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class="vector-pinnable-header-label">Innhold</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">skjul</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Til toppen)</div> </a> </li> <li id="toc-Funksjon" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Funksjon"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Funksjon</span> </div> </a> <ul id="toc-Funksjon-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Riboflavinkilder" class="vector-toc-list-item vector-toc-level-1 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cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Vis/skjul innholdsfortegnelsen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Riboflavin</span></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="Gå til en artikkel på et annet språk. Tilgjengelig på 75 språk" > <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-75" 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">75 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Riboflavin" title="Riboflavin – dansk" lang="da" hreflang="da" data-title="Riboflavin" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Riboflavin" title="Riboflavin – svensk" lang="sv" hreflang="sv" data-title="Riboflavin" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Riboflavin" title="Riboflavin – færøysk" lang="fo" hreflang="fo" data-title="Riboflavin" data-language-autonym="Føroyskt" data-language-local-name="færøysk" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Riboflavien" title="Riboflavien – afrikaans" lang="af" hreflang="af" data-title="Riboflavien" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%81%D9%8A%D8%AA%D8%A7%D9%85%D9%8A%D9%86_%D8%A82" title="فيتامين ب2 – arabisk" lang="ar" hreflang="ar" data-title="فيتامين ب2" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – asturisk" lang="ast" hreflang="ast" data-title="Vitamina B2" data-language-autonym="Asturianu" data-language-local-name="asturisk" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B0%E0%A6%BF%E0%A6%AC%E0%A7%8B%E0%A6%AB%E0%A7%8D%E0%A6%B2%E0%A6%BE%E0%A6%AD%E0%A6%BF%E0%A6%A8" title="রিবোফ্লাভিন – bengali" lang="bn" hreflang="bn" data-title="রিবোফ্লাভিন" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A0%D1%8B%D0%B1%D0%B0%D1%84%D0%BB%D0%B0%D0%B2%D1%96%D0%BD" title="Рыбафлавін – belarusisk" lang="be" hreflang="be" data-title="Рыбафлавін" data-language-autonym="Беларуская" data-language-local-name="belarusisk" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A0%D1%8B%D0%B1%D0%B0%D1%84%D0%BB%D1%8F%D0%B2%D1%96%D0%BD" title="Рыбафлявін – belarusisk (klassisk ortografi)" lang="be-tarask" hreflang="be-tarask" data-title="Рыбафлявін" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusisk (klassisk ortografi)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%92%D0%B8%D1%82%D0%B0%D0%BC%D0%B8%D0%BD_B2" title="Витамин B2 – bulgarsk" lang="bg" hreflang="bg" data-title="Витамин B2" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – bosnisk" lang="bs" hreflang="bs" data-title="Vitamin B2" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Riboflavina" title="Riboflavina – katalansk" lang="ca" hreflang="ca" data-title="Riboflavina" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Vitam%C3%ADn_B2" title="Vitamín B2 – tsjekkisk" lang="cs" hreflang="cs" data-title="Vitamín B2" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Ribofflafin" title="Ribofflafin – walisisk" lang="cy" hreflang="cy" data-title="Ribofflafin" data-language-autonym="Cymraeg" data-language-local-name="walisisk" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Riboflavin" title="Riboflavin – tysk" lang="de" hreflang="de" data-title="Riboflavin" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%88%DE%A8%DE%93%DE%A6%DE%89%DE%A8%DE%82%DE%B0_%DE%84%DE%A92" title="ވިޓަމިން ބީ2 – divehi" lang="dv" hreflang="dv" data-title="ވިޓަމިން ބީ2" data-language-autonym="ދިވެހިބަސް" data-language-local-name="divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/B2-vitamiin" title="B2-vitamiin – estisk" lang="et" hreflang="et" data-title="B2-vitamiin" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A1%CE%B9%CE%B2%CE%BF%CF%86%CE%BB%CE%B1%CE%B2%CE%AF%CE%BD%CE%B7" title="Ριβοφλαβίνη – gresk" lang="el" hreflang="el" data-title="Ριβοφλαβίνη" data-language-autonym="Ελληνικά" data-language-local-name="gresk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="anbefalt artikkel-merke"><a href="https://en.wikipedia.org/wiki/Riboflavin" title="Riboflavin – engelsk" lang="en" hreflang="en" data-title="Riboflavin" data-language-autonym="English" data-language-local-name="engelsk" 