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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">vii külgpaanile</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">peida</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">Algus</div> </a> </li> <li id="toc-Allikad" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Allikad"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Allikad</span> </div> </a> <ul id="toc-Allikad-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Saamine_ja_depood" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Saamine_ja_depood"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Saamine ja depood</span> </div> </a> <ul id="toc-Saamine_ja_depood-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Biofunktsioonid" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Biofunktsioonid"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Biofunktsioonid</span> </div> </a> <ul id="toc-Biofunktsioonid-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Defitsiit" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Defitsiit"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Defitsiit</span> </div> </a> <ul id="toc-Defitsiit-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Manustamine" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Manustamine"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Manustamine</span> </div> </a> <ul id="toc-Manustamine-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ajaloolist" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ajaloolist"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Ajaloolist</span> </div> </a> <ul id="toc-Ajaloolist-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Vaata_ka" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Vaata_ka"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Vaata ka</span> </div> </a> <ul id="toc-Vaata_ka-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Viited" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Viited"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Viited</span> </div> </a> <ul id="toc-Viited-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 vector-page-titlebar"> <nav aria-label="Sisukord" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Lülita sisukord ümber" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button 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">Lülita sisukord ümber</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">B<sub>2</sub>-vitamiin</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="Mine teises keeles artiklisse. Saadaval 75 keeles" > <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 keelt</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Riboflavien" title="Riboflavien – afrikaani" lang="af" hreflang="af" data-title="Riboflavien" data-language-autonym="Afrikaans" data-language-local-name="afrikaani" 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 – araabia" lang="ar" hreflang="ar" data-title="فيتامين ب2" data-language-autonym="العربية" data-language-local-name="araabia" 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 – astuuria" lang="ast" hreflang="ast" data-title="Vitamina B2" data-language-autonym="Asturianu" data-language-local-name="astuuria" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Riboflavin" title="Riboflavin – indoneesia" lang="id" hreflang="id" data-title="Riboflavin" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneesia" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – malai" lang="ms" hreflang="ms" data-title="Vitamin B2" data-language-autonym="Bahasa Melayu" data-language-local-name="malai" class="interlanguage-link-target"><span>Bahasa Melayu</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 – valgevene" lang="be" hreflang="be" data-title="Рыбафлавін" data-language-autonym="Беларуская" data-language-local-name="valgevene" 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 – valgevene (taraškievitsa)" lang="be-tarask" hreflang="be-tarask" data-title="Рыбафлявін" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="valgevene (taraškievitsa)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – bosnia" lang="bs" hreflang="bs" data-title="Vitamin B2" data-language-autonym="Bosanski" data-language-local-name="bosnia" class="interlanguage-link-target"><span>Bosanski</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 – bulgaaria" lang="bg" hreflang="bg" data-title="Витамин B2" data-language-autonym="Български" data-language-local-name="bulgaaria" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Riboflavina" title="Riboflavina – katalaani" lang="ca" hreflang="ca" data-title="Riboflavina" data-language-autonym="Català" data-language-local-name="katalaani" 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 – tšehhi" lang="cs" hreflang="cs" data-title="Vitamín B2" data-language-autonym="Čeština" data-language-local-name="tšehhi" 