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class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Inhoudsstoffen</span> </div> </a> <ul id="toc-Inhoudsstoffen-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Medicinaal_gebruik" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Medicinaal_gebruik"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Medicinaal gebruik</span> </div> </a> <ul id="toc-Medicinaal_gebruik-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Literatuur" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Literatuur"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Literatuur</span> </div> </a> <ul id="toc-Literatuur-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header 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id="firstHeading" class="firstHeading mw-first-heading"><i>Rheum officinale</i></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ga naar een artikel in een andere taal. Beschikbaar in 23 talen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-23" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">23 talen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D8%A7%D9%88%D9%86%D8%AF_%D9%85%D8%AE%D8%B2%D9%86%D9%8A" title="راوند مخزني – Arabisch" lang="ar" hreflang="ar" data-title="راوند مخزني" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B1%D8%A7%D9%88%D9%86%D8%AF_%D9%85%D8%AE%D8%B2%D9%86%D9%89" title="راوند مخزنى – Egyptisch Arabisch" lang="arz" hreflang="arz" data-title="راوند مخزنى" data-language-autonym="مصرى" data-language-local-name="Egyptisch Arabisch" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Asturisch" lang="ast" hreflang="ast" data-title="Rheum officinale" data-language-autonym="Asturianu" data-language-local-name="Asturisch" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Azerbeidzjaans" lang="az" hreflang="az" data-title="Rheum officinale" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbeidzjaans" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Klembak" title="Klembak – Balinees" lang="ban" hreflang="ban" data-title="Klembak" data-language-autonym="Basa Bali" data-language-local-name="Balinees" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Catalaans" lang="ca" hreflang="ca" data-title="Rheum officinale" data-language-autonym="Català" data-language-local-name="Catalaans" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Cebuano" lang="ceb" hreflang="ceb" data-title="Rheum officinale" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/L%C3%A6gerabarber" title="Lægerabarber – Deens" lang="da" hreflang="da" data-title="Lægerabarber" data-language-autonym="Dansk" data-language-local-name="Deens" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Engels" lang="en" hreflang="en" data-title="Rheum officinale" data-language-autonym="English" data-language-local-name="Engels" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Spaans" lang="es" hreflang="es" data-title="Rheum officinale" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%DB%8C%D9%88%D9%86%D8%AF_%DA%86%DB%8C%D9%86%DB%8C" title="ریوند چینی – Perzisch" lang="fa" hreflang="fa" data-title="ریوند چینی" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kelembak" title="Kelembak – Indonesisch" lang="id" hreflang="id" data-title="Kelembak" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesisch" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Klembak" title="Klembak – Javaans" lang="jv" hreflang="jv" data-title="Klembak" data-language-autonym="Jawa" data-language-local-name="Javaans" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-mad mw-list-item"><a href="https://mad.wikipedia.org/wiki/Kl%C3%A8mb%C3%A2%27" title="Klèmbâ' – Madoerees" lang="mad" hreflang="mad" data-title="Klèmbâ'" data-language-autonym="Madhurâ" data-language-local-name="Madoerees" class="interlanguage-link-target"><span>Madhurâ</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kelembak" title="Kelembak – Maleis" lang="ms" hreflang="ms" data-title="Kelembak" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleis" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Rabarbar_lekarski" title="Rabarbar