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/Vitamina_B2" title="Vitamina B2 – spansk" lang="es" hreflang="es" data-title="Vitamina B2" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Riboflavino" title="Riboflavino – esperanto" lang="eo" hreflang="eo" data-title="Riboflavino" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/B2_bitamina" title="B2 bitamina – baskisk" lang="eu" hreflang="eu" data-title="B2 bitamina" data-language-autonym="Euskara" data-language-local-name="baskisk" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%88%DB%8C%D8%AA%D8%A7%D9%85%DB%8C%D9%86_%D8%A8%DB%B2" title="ویتامین ب۲ – persisk" lang="fa" hreflang="fa" data-title="ویتامین ب۲" data-language-autonym="فارسی" data-language-local-name="persisk" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Riboflavine" title="Riboflavine – fransk" lang="fr" hreflang="fr" data-title="Riboflavine" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Ribeaflaivin" title="Ribeaflaivin – irsk" lang="ga" hreflang="ga" data-title="Ribeaflaivin" data-language-autonym="Gaeilge" data-language-local-name="irsk" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – galisisk" lang="gl" hreflang="gl" data-title="Vitamina B2" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A6%AC%EB%B3%B4%ED%94%8C%EB%9D%BC%EB%B9%88" title="리보플라빈 – koreansk" lang="ko" hreflang="ko" data-title="리보플라빈" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8E%D5%AB%D5%BF%D5%A1%D5%B4%D5%AB%D5%B6_B2" title="Վիտամին B2 – armensk" lang="hy" hreflang="hy" data-title="Վիտամին B2" data-language-autonym="Հայերեն" data-language-local-name="armensk" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B0%E0%A4%BF%E0%A4%AC%E0%A5%8B%E0%A4%AB%E0%A5%8D%E0%A4%B2%E0%A5%87%E0%A4%B5%E0%A4%BF%E0%A4%A8" title="रिबोफ्लेविन – hindi" lang="hi" hreflang="hi" data-title="रिबोफ्लेविन" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – kroatisk" lang="hr" hreflang="hr" data-title="Vitamin B2" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Riboflavino" title="Riboflavino – ido" lang="io" hreflang="io" data-title="Riboflavino" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Riboflavin" title="Riboflavin – indonesisk" lang="id" hreflang="id" data-title="Riboflavin" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Riboflavina" title="Riboflavina – italiensk" lang="it" hreflang="it" data-title="Riboflavina" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%95%D7%99%D7%98%D7%9E%D7%99%D7%9F_B2" title="ויטמין B2 – hebraisk" lang="he" hreflang="he" data-title="ויטמין B2" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D0%B8%D0%BD" title="Рибофлавин – kasakhisk" lang="kk" hreflang="kk" data-title="Рибофлавин" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-rw mw-list-item"><a href="https://rw.wikipedia.org/wiki/Vitamini_B2" title="Vitamini B2 – kinyarwanda" lang="rw" hreflang="rw" data-title="Vitamini B2" data-language-autonym="Ikinyarwanda" data-language-local-name="kinyarwanda" class="interlanguage-link-target"><span>Ikinyarwanda</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D0%B8%D0%BD" title="Рибофлавин – kirgisisk" lang="ky" hreflang="ky" data-title="Рибофлавин" data-language-autonym="Кыргызча" data-language-local-name="kirgisisk" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/B2_vitam%C4%ABns" title="B2 vitamīns – latvisk" lang="lv" hreflang="lv" data-title="B2 vitamīns" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Riboflavin" title="Riboflavin – luxemburgsk" lang="lb" hreflang="lb" data-title="Riboflavin" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgsk" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Riboflavinas" title="Riboflavinas – litauisk" lang="lt" hreflang="lt" data-title="Riboflavinas" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Riboflavin" title="Riboflavin – ungarsk" lang="hu" hreflang="hu" data-title="Riboflavin" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D0%B8%D0%BD" title="Рибофлавин – makedonsk" lang="mk" hreflang="mk" data-title="Рибофлавин" data-language-autonym="Македонски" data-language-local-name="makedonsk" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B1%E0%B5%88%E0%B4%AC%E0%B5%8B%E0%B4%AB%E0%B5%8D%E0%B4%B2%E0%B5%87%E0%B4%B5%E0%B4%BF%E0%B5%BB" title="റൈബോഫ്ലേവിൻ – malayalam" lang="ml" hreflang="ml" data-title="റൈബോഫ്ലേവിൻ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – malayisk" lang="ms" hreflang="ms" data-title="Vitamin B2" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Riboflavine" title="Riboflavine – nederlandsk" lang="nl" hreflang="nl" data-title="Riboflavine" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AA%E3%83%9C%E3%83%95%E3%83%A9%E3%83%93%E3%83%B3" title="リボフラビン – japansk" lang="ja" hreflang="ja" data-title="リボフラビン" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – oksitansk" lang="oc" hreflang="oc" data-title="Vitamina B2" data-language-autonym="Occitan" data-language-local-name="oksitansk" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%B0%E0%AC%BE%E0%AC%87%E0%AC%AC%E0%AD%8B%E0%AC%AB%E0%AD%8D%E0%AC%B2%E0%AC%BE%E0%AC%AD%E0%AC%BF%E0%AC%A8" title="ରାଇବୋଫ୍ଲାଭିନ – odia" lang="or" hreflang="or" data-title="ରାଇବୋଫ୍ଲାଭିନ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Riboflavin" title="Riboflavin – usbekisk" lang="uz" hreflang="uz" data-title="Riboflavin" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Witamina_B2" title="Witamina B2 – polsk" lang="pl" hreflang="pl" data-title="Witamina B2" data-language-autonym="Polski" data-language-local-name="polsk" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Riboflavina" title="Riboflavina – portugisisk" lang="pt" hreflang="pt" data-title="Riboflavina" data-language-autonym="Português" data-language-local-name="portugisisk" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Riboflavin%C4%83" title="Riboflavină – rumensk" lang="ro" hreflang="ro" data-title="Riboflavină" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D0%B8%D0%BD" title="Рибофлавин – russisk" lang="ru" hreflang="ru" data-title="Рибофлавин" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D0%B8%D0%BD_%D0%922" title="Рибофлавин В2 – sakha" lang="sah" hreflang="sah" data-title="Рибофлавин В2" data-language-autonym="Саха тыла" data-language-local-name="sakha" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Riboflavin" title="Riboflavin – skotsk" lang="sco" hreflang="sco" data-title="Riboflavin" data-language-autonym="Scots" data-language-local-name="skotsk" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – albansk" lang="sq" hreflang="sq" data-title="Vitamina B2" data-language-autonym="Shqip" data-language-local-name="albansk" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Riboflavin" title="Riboflavin – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Riboflavin" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Riboflav%C3%ADn" title="Riboflavín – slovakisk" lang="sk" hreflang="sk" data-title="Riboflavín" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Riboflavin" title="Riboflavin – slovensk" lang="sl" hreflang="sl" data-title="Riboflavin" data-language-autonym="Slovenščina" data-language-local-name="slovensk" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A4%DB%8C%D8%AA%D8%A7%D9%85%DB%8C%D9%86_%D8%A8%DB%8C_%D9%A2" title="ڤیتامین بی ٢ – sentralkurdisk" lang="ckb" hreflang="ckb" data-title="ڤیتامین بی ٢" data-language-autonym="کوردی" data-language-local-name="sentralkurdisk" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%92%D0%B8%D1%82%D0%B0%D0%BC%D0%B8%D0%BD_%D0%912" title="Витамин Б2 – serbisk" lang="sr" hreflang="sr" data-title="Витамин Б2" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – serbokroatisk" lang="sh" hreflang="sh" data-title="Vitamin B2" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Riboflavin" title="Riboflavin – sundanesisk" lang="su" hreflang="su" data-title="Riboflavin" data-language-autonym="Sunda" data-language-local-name="sundanesisk" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Riboflaviini" title="Riboflaviini – finsk" lang="fi" hreflang="fi" data-title="Riboflaviini" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AE%BF%E0%AE%AA%E0%AF%8B%E0%AE%83%E0%AE%AA%E0%AE%BF%E0%AE%B3%E0%AE%BE%E0%AE%B5%E0%AE%BF%E0%AE%A9%E0%AF%8D" title="ரிபோஃபிளாவின் – tamil" lang="ta" hreflang="ta" data-title="ரிபோஃபிளாவின்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%84%E0%B8%A3%E0%B9%82%E0%B8%9A%E0%B9%80%E0%B8%9F%E0%B8%A5%E0%B8%A7%E0%B8%B4%E0%B8%99" title="ไรโบเฟลวิน – thai" lang="th" hreflang="th" data-title="ไรโบเฟลวิน" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D0%B8%D0%BD" title="Рибофлавин – tadsjikisk" lang="tg" hreflang="tg" data-title="Рибофлавин" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikisk" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Riboflavin" title="Riboflavin – tyrkisk" lang="tr" hreflang="tr" data-title="Riboflavin" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%92%D0%B8%D1%82%D0%B0%D0%BC%D0%B8%D0%BD_%D0%922" title="Витамин В2 – tuvinsk" lang="tyv" hreflang="tyv" data-title="Витамин В2" data-language-autonym="Тыва дыл" data-language-local-name="tuvinsk" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A0%D0%B8%D0%B1%D0%BE%D1%84%D0%BB%D0%B0%D0%B2%D1%96%D0%BD" title="Рибофлавін – ukrainsk" lang="uk" hreflang="uk" data-title="Рибофлавін" data-language-autonym="Українська" data-language-local-name="ukrainsk" 