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 – kõmri" lang="cy" hreflang="cy" data-title="Ribofflafin" data-language-autonym="Cymraeg" data-language-local-name="kõmri" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Riboflavin" title="Riboflavin – taani" lang="da" hreflang="da" data-title="Riboflavin" data-language-autonym="Dansk" data-language-local-name="taani" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Riboflavin" title="Riboflavin – saksa" lang="de" hreflang="de" data-title="Riboflavin" data-language-autonym="Deutsch" data-language-local-name="saksa" 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 – maldiivi" lang="dv" hreflang="dv" data-title="ވިޓަމިން ބީ2" data-language-autonym="ދިވެހިބަސް" data-language-local-name="maldiivi" class="interlanguage-link-target"><span>ދިވެހިބަސް</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 – kreeka" lang="el" hreflang="el" data-title="Ριβοφλαβίνη" data-language-autonym="Ελληνικά" data-language-local-name="kreeka" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="hea artikkel"><a href="https://en.wikipedia.org/wiki/Riboflavin" title="Riboflavin – inglise" lang="en" hreflang="en" data-title="Riboflavin" data-language-autonym="English" data-language-local-name="inglise" 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 – hispaania" lang="es" hreflang="es" data-title="Vitamina B2" data-language-autonym="Español" data-language-local-name="hispaania" 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 – baski" lang="eu" hreflang="eu" data-title="B2 bitamina" data-language-autonym="Euskara" data-language-local-name="baski" 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 – pärsia" lang="fa" hreflang="fa" data-title="ویتامین ب۲" data-language-autonym="فارسی" data-language-local-name="pärsia" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Riboflavin" title="Riboflavin – fääri" lang="fo" hreflang="fo" data-title="Riboflavin" data-language-autonym="Føroyskt" data-language-local-name="fääri" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Riboflavine" title="Riboflavine – prantsuse" lang="fr" hreflang="fr" data-title="Riboflavine" data-language-autonym="Français" data-language-local-name="prantsuse" 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 – iiri" lang="ga" hreflang="ga" data-title="Ribeaflaivin" data-language-autonym="Gaeilge" data-language-local-name="iiri" 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 – galeegi" lang="gl" hreflang="gl" data-title="Vitamina B2" data-language-autonym="Galego" data-language-local-name="galeegi" 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 – korea" lang="ko" hreflang="ko" data-title="리보플라빈" data-language-autonym="한국어" data-language-local-name="korea" 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 – armeenia" lang="hy" hreflang="hy" data-title="Վիտամին B2" data-language-autonym="Հայերեն" data-language-local-name="armeenia" 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 – horvaadi" lang="hr" hreflang="hr" data-title="Vitamin B2" data-language-autonym="Hrvatski" data-language-local-name="horvaadi" 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-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Riboflavina" title="Riboflavina – itaalia" lang="it" hreflang="it" data-title="Riboflavina" data-language-autonym="Italiano" data-language-local-name="itaalia" 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 – heebrea" lang="he" hreflang="he" data-title="ויטמין B2" data-language-autonym="עברית" data-language-local-name="heebrea" 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 – kasahhi" lang="kk" hreflang="kk" data-title="Рибофлавин" data-language-autonym="Қазақша" data-language-local-name="kasahhi" 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 – ruanda" lang="rw" hreflang="rw" data-title="Vitamini B2" data-language-autonym="Ikinyarwanda" data-language-local-name="ruanda" 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 – kirgiisi" lang="ky" hreflang="ky" data-title="Рибофлавин" data-language-autonym="Кыргызча" data-language-local-name="kirgiisi" 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 – läti" lang="lv" hreflang="lv" data-title="B2 vitamīns" data-language-autonym="Latviešu" data-language-local-name="läti" 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 – letseburgi" lang="lb" hreflang="lb" data-title="Riboflavin" data-language-autonym="Lëtzebuergesch" data-language-local-name="letseburgi" 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 – leedu" lang="lt" hreflang="lt" data-title="Riboflavinas" data-language-autonym="Lietuvių" data-language-local-name="leedu" 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 – ungari" lang="hu" hreflang="hu" data-title="Riboflavin" data-language-autonym="Magyar" data-language-local-name="ungari" 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 – makedoonia" lang="mk" hreflang="mk" data-title="Рибофлавин" data-language-autonym="Македонски" data-language-local-name="makedoonia" 