cyan-bluish-gray-color\">cercle gris<\/mark>) contient 1 proton (1P) et 1 \u00e9lectron (e-).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Mol\u00e9cule d&rsquo;eau <\/strong><\/h3>\n\n\n\n<p>L&rsquo;oxyg\u00e8ne a donc 6 \u00e9lectrons (e-) sur son orbitale ext\u00e9rieure qui sont disponibles pour faire des liens (parce que les 2 autres sont sur le cercle int\u00e9rieur). Mais l&rsquo;id\u00e9al pour l&rsquo;oxyg\u00e8ne est d&rsquo;avoir 8 \u00e9lectrons (e-) dans son orbitale ext\u00e9rieure, cela lui donne ainsi une plus grande stabilit\u00e9 et il en sera plus satisfait. Il va donc chercher \u00e0 combler son manque en faisant des liens avec d&rsquo;autres atomes. Chaque hydrog\u00e8ne a 1 \u00e9lectron alors \u00e7a lui en prend 2 pour le contenter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Attraction des \u00e9lectrons : une mol\u00e9cule polaire<\/strong><\/h3>\n\n\n\n<p>Mais l&rsquo;oxyg\u00e8ne ne veut pas partager \u00e9quitablement les \u00e9lectrons, il veut les garder pour lui et les attire fortement. L&rsquo;hydrog\u00e8ne ne contient que 1 proton (+) pour retenir son \u00e9lectron, il ne fait par le poids par rapport \u00e0 la force d&rsquo;attraction de l&rsquo;oxyg\u00e8ne. Les \u00e9lectrons vont donc se d\u00e9localis\u00e9s vers l\u2019oxyg\u00e8ne cr\u00e9ant ainsi un p\u00f4le positif (+) et un p\u00f4le n\u00e9gatif (-) parce que la mol\u00e9cule est en forme de \u00abV\u00bb. <\/p>\n\n\n\n<p>C\u2019est ce qu\u2019on appelle une <strong>mol\u00e9cule polaire car elle a deux p\u00f4les.<\/strong> En fait, c\u2019est comme un <strong>tout petit aimant, elle est magn\u00e9tique !<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"640\" height=\"326\" data-src=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?resize=640%2C326&#038;ssl=1\" alt=\"\" class=\"wp-image-425 lazyload\" data-srcset=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?resize=1024%2C521&amp;ssl=1 1024w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?resize=300%2C153&amp;ssl=1 300w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?resize=768%2C390&amp;ssl=1 768w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?resize=1536%2C781&amp;ssl=1 1536w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?resize=118%2C60&amp;ssl=1 118w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/eau-mrq.png?w=1280&amp;ssl=1 1280w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/326;\" \/><figcaption class=\"wp-element-caption\">L&rsquo;eau agit comme un aimant !<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><strong>Le pouvoir de solubilisation<\/strong><\/h2>\n\n\n\n<p>Si on met plusieurs mol\u00e9cules ensemble, les contraires vont s\u2019attirer, les p\u00f4les positifs vont s\u2019agencer avec les p\u00f4les n\u00e9gatifs et vice-versa. C\u2019est ce ph\u00e9nom\u00e8ne qui est \u00e0 l\u2019origine du pouvoir de solubilisation de l\u2019eau. Les mol\u00e9cules d\u2019eau vont s\u2019agencer autour de la substance \u00e0 dissoudre, l\u2019entourer et la solubiliser. L\u2019eau va avoir plus de facilit\u00e9 \u00e0 solubiliser les substances qui sont polaires comme elle. Plus la mol\u00e9cule est petite et polaire et plus elle sera soluble dans l\u2019eau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Solubilisation ionique \u2013 les sels<\/strong><\/h3>\n\n\n\n<p>Si on veut illustrer ce qui se passe avec un exemple concret, on peut prendre le sel de table qui est de la formule mol\u00e9culaire, NaCl. Dans ce cas, le chlore (Cl) va prendre un \u00e9lectron au sodium (Na) d\u2019un commun accord car c\u2019est leur pr\u00e9f\u00e9rence \u00e0 chacun (pour atteindre meilleure stabilit\u00e9) et la mol\u00e9cule va totalement se dissocier dans l\u2019eau pour former des ions. Ensuite, les mol\u00e9cules d\u2019eau vont s\u2019agencer autour des ions Na<sup>+<\/sup> et Cl<sup>&#8211;<\/sup> pour les entourer et les solubiliser. Ce sc\u00e9nario s\u2019applique \u00e0 plusieurs sels min\u00e9raux et sels organiques tels que&nbsp;: chlorure de potassium, bicarbonate de sodium, citrate de magn\u00e9sium, gluconate de calcium, picolinate de zinc, etc.