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/Riboflavin" title="Riboflavin – vietnamesisk" lang="vi" hreflang="vi" data-title="Riboflavin" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Riboflavene" title="Riboflavene – vallonsk" lang="wa" hreflang="wa" data-title="Riboflavene" data-language-autonym="Walon" data-language-local-name="vallonsk" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%A0%B8%E9%BB%84%E7%B4%A0" title="核黄素 – wu" lang="wuu" hreflang="wuu" data-title="核黄素" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%B6%AD%E4%BB%96%E5%91%BDB2" title="維他命B2 – kantonesisk" lang="yue" hreflang="yue" data-title="維他命B2" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%A0%B8%E9%BB%84%E7%B4%A0" title="核黄素 – kinesisk" lang="zh" hreflang="zh" data-title="核黄素" data-language-autonym="中文" data-language-local-name="kinesisk" 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/Q130365#sitelinks-wikipedia" title="Rediger lenker til artikkelen på andre språk" class="wbc-editpage">Rediger lenker</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Navnerom"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Riboflavin" title="Vis innholdssiden [c]" accesskey="c"><span>Artikkel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskusjon:Riboflavin&action=edit&redlink=1" rel="discussion" class="new" title="Diskusjon om innholdssiden (ikke skrevet ennå) [t]" accesskey="t"><span>Diskusjon</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Bytt språkvariant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">norsk bokmål</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visninger"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Riboflavin"><span>Les</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Riboflavin&veaction=edit" title="Rediger siden [v]" accesskey="v"><span>Rediger</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Riboflavin&action=edit" title="Rediger kildekoden for denne siden [e]" accesskey="e"><span>Rediger kilde</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Riboflavin&action=history" title="Tidligere sideversjoner av denne siden [h]" accesskey="h"><span>Vis historikk</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sideverktøy"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verktøy" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verktøy</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktøy</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">skjul</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Flere alternativer" > <div class="vector-menu-heading"> Handlinger </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Riboflavin"><span>Les</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Riboflavin&veaction=edit" title="Rediger siden [v]" accesskey="v"><span>Rediger</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Riboflavin&action=edit" title="Rediger kildekoden for denne siden [e]" accesskey="e"><span>Rediger kilde</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Riboflavin&action=history"><span>Vis historikk</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generelt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Spesial:Lenker_hit/Riboflavin" title="Liste over alle wikisider som lenker hit [j]" accesskey="j"><span>Lenker hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Spesial:Relaterte_endringer/Riboflavin" rel="nofollow" title="Siste endringer i sider som blir lenket fra denne siden [k]" accesskey="k"><span>Relaterte endringer</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=no" title="Last opp filer [u]" accesskey="u"><span>Last opp fil</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Spesial:Spesialsider" title="Liste over alle spesialsider [q]" accesskey="q"><span>Spesialsider</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Riboflavin&oldid=23126196" title="Permanent lenke til denne versjonen av siden"><span>Permanent lenke</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Riboflavin&action=info" title="Mer informasjon om denne siden"><span>Sideinformasjon</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Spesial:Siteringshjelp&page=Riboflavin&id=23126196&wpFormIdentifier=titleform" title="Informasjon om hvordan denne siden kan siteres"><span>Siter denne siden</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Spesial:UrlShortener&url=https%3A%2F%2Fno.wikipedia.org%2Fwiki%2FRiboflavin"><span>Hent forkortet URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Spesial:QrCode&url=https%3A%2F%2Fno.wikipedia.org%2Fwiki%2FRiboflavin"><span>Last ned QR-kode</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut / eksporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Spesial:DownloadAsPdf&page=Riboflavin&action=show-download-screen"><span>Last ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Riboflavin&printable=yes" title="Utskriftsvennlig versjon av denne siden [p]" accesskey="p"><span>Utskriftsvennlig versjon</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andre prosjekter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Riboflavin" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q130365" title="Lenke til koblet dataregisterelement [g]" accesskey="g"><span>Wikidata-element</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sideverktøy"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav 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solid #ccc}.mw-parser-output .infoboks.bordered tr.rad td{border-bottom:1px solid #ccc}</style><table class="infobox infoboks kjemi bred"><caption class="over">Riboflavin</caption><tbody><tr class="overskrift"><td colspan="4" class="center">Systematisk (<a href="/wiki/IUPAC-nomenklatur" title="IUPAC-nomenklatur">IUPAC</a>)-navn</td></tr><tr class="rad"><td colspan="4" class="center center">7,8-Dimetyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroksypentyl]benzo[g]pteridin-2,4-dion</td></tr><tr class="overskrift"><td colspan="4" class="center">Identifikatorer</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/CAS-nummer" title="CAS-nummer">CAS-nummer</a></th><td colspan="2"><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=83-88-5">83-88-5</a></span></td></tr><tr class="rad"><th colspan="2"><a href="/wiki/ATC-nummer" class="mw-redirect" title="ATC-nummer">ATC-nummer</a></th><td colspan="2"><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="https://www.whocc.no/atc_ddd_index/?code=A11HA04">A11HA04</a>, <a rel="nofollow" class="external text" href="https://www.whocc.no/atc_ddd_index/?code=S01XA26">S01XA26</a></span> </td></tr><tr class="rad"><th colspan="2"><a href="/wiki/PubChem" title="PubChem">PubChem</a></th><td colspan="2"><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/493570">493570</a></span></td></tr><tr class="rad"><th colspan="2"><a href="/wiki/DrugBank" title="DrugBank">DrugBank</a></th><td colspan="2"><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="https://go.drugbank.com/drugs/DB00140">DB00140</a></span></td></tr><tr class="rad"><th colspan="2"><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a></th><td colspan="2"><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.431981.html">431981</a></span></td></tr><tr class="overskrift"><td colspan="4" class="center">Kjemiske data</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/Kjemisk_formel" title="Kjemisk formel">Formel</a></th><td colspan="2">C₁₇H₂₀N₄O₆</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/Molar_masse" title="Molar masse">Molmasse</a></th><td colspan="2">376,138 g/mol</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/SMILES" title="SMILES">SMILES</a></th><td colspan="2"><span class="mw-collapsible mw-collapsed" style="font-size: 10px;">CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(CO)O)O)O</span></td></tr><tr class="overskrift"><td colspan="4" class="center">Farmakokinetiske data</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/Metabolisme" class="mw-redirect" title="Metabolisme">Metabolisme</a></th><td colspan="2">Lever</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/Halveringstid#Farmakokinetikk" title="Halveringstid">Halveringstid</a></th><td colspan="2">66-84 minutter</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/Ekskresjon" title="Ekskresjon">Utskilling</a></th><td colspan="2">Urin</td></tr><tr class="overskrift"><td colspan="4" class="center">Terapeutiske data</td></tr><tr class="rad"><th colspan="2"><a href="/wiki/Legemiddel" title="Legemiddel">Lovlig status</a></th><td colspan="2">F-Preparat; selges uten resept<small> (<a href="/wiki/Norge" title="Norge">NO</a>) </small></td></tr><tr class="rad"><th colspan="2">Klassifisering</th><td colspan="2">Vitamin</td></tr> </tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/Fil:Riboflavin_v2.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Riboflavin_v2.svg/160px-Riboflavin_v2.svg.png" decoding="async" width="160" height="181" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Riboflavin_v2.svg/240px-Riboflavin_v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Riboflavin_v2.svg/320px-Riboflavin_v2.svg.png 2x" data-file-width="530" data-file-height="600" /></a><figcaption>Riboflavin</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/Fil:FAD.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/FAD.svg/160px-FAD.svg.png" decoding="async" width="160" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c6/FAD.svg/240px-FAD.