lekarski – Pools" lang="pl" hreflang="pl" data-title="Rabarbar lekarski" data-language-autonym="Polski" data-language-local-name="Pools" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A0%D0%B5%D0%B2%D0%B5%D0%BD%D1%8C_%D0%BB%D0%B5%D0%BA%D0%B0%D1%80%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9" title="Ревень лекарственный – Russisch" lang="ru" hreflang="ru" data-title="Ревень лекарственный" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/L%C3%A4kerabarber" title="Läkerabarber – Zweeds" lang="sv" hreflang="sv" data-title="Läkerabarber" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%95%E0%B8%B1%E0%B9%89%E0%B8%87%E0%B8%AD%E0%B8%B6%E0%B9%8A%E0%B8%87" title="ตั้งอึ๊ง – Thai" lang="th" hreflang="th" data-title="ตั้งอึ๊ง" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A0%D0%B5%D0%B2%D1%96%D0%BD%D1%8C_%D0%BB%D1%96%D0%BA%D0%B0%D1%80%D1%81%D1%8C%D0%BA%D0%B8%D0%B9" title="Ревінь лікарський – Oekraïens" lang="uk" hreflang="uk" data-title="Ревінь лікарський" data-language-autonym="Українська" data-language-local-name="Oekraïens" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BA%A1i_ho%C3%A0ng_d%C6%B0%E1%BB%A3c_d%E1%BB%A5ng" title="Đại hoàng dược dụng – Vietnamees" lang="vi" hreflang="vi" data-title="Đại hoàng dược dụng" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamees" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Rheum_officinale" title="Rheum officinale – Waray" lang="war" hreflang="war" data-title="Rheum officinale" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%A6%AC%E8%B9%84%E5%A4%A7%E9%BB%83" title="馬蹄大黃 – Chinees" lang="zh" hreflang="zh" data-title="馬蹄大黃" data-language-autonym="中文" data-language-local-name="Chinees" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q312527#sitelinks-wikipedia" title="Taalkoppelingen bewerken" class="wbc-editpage">Koppelingen bewerken</a></span></div> </div> </div> </div> </header> <div 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lang="nl" dir="ltr"><table class="infobox" cellpadding="1" cellspacing="1" style="font-size:95%;"> <tbody><tr> <th class="infobox-kop notheme" style="background-color:#cbe8c1; color:inherit; font-weight:bold;"><big>Chinese rabarber</big> </th></tr> <tr> <td style="text-align:center; padding:0;"><span typeof="mw:File"><a href="/wiki/Bestand:Rheum_officinale1.jpg" class="mw-file-description"><img alt="Rheum officinale" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Rheum_officinale1.jpg/266px-Rheum_officinale1.jpg" decoding="async" width="266" height="355" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Rheum_officinale1.jpg/399px-Rheum_officinale1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/7/7f/Rheum_officinale1.jpg 2x" data-file-width="480" data-file-height="640" /></a></span> </td></tr> <tr> <th class="infobox-kop notheme" style="background-color: #cbe8c1; color:inherit; font-weight:bold;"><a href="/wiki/Taxonomie_(biologie)" title="Taxonomie (biologie)">Taxonomische indeling</a> </th></tr> <tr> <td> <table style="margin:0 auto;"> <tbody><tr><td><a href="/wiki/Rijk_(biologie)" title="Rijk (biologie)">Rijk</a>:</td><td><i><a href="/wiki/Planten" title="Planten">Plantae</a></i> (Planten)</td></tr><tr><td><a href="/wiki/Stam_(biologie)" title="Stam (biologie)">Stam</a>:</td><td><i><a href="/wiki/Embryophyta" title="Embryophyta">Embryophyta</a></i> (Landplanten)</td></tr><tr><td><a href="/wiki/Klasse_(biologie)" title="Klasse (biologie)">Klasse</a>:</td><td><i><a href="/wiki/Spermatopsida" class="mw-redirect" title="Spermatopsida">Spermatopsida</a></i> (Zaadplanten)</td></tr><tr><td><i><a href="/wiki/Clade" title="Clade">Clade</a></i>:</td><td><a href="/wiki/Bedektzadigen" title="Bedektzadigen">Bedektzadigen</a></td></tr><tr><td><i><a href="/wiki/Clade" title="Clade">Clade</a></i>:</td><td><a href="/wiki/%27nieuwe%27_Tweezaadlobbigen" class="mw-redirect" title="'nieuwe' Tweezaadlobbigen">'nieuwe' Tweezaadlobbigen</a></td></tr><tr><td><i><a href="/wiki/Clade" title="Clade">Clade</a></i>:</td><td><a href="/wiki/Geavanceerde_tweezaadlobbigen" class="mw-redirect" title="Geavanceerde