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"640\" height=\"259\" data-src=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/solubilisation-nacl.png?resize=640%2C259&#038;ssl=1\" alt=\"\" class=\"wp-image-426 lazyload\" data-srcset=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/solubilisation-nacl.png?resize=1024%2C415&amp;ssl=1 1024w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/solubilisation-nacl.png?resize=300%2C122&amp;ssl=1 300w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/solubilisation-nacl.png?resize=768%2C312&amp;ssl=1 768w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/solubilisation-nacl.png?resize=148%2C60&amp;ssl=1 148w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/solubilisation-nacl.png?w=1134&amp;ssl=1 1134w\" data-sizes=\"(max-width: 640px) 100vw, 640px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 640px; --smush-placeholder-aspect-ratio: 640\/259;\" \/><figcaption class=\"wp-element-caption\">Solubilisation du sel (NaCl)<\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\"><strong>Solubilisation avec les ponts d\u2019hydrog\u00e8ne<\/strong><\/h3>\n\n\n\n<p>Lorsque la mol\u00e9cule ne se dissocie pas totalement (parce que ce n\u2019est pas un sel), elle va former des liaisons \u00e9lectrostatiques avec l\u2019eau que l\u2019on appelle ponts d\u2019hydrog\u00e8ne. Ce ne sont pas des liens aussi forts qu\u2019entre les atomes d\u2019une mol\u00e9cule. Ce sont des liens d\u2019attraction qui se forment et qui se brisent plus facilement. On en voit \u00e0 l\u2019int\u00e9rieur d\u2019une m\u00eame mol\u00e9cule et entre les mol\u00e9cules voisines. Elles ont entre-autre un r\u00f4le \u00e0 jouer sur l\u2019agencement en trois dimension des mol\u00e9cules et leur cristallisation. L\u2019eau va solubiliser les substances avec lesquelles elle peut faire ce type de lien.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"585\" height=\"395\" data-src=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/pont-h-mrq.png?resize=585%2C395&#038;ssl=1\" alt=\"\" class=\"wp-image-427 lazyload\" data-srcset=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/pont-h-mrq.png?w=585&amp;ssl=1 585w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/pont-h-mrq.png?resize=300%2C203&amp;ssl=1 300w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/05\/pont-h-mrq.png?resize=89%2C60&amp;ssl=1 89w\" data-sizes=\"(max-width: 585px) 100vw, 585px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 585px; --smush-placeholder-aspect-ratio: 585\/395;\" \/><figcaption class=\"wp-element-caption\">Pont hydrog\u00e8ne (ligne pointill\u00e9e) entre 2 mol\u00e9cules d&rsquo;eau<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Exemple avec le glucose (sucre de table):<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"162\" height=\"165\" data-src=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/glucose.png?resize=162%2C165&#038;ssl=1\" alt=\"\" class=\"wp-image-959 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 162px; --smush-placeholder-aspect-ratio: 162\/165;\" \/><figcaption class=\"wp-element-caption\">Mol\u00e9cule de glucose<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Le glucose a plusieurs liens O-H tout comme l\u2019eau, les mol\u00e9cules d\u2019eau pourront donc tisser plusieurs ponts d\u2019hydrog\u00e8ne. Le glucose se retrouve compl\u00e8tement entour\u00e9 de mol\u00e9cules d&rsquo;eau et se dissous.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"539\" height=\"305\" data-src=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/solubilisation-glucose.png?resize=539%2C305&#038;ssl=1\" alt=\"\" class=\"wp-image-960 lazyload\" data-srcset=\"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/solubilisation-glucose.png?w=539&amp;ssl=1 539w, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2023\/08\/solubilisation-glucose.png?resize=300%2C170&amp;ssl=1 300w\" data-sizes=\"(max-width: 539px) 100vw, 539px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 539px; --smush-placeholder-aspect-ratio: 539\/305;\" \/><figcaption class=\"wp-element-caption\">Dissolution du glucose dans l&rsquo;eau<\/figcaption><\/figure>\n<\/div>\n\n\n<p>L\u2019eau peut former \u00e9galement des ponts d\u2019hydrog\u00e8ne avec plusieurs types d\u2019atomes tels que l\u2019azote (N), le soufre (S) et bien s\u00fbr l\u2019oxyg\u00e8ne (O). L\u2019important \u00e0 retenir c\u2019est que la solubilit\u00e9 dans l\u2019eau augmente avec la polarit\u00e9 de la mol\u00e9cule.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Plantes m\u00e9dicinales&nbsp;: qu\u2019est-ce qui se solubilise dans l\u2019eau ?