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c6/FAD.svg/320px-FAD.svg.png 2x" data-file-width="463" data-file-height="638" /></a><figcaption>FAD</figcaption></figure> <p><b>Riboflavin</b>, også kalt <i>vitamin B<sub>2</sub></i>, <i>lactoflavin</i> eller <i>vitamin G</i>, er et vannløselig <a href="/wiki/Vitamin" title="Vitamin">vitamin</a> med en nøkkelrolle i å opprettholde helse hos mennesker og dyr. Navnet kommer fra det latinske ordet <i>flavus</i> som betyr gul og <i><a href="/wiki/Ribose" title="Ribose">ribose</a></i> som er et monosakkarid. Riboflavin inngår i hovedsak som en sentral komponent i <a href="/wiki/Kofaktor" title="Kofaktor"> kofaktorene</a> FAD (flavin adenin dinukleotid) og FMN (flavin mononukleotid) og er derfor nødvendig for alle flavoproteiner. Disse faktorer katalyserer ulike red-oks reaksjoner, og riboflavin er derfor nødvendig for en rekke cellulære prosesser. Som de andre B-vitaminene spiller den en sentral rolle i energi-metabolisme, og for metabolismen av fett, ketonlegemer, karbohydrater og proteiner. </p><p>Riboflavin er best kjent visuelt som det vitaminet som gir den oransje fargen til B-vitaminpreparater, den gule fargen på vitamintilskuddløsninger, og den uvanlige fluoriserende gule fargen på urinen til personer som bruker høydose B-komplekspreparater (ingen andre vitaminer gir farget urin). </p><p>Riboflavin ble isolert på 1930-tallet av <a href="/wiki/Melk" title="Melk">melk</a> og viste seg å være et vannløselig krystallinsk stoff med gulgrønn farge. Riboflavin er et <a href="/w/index.php?title=Nukleosid&action=edit&redlink=1" class="new" title="Nukleosid (ikke skrevet ennå)">nukleosid</a> som består av en nitrogenholdig base og sukkerderivatet <a href="/w/index.php?title=Ribotol&action=edit&redlink=1" class="new" title="Ribotol (ikke skrevet ennå)">ribotol</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Funksjon">Funksjon</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavin&veaction=edit&section=1" title="Rediger avsnitt: Funksjon" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavin&action=edit&section=1" title="Rediger kildekoden til seksjonen Funksjon"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Riboflavin er sentralt for cellenes energiproduksjon og er viktig for karbohydrat-, fett- og proteinforbrenningen. Vitaminet deltar også ved produksjon av flerumettede <a href="/wiki/Fettsyre" title="Fettsyre"> fettsyrer</a> og flere viktige <a href="/wiki/Hormon" title="Hormon"> hormoner</a>. Det aktiverer og støtter flere andre næringsstoffer i deres formål og effekter, blant annet <a href="/wiki/Niacin" title="Niacin">niacin</a>, <a href="/wiki/Folsyre" title="Folsyre">folsyre</a> og <a href="/wiki/Pyridoksin" title="Pyridoksin"> vitamin B<sub>6</sub></a> samt <a href="/wiki/Vitamin_K" title="Vitamin K">vitamin K</a>. En annen viktig funksjon er å bryte ned ulike giftstoffer og legemidler i <a href="/wiki/Lever" title="Lever"> leveren</a>. Riboflavin er også en av kroppens viktigste <a href="/wiki/Antioksidant" title="Antioksidant"> antioksidanter</a>. Når en fosforgruppe kobles på riboflavinmolekylene ved det femte karbonatomet dannes FMN som så blir byggesten til FAD. Omdanningen av riboflavin til sine enzymformer hemmes ved nedsatt funksjon i skjoldkjertelen eller binyrene. </p> <div class="mw-heading mw-heading2"><h2 id="Riboflavinkilder">Riboflavinkilder</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavin&veaction=edit&section=2" title="Rediger avsnitt: Riboflavinkilder" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavin&action=edit&section=2" title="Rediger kildekoden til seksjonen Riboflavinkilder"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Melk og melkeprodukter, egg, kjøtt, bladrike grønnsaker, lever, nyrer, belgfrukter, tomater, gjær, sopp, og mandler er gode kilder til riboflavin, men lyseksponering ødelegger vitaminet. Vitaminet absorberes i tynntarmen, og lagring av riboflavin i kroppen hos velnærte personer vil forhindre riboflavinmangel i opptil 5 måneder. Riboflavinoverskudd vil bli utskilt i urinen, og har ingen kjent toksisitet. </p><p>Når riboflavin brukes som <a href="/w/index.php?title=Fargestoff_i_mat&action=edit&redlink=1" class="new" title="Fargestoff i mat (ikke skrevet ennå)">fargestoff i mat</a>, har det <a href="/wiki/E-nummer" title="E-nummer">E-nummer</a> E101. </p><p>Anbefalt daglig inntak for barn er 0,4-1,1 mg, for kvinner 1,2-1,3 mg (gravide/ammende 1,6/1,7 mg) og for menn 1,3-1,6 mg. </p> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r23230704">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output 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