tweezaadlobbigen">Geavanceerde tweezaadlobbigen</a></td></tr><tr><td><a href="/wiki/Orde_(biologie)" title="Orde (biologie)">Orde</a>:</td><td><i><a href="/wiki/Caryophyllales" title="Caryophyllales">Caryophyllales</a></i></td></tr><tr><td><a href="/wiki/Familie_(biologie)" title="Familie (biologie)">Familie</a>:</td><td><i><a href="/wiki/Polygonaceae" class="mw-redirect" title="Polygonaceae">Polygonaceae</a></i> (Duizendknoopfamilie)</td></tr><tr><td><a href="/wiki/Geslacht_(biologie)" title="Geslacht (biologie)">Geslacht</a>:</td><td><i><a href="/wiki/Rheum" title="Rheum">Rheum</a></i> (Rabarber)</td></tr> <tr><td></td></tr></tbody></table> </td></tr> <tr> <th class="infobox-kop notheme" style="background-color: #cbe8c1; color:inherit; font-weight:bold;"><a href="/wiki/Soort" title="Soort">Soort</a> </th></tr> <tr> <td class="ta-center"><i><b>Rheum officinale</b></i><br /><small><a href="/wiki/Henri_Ernest_Baillon" title="Henri Ernest Baillon">Baill.</a></small> </td></tr> <tr> <th class="infobox-kop notheme" style="background-color: #cbe8c1; color:inherit; font-weight:bold;" colspan="2"> </th></tr> <tr> <td class="ta-center" colspan="2"><small><a href="https://commons.wikimedia.org/wiki/Category:Rheum_officinale" class="extiw" title="commons:Category:Rheum officinale">Afbeeldingen</a> op</small> <span class="noviewer" typeof="mw:File"><a href="/wiki/Bestand:Commons-logo.svg" class="mw-file-description" title="Wikimedia Commons"><img alt="Wikimedia Commons" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <small><a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Wikimedia Commons</a></small> </td></tr> <tr> <td class="ta-center" colspan="2"><small><a href="https://species.wikimedia.org/wiki/Rheum_officinale" class="extiw" title="wikispecies:Rheum officinale">Chinese rabarber</a> op</small> <span class="noviewer" typeof="mw:File"><a href="/wiki/Bestand:Wikispecies-logo.svg" class="mw-file-description" title="Wikispecies"><img alt="Wikispecies" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/15px-Wikispecies-logo.svg.png" decoding="async" width="15" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/23px-Wikispecies-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/30px-Wikispecies-logo.svg.png 2x" data-file-width="941" data-file-height="1103" /></a></span> <small><a href="/wiki/Wikispecies" title="Wikispecies">Wikispecies</a></small> </td></tr> <tr> <th class="infobox-kop notheme" style="background-color: #cbe8c1; color:inherit;" colspan="2"> <table style="margin:0 auto;" cellspacing="0" cellpadding="0"> <tbody><tr> <td style="vertical-align:middle;">Portaal  <span class="noviewer" typeof="mw:File"><a href="/wiki/Bestand:Portal.svg" class="mw-file-description" title="Portaalicoon"><img alt="Portaalicoon" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/22px-Portal.svg.png" decoding="async" width="22" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/33px-Portal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/44px-Portal.svg.png 2x" data-file-width="36" data-file-height="32" /></a></span>   </td> <td class="ta-left"><a href="/wiki/Portaal:Biologie" title="Portaal:Biologie">Biologie</a> </td></tr></tbody></table> </th></tr></tbody></table> <p><i><b>Rheum officinale</b></i>, de <b>Chinese rabarber</b> is een <a href="/wiki/Rheum" title="Rheum">rabarber</a> uit de <a href="/wiki/Duizendknoopfamilie" title="Duizendknoopfamilie">duizendknoopfamilie</a> die oorspronkelijk afkomstig is uit de berggebieden van West en Noord-West China, India, Tibet, Rusland en Turkije. De plant groeit op hoogten tussen 1200 en 4000 meter. De plant kan 1,5 tot 2 meter hoog worden. </p><p>De zaden zijn rijp in juli en augustus en worden dan verspreid door de wind. </p><p>De stengels worden veel als voedsel (<a href="/wiki/Rabarber" title="Rabarber">rabarber</a>) gebruikt. De bladeren van <i>Rheum officinale</i> bevatten veel <a href="/wiki/Oxaalzuur" title="Oxaalzuur">oxaalzuur</a> en kunnen daarom toxisch zijn. Oxaalzuur kan neerslaan in de <a href="/wiki/Nier_(biologie)" title="Nier (biologie)">niertubuli</a> en