<\/strong><\/h2>\n\n\n\n<p>La difficult\u00e9 lorsque l\u2019on travaille avec les plantes m\u00e9dicinales, c\u2019est la diversit\u00e9 des mol\u00e9cules qu\u2019elles contiennent. Qui plus est, nous ne sommes pas toujours certains de savoir laquelle serait la plus importante pour notre besoin car il y a beaucoup de synergies possibles. Nous pouvons tout de m\u00eame rassembler les mol\u00e9cules par groupe et famille pour se faciliter un peu la vie. Vous trouverez les principales composantes qui se solubilisent dans l\u2019eau dans le tableau ci-bas. &nbsp;<\/p>\n\n\n\n<p>Note importante: Il peut y avoir plusieurs exceptions \u00e0 l\u2019int\u00e9rieur d\u2019un groupe.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\" colspan=\"3\"><strong>Tableau 1&nbsp;: Solubilit\u00e9 des substances dans l\u2019eau<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Groupe<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Exemples<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Solubilit\u00e9 dans l\u2019eau<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Sels min\u00e9raux et sels organiques<\/td><td class=\"has-text-align-center\" data-align=\"center\">Sel de table, gluconate de calcium, citrate de magn\u00e9sium, picolinate de zinc<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tr\u00e8s solubles \u00e0 assez bien solubles<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Glucides<\/td><td class=\"has-text-align-center\" data-align=\"center\">Glucose, fructose, sucrose<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tr\u00e8s solubles<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Oligosaccharides<\/td><td class=\"has-text-align-center\" data-align=\"center\">Inuline (pissenlit, chicor\u00e9e)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles en eau chaude <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Polysaccharides<\/td><td class=\"has-text-align-center\" data-align=\"center\">Mucilages, gommes, pectine<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles en eau froide <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Acides organiques<\/td><td class=\"has-text-align-center\" data-align=\"center\">Acide citrique, acide malique, acide ascorbique (vitamine C)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tr\u00e8s solubles<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Acides amin\u00e9s<\/td><td class=\"has-text-align-center\" data-align=\"center\">Arginine, cyst\u00e9ine, glutamine, lysine<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vitamines B<\/td><td class=\"has-text-align-center\" data-align=\"center\">Thiamine, acide folique, riboflavine<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tr\u00e8s solubles<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Acides ph\u00e9noliques<\/td><td class=\"has-text-align-center\" data-align=\"center\">Acide salicylique (saule), arbutine (busserole)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Tr\u00e8s solubles<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ph\u00e9nylpropano\u00efdes<\/td><td class=\"has-text-align-center\" data-align=\"center\">Acide rosmarinique (romarin, m\u00e9lisse)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Partiellement solubles <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Tanins<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ellagitanins, gallotanins (th\u00e9, framboisier)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles pour les petites mol\u00e9cules<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Flavono\u00efdes<\/td><td class=\"has-text-align-center\" data-align=\"center\">Anthocyanines, flavanols, flavones, isoflavono\u00efdes, rutine (sarrasin)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles sous forme d\u2019h\u00e9t\u00e9rosides<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Principes amers<\/td><td class=\"has-text-align-center\" data-align=\"center\">Lactones sesquiterp\u00e9niques (pissenlit, artichaut, achill\u00e9e, camomille)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Saponines<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pr\u00e9sentes dans les racines&nbsp;et graines&nbsp;: ail, quinoa, r\u00e9glisse<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles (h\u00e9t\u00e9rosides)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Alcalo\u00efdes (certains cas particuliers)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Alcalo\u00efdes pyrrolizidiniques (consoude), berb\u00e9rine (hydraste), b\u00e9tanidine (betterave)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Solubles sous forme de sels (sinon tr\u00e8s peu solubles)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Pseudo-alcalo\u00efdes<\/td><td