daardoor <a href="/wiki/Nierfalen" title="Nierfalen">nierfalen</a> veroorzaken. De wortels worden gebruikt in de traditionele Chinese geneeskunde. </p> <div class="mw-heading mw-heading2"><h2 id="Inhoudsstoffen">Inhoudsstoffen</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_officinale&veaction=edit&section=1" title="Bewerk dit kopje: Inhoudsstoffen" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Rheum_officinale&action=edit&section=1" title="De broncode bewerken van de sectie: Inhoudsstoffen"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>De belangrijkste inhoudsstoffen zijn <a href="/w/index.php?title=Hydroxyanthraceen&action=edit&redlink=1" class="new" title="Hydroxyanthraceen (de pagina bestaat niet)">hydroxyanthracenen</a>, waaronder de groep <a href="/w/index.php?title=Anthraquinon&action=edit&redlink=1" class="new" title="Anthraquinon (de pagina bestaat niet)">anthraquinonen</a>, evenals <a href="/wiki/Tannine" title="Tannine">tanninen</a>. Andere inhoudsstoffen zijn <a href="/wiki/Calciumoxalaat" title="Calciumoxalaat">calciumoxalaat</a>, <a href="/wiki/Vetzuur" title="Vetzuur">vetzuren</a>, <a href="/w/index.php?title=Resine&action=edit&redlink=1" class="new" title="Resine (de pagina bestaat niet)">resines</a>, <a href="/wiki/Zetmeel" title="Zetmeel">zetmeel</a>, <a href="/wiki/Stilbeen" title="Stilbeen">stilbeenglycosiden</a> en sporen <a href="/wiki/Etherische_olie" title="Etherische olie">etherische olie</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Medicinaal_gebruik">Medicinaal gebruik</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_officinale&veaction=edit&section=2" title="Bewerk dit kopje: Medicinaal gebruik" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Rheum_officinale&action=edit&section=2" title="De broncode bewerken van de sectie: Medicinaal gebruik"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>De <a href="/wiki/Wortelstok" title="Wortelstok">wortelstok</a> van <i>Rheum officinale</i> wordt gebruikt in de <a href="/wiki/Volksgeneeskunde" title="Volksgeneeskunde">volksgeneeskunde</a>, in de <a href="/wiki/Traditionele_Chinese_geneeskunde" title="Traditionele Chinese geneeskunde">Traditionele Chinese geneeskunde</a> wordt het <i>yào yòng dà huáng</i> (<style data-mw-deduplicate="TemplateStyles:r67679320">.mw-parser-output .taalaanduiding{font-family:sans-serif;font-size:85%;cursor:help;color:var(--color-subtle,#555)}.mw-parser-output .taalaanduiding span{border-bottom:1px dotted var(--color-subtle,#555)}</style><span class="taalaanduiding" title="Taal: Chinees">(<span>zh</span>) </span>) genoemd. Het is een van de meest gebruikte kruiden uit de Chinese volksgeneeskunde. In <a href="/wiki/Volksrepubliek_China" title="Volksrepubliek China">China</a> is de commerciële productie geconcentreerd in de provincie <a href="/wiki/Sichuan" title="Sichuan">Sichuan</a>. De rabarberwortels worden verzameld van planten die ten minste zes jaar oud zijn, de oogst vindt plaats in de herfst of in de daarop volgende lente. De wortelstok wordt in kleine blokjes gesneden en gedroogd, geroerbakt of gestoomd met alcohol. </p><p>Rabarberwortels bevatten <a href="/w/index.php?title=Anthraquinon&action=edit&redlink=1" class="new" title="Anthraquinon (de pagina bestaat niet)">anthraquinonen</a>, die een <a href="/wiki/Laxeermiddel" class="mw-redirect" title="Laxeermiddel">laxerend</a> effect hebben, evenals <a href="/wiki/Tannine" title="Tannine">tanninen</a> en bitterstoffen (4-11%) die een daaraan tegengesteld <a href="/wiki/Adstringentia" title="Adstringentia">adstringerend</a> (verstoppend) effect hebben. In lage doseringen heeft de werking van de tanninen de overhand en heeft het een antidiarretische werking, in hogere doseringen overheersen de anthraquinonen en werkt rabarberwortel laxerend. Traditioneel wordt het zowel als een laxeermiddel alsook als een antidiarretisch middel ingezet. De anthraquinonen zijn niet stabiel bij verhitten en kunnen ook verloren gaan bij andere manieren van verwerken. Verhitting gaat dan ook ten koste van het laxerende effect. </p><p>Een gebruikelijke