class=\"has-text-align-center\" data-align=\"center\">Caf\u00e9ine, th\u00e9obromine<\/td><td class=\"has-text-align-center\" data-align=\"center\">Assez solubles<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Sans oublier\u2026 les h\u00e9t\u00e9rosides<\/strong><\/h3>\n\n\n\n<p>Les plantes ont la particularit\u00e9 de fabriquer toutes sortes de mol\u00e9cules et de lier un ou des glucides pour \u00eatre capable de les transporter dans leurs diff\u00e9rentes parties. On peut prendre l\u2019exemple de la querc\u00e9tine, un flavono\u00efde tr\u00e8s r\u00e9pandu. Comme la querc\u00e9tine est plus ou moins soluble dans l\u2019eau, la plante va y joindre deux mol\u00e9cules de glucose. Ce pourrait \u00eatre dans le but de la d\u00e9placer vers les fleurs pendant la floraison. Cette nouvelle mol\u00e9cule devient alors un h\u00e9t\u00e9roside de querc\u00e9tine que l\u2019on appelle commun\u00e9ment rutine. La rutine est deux fois plus soluble dans l\u2019eau que la querc\u00e9tine. La plante contient g\u00e9n\u00e9ralement de la querc\u00e9tine et de la rutine mais ces deux mol\u00e9cules seront en proportions variables selon la partie r\u00e9colt\u00e9e et la p\u00e9riode de r\u00e9colte.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Polarit\u00e9 et solubilit\u00e9<\/strong><\/h2>\n\n\n\n<p>Le sujet de la polarit\u00e9 et de la solubilit\u00e9 est un principe tr\u00e8s important mais aussi assez complexe. De nombreuses \u00e9tudes ont \u00e9t\u00e9 faites sur des mol\u00e9cules isol\u00e9es mais tr\u00e8s peu d\u2019exp\u00e9rimentations sont faites sur les m\u00e9langes. Dans le cas des plantes m\u00e9dicinales, le grand nombre de compos\u00e9s nous complexifie la t\u00e2che. Nous savons que la plante peut faire des h\u00e9t\u00e9rosides avec plusieurs compos\u00e9s. Et, il a \u00e9t\u00e9 d\u00e9montr\u00e9 que certaines mol\u00e9cules comme les saponines peuvent modifier la solubilit\u00e9 dans l\u2019eau des autres mol\u00e9cules pr\u00e9sentes. Cela ajoute donc deux facteurs qui augmentent la solubilit\u00e9 de fa\u00e7on non pr\u00e9visible.<\/p>\n\n\n\n<p>Donc, nous pouvons faire quelques estimations pour chacune des mol\u00e9cules s\u00e9par\u00e9es mais nous ne savons pas tout ce qui se passe dans nos infusions et nos d\u00e9coctions ! L\u2019eau est vraiment un solvant tr\u00e8s particulier et elle m\u00e9rite sa r\u00e9putation de solvant universel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>R\u00e9f\u00e9rence:<\/strong><\/h2>\n\n\n\n<p>Extrait de l&rsquo;Atelier \u00abLe r\u00f4le des solvants dans les pr\u00e9parations m\u00e9dicinales\u00bb, cr\u00e9ation de M\u00e9lanie Ricard-Quirion, 3e \u00e9dition, mars 2023.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Autre article: <\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-herbasimple wp-block-embed-herbasimple\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"i3wYW3tn3p\"><a href=\"https:\/\/herbasimple.com\/blog\/la-phytochimie-a-quoi-ca-sert\/\">La phytochimie \u00e0 quoi \u00e7a sert?<\/a><\/blockquote><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u00ab\u00a0La phytochimie \u00e0 quoi \u00e7a sert?\u00a0\u00bb &#8212; Herbasimple\" data-src=\"https:\/\/herbasimple.com\/blog\/la-phytochimie-a-quoi-ca-sert\/embed\/#?secret=na8mfrejmt#?secret=i3wYW3tn3p\" data-secret=\"i3wYW3tn3p\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Dans cet article, je vous explique en quoi l&rsquo;eau est un solvant universel et je vous pr\u00e9sente le concept de&hellip;<\/p>\n","protected":false},"author":2,"featured_media":425,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"pagelayer_contact_templates":[],"_pagelayer_content":"","_uag_custom_page_level_css":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[43],"tags":[53,51,78],"class_list":["post-423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phytochimie-extractions","tag-extractions","tag-phytochimie","tag-solubilite"],"yoast_head":"<!-- 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Les m\u00e9decines traditionnelles ont toujours pr\u00e9par\u00e9 des extraits de plantes et continuent \u00e0 le faire. Cette qu\u00eate d'extraction n'est donc pas nouvelle, elle remonte \u00e0 plusieurs milliers d'ann\u00e9es. 