dagdosering is 1 tot 5 gram per dag, direct gebruikt of als <a href="/wiki/Kruidenthee" title="Kruidenthee">thee</a> (<a href="/w/index.php?title=Decoctie&action=edit&redlink=1" class="new" title="Decoctie (de pagina bestaat niet)">decoctie</a>). In de Chinese volksgeneeskunde ligt de geadviseerde dosis iets hoger: 3-10 gram per dag en 20 gram in ernstige gevallen, waarbij de dosering gehalveerd wordt wanneer het poeder direct wordt gebruikt in plaats van als thee. </p><p>Gebruik langer dan 8 dagen achtereen wordt ontraden, evenals gebruik bij jonge kinderen (jonger dan 12) en tijdens zwangerschap of lactatieperiode. </p> <div class="mw-heading mw-heading2"><h2 id="Literatuur">Literatuur</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_officinale&veaction=edit&section=3" title="Bewerk dit kopje: Literatuur" class="mw-editsection-visualeditor"><span>bewerken</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Rheum_officinale&action=edit&section=3" title="De broncode bewerken van de sectie: Literatuur"><span>brontekst bewerken</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="citation" id="CITEREF1999"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><span style="font-variant:small-caps;"><a href="/wiki/Wereldgezondheidsorganisatie" title="Wereldgezondheidsorganisatie"> World Health Organization</a></span>, <a rel="nofollow" class="external text" href="http://apps.who.int/medicinedocs/en/d/Js2200e/25.html">Rhizoma Rhei</a>. <i>WHO monographs on selected medicinal plants - volume 1</i> pp. 231-240. World Health Organization (1999). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161029223938/http://apps.who.int/medicinedocs/en/d/Js2200e/25.html">Gearchiveerd</a> op <span class="mw-formatted-date" title="2016-10-29">29 oktober 2016</span>. Geraadpleegd op <span class="mw-formatted-date" title="2017-11-15">15 november 2017</span>. </span></li> <li><span class="citation" id="CITEREF2017"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><span style="font-variant:small-caps;">TCM Wiki</span>, <a rel="nofollow" class="external text" href="https://tcmwiki.com/wiki/radix-et-rhizoma-rhei">Radix et Rhizoma Rhei</a>. <i>TCM Wiki</i>. TCM Wiki (2017). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150413132210/https://tcmwiki.com/wiki/radix-et-rhizoma-rhei">Gearchiveerd</a> op <span class="mw-formatted-date" title="2015-04-13">13 april 2015</span>. Geraadpleegd op <span class="mw-formatted-date" title="2017-11-15">15 november 2017</span>. </span>. Dit artikel <a rel="nofollow" class="external text" href="https://tcmwiki.com/wiki/copyrights">is beschikbaar</a> onder de licentie <a href="/wiki/Creative_Commons#Kenmerken" title="Creative Commons">Creative Commons Gelijk delen</a> (CC BY SA; versie 4.0).</li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Overgenomen van "<a dir="ltr" href="https://nl.wikipedia.org/w/index.php?title=Rheum_officinale&oldid=65112417">https://nl.wikipedia.org/w/index.php?title=Rheum_officinale&oldid=65112417</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Categorie:Alles" title="Categorie:Alles">Categorieën</a>: <ul><li><a href="/wiki/Categorie:Duizendknoopfamilie" title="Categorie:Duizendknoopfamilie">Duizendknoopfamilie</a></li><li><a href="/wiki/Categorie:Stengelgroente" title="Categorie:Stengelgroente">Stengelgroente</a></li><li><a href="/wiki/Categorie:Plant_uit_het_Palearctisch_gebied" title="Categorie:Plant uit het Palearctisch gebied">Plant uit het Palearctisch gebied</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Verborgen categorie: <ul><li><a href="/wiki/Categorie:Wikipedia:Plantenlemma" title="Categorie:Wikipedia:Plantenlemma">Wikipedia:Plantenlemma</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Deze pagina is voor het laatst bewerkt op 12 aug 2023 om 18:52.</li> <li id="footer-info-copyright">De tekst is beschikbaar onder de licentie <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.nl">Creative Commons Naamsvermelding/Gelijk delen</a>, er kunnen aanvullende voorwaarden van toepassing zijn. 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