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Cette conf\u00e9rence a eu lieu le 8 d\u00e9cembre 2021. Elle a \u00e9t\u00e9 enregistr\u00e9e par la Guilde des Herboristes du Qu\u00e9bec. On peut \u00e9couter la rediffusion ici \ud83c\udf9e Co\u00fbt : 25$ pour les non-membres de la Guilde des\u2026","rel":"","context":"Dans &quot;Collaborations &amp; communaut\u00e9&quot;","block_context":{"text":"Collaborations &amp; communaut\u00e9","link":"https:\/\/herbasimple.com\/blog\/category\/collaborations\/"},"img":{"alt_text":"Affiche de l'\u00e9v\u00e9nement","src":"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2021\/12\/MRQ-affiche-solubilite-e1638985175951.png?fit=800%2C658&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2021\/12\/MRQ-affiche-solubilite-e1638985175951.png?fit=800%2C658&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2021\/12\/MRQ-affiche-solubilite-e1638985175951.png?fit=800%2C658&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2021\/12\/MRQ-affiche-solubilite-e1638985175951.png?fit=800%2C658&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3402,"url":"https:\/\/herbasimple.com\/blog\/infusion-ou-teinture-laquelle-extrait-le-plus-dactifs\/","url_meta":{"origin":423,"position":2},"title":"Infusion ou teinture : laquelle extrait le plus d\u2019actifs ?","author":"M\u00e9lanie Ricard-Quirion","date":false,"format":false,"excerpt":"C\u2019est une question qui revient souvent : \u201cM\u00e9lanie, qu\u2019est-ce qui est le plus efficace : l\u2019infusion ou la teinture ?\u201d R\u00e9ponse courte : \u00e7a d\u00e9pend.R\u00e9ponse longue : il est tout simplement impossible de tout extraire d\u2019une plante avec une seule m\u00e9thode. Et m\u00eame si c\u2019\u00e9tait possible, ce ne serait pas\u2026","rel":"","context":"Dans &quot;Phytochimie &amp; extractions&quot;","block_context":{"text":"Phytochimie &amp; extractions","link":"https:\/\/herbasimple.com\/blog\/category\/phytochimie-extractions\/"},"img":{"alt_text":"Infusion ou teinture : laquelle extrait le plus de principes actifs ?","src":"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2025\/08\/Infusion-ou-teinture-laquelle-extrait-mieux.png?fit=1200%2C630&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2025\/08\/Infusion-ou-teinture-laquelle-extrait-mieux.png?fit=1200%2C630&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2025\/08\/Infusion-ou-teinture-laquelle-extrait-mieux.png?fit=1200%2C630&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2025\/08\/Infusion-ou-teinture-laquelle-extrait-mieux.png?fit=1200%2C630&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2025\/08\/Infusion-ou-teinture-laquelle-extrait-mieux.png?fit=1200%2C630&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":4022,"url":"https:\/\/herbasimple.com\/blog\/3-erreurs-que-la-chimie-des-plantes-permet-deviter\/","url_meta":{"origin":423,"position":3},"title":"3 erreurs que la chimie des plantes permet d\u2019\u00e9viter","author":"M\u00e9lanie Ricard-Quirion","date":false,"format":false,"excerpt":"Quand je parle des 3 erreurs que la chimie des plantes permet d\u2019\u00e9viter, je pense \u00e0 une sc\u00e8ne que j\u2019ai vue souvent. Une personne passionn\u00e9e. Des plantes fra\u00eechement s\u00e9ch\u00e9es. Une belle th\u00e9i\u00e8re. De l\u2019eau bouillante. Elle verse l'eau, elle couvre, attend 15 minutes et elle boit. Et elle se dit\u2026","rel":"","context":"Dans &quot;Phytochimie &amp; extractions&quot;","block_context":{"text":"Phytochimie &amp; extractions","link":"https:\/\/herbasimple.com\/blog\/category\/phytochimie-extractions\/"},"img":{"alt_text":"3 erreurs que la chimie des plantes permet d\u2019\u00e9viter","src":"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2026\/03\/3-erreurs-chimie-des-plantes.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2026\/03\/3-erreurs-chimie-des-plantes.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2026\/03\/3-erreurs-chimie-des-plantes.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2026\/03\/3-erreurs-chimie-des-plantes.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/herbasimple.com\/blog\/wp-content\/uploads\/2026\/03\/3-erreurs-chimie-des-plantes.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":1282,"url":"https:\/\/herbasimple.com\/blog\/regeneration-cutanee-avec-lallantoine\/","url_meta":{"origin":423,"position":4},"title":"R\u00e9g\u00e9n\u00e9ration cutan\u00e9e avec l&rsquo;allanto\u00efne","author":"M\u00e9lanie Ricard-Quirion","date":false,"format":false,"excerpt":"Qui n'aspire pas \u00e0 une peau saine et lumineuse ? Que ce soit pour apaiser les irritations, stimuler la cicatrisation des plaies ou tout simplement pour offrir \u00e0 la peau douceur et hydratation, l'allanto\u00efne est un pr\u00e9cieux alli\u00e9. 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