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 – malajalami" lang="ml" hreflang="ml" data-title="റൈബോഫ്ലേവിൻ" data-language-autonym="മലയാളം" data-language-local-name="malajalami" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Riboflavine" title="Riboflavine – hollandi" lang="nl" hreflang="nl" data-title="Riboflavine" data-language-autonym="Nederlands" data-language-local-name="hollandi" 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 – jaapani" lang="ja" hreflang="ja" data-title="リボフラビン" data-language-autonym="日本語" data-language-local-name="jaapani" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Riboflavin" title="Riboflavin – norra bokmål" lang="nb" hreflang="nb" data-title="Riboflavin" data-language-autonym="Norsk bokmål" data-language-local-name="norra bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – oksitaani" lang="oc" hreflang="oc" data-title="Vitamina B2" data-language-autonym="Occitan" data-language-local-name="oksitaani" 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 – oria" lang="or" hreflang="or" data-title="ରାଇବୋଫ୍ଲାଭିନ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="oria" 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 – usbeki" lang="uz" hreflang="uz" data-title="Riboflavin" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbeki" 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 – poola" lang="pl" hreflang="pl" data-title="Witamina B2" data-language-autonym="Polski" data-language-local-name="poola" 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 – portugali" lang="pt" hreflang="pt" data-title="Riboflavina" data-language-autonym="Português" data-language-local-name="portugali" 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 – rumeenia" lang="ro" hreflang="ro" data-title="Riboflavină" data-language-autonym="Română" data-language-local-name="rumeenia" 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 – vene" lang="ru" hreflang="ru" data-title="Рибофлавин" data-language-autonym="Русский" data-language-local-name="vene" 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 – jakuudi" lang="sah" hreflang="sah" data-title="Рибофлавин В2" data-language-autonym="Саха тыла" data-language-local-name="jakuudi" 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 – šoti" lang="sco" hreflang="sco" data-title="Riboflavin" data-language-autonym="Scots" data-language-local-name="šoti" 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 – albaania" lang="sq" hreflang="sq" data-title="Vitamina B2" data-language-autonym="Shqip" data-language-local-name="albaania" 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 – lihtsustatud inglise" lang="en-simple" hreflang="en-simple" data-title="Riboflavin" data-language-autonym="Simple English" data-language-local-name="lihtsustatud inglise" 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 – slovaki" lang="sk" hreflang="sk" data-title="Riboflavín" data-language-autonym="Slovenčina" data-language-local-name="slovaki" 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 – sloveeni" lang="sl" hreflang="sl" data-title="Riboflavin" data-language-autonym="Slovenščina" data-language-local-name="sloveeni" 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 – sorani" lang="ckb" hreflang="ckb" data-title="ڤیتامین بی ٢" data-language-autonym="کوردی" data-language-local-name="sorani" 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 – serbia" lang="sr" hreflang="sr" data-title="Витамин Б2" data-language-autonym="Српски / srpski" data-language-local-name="serbia" 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 – serbia-horvaadi" lang="sh" hreflang="sh" data-title="Vitamin B2" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbia-horvaadi" 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 – sunda" lang="su" hreflang="su" data-title="Riboflavin" data-language-autonym="Sunda" data-language-local-name="sunda" 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 – soome" lang="fi" hreflang="fi" data-title="Riboflaviini" data-language-autonym="Suomi" data-language-local-name="soome" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Riboflavin" title="Riboflavin – rootsi" lang="sv" hreflang="sv" data-title="Riboflavin" data-language-autonym="Svenska" data-language-local-name="rootsi" class="interlanguage-link-target"><span>Svenska</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 – tamili" lang="ta" hreflang="ta" data-title="ரிபோஃபிளாவின்" data-language-autonym="தமிழ்" data-language-local-name="tamili" 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 – tai" lang="th" hreflang="th" data-title="ไรโบเฟลวิน" data-language-autonym="ไทย" data-language-local-name="tai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Riboflavin" title="Riboflavin – vietnami" lang="vi" hreflang="vi" data-title="Riboflavin" data-language-autonym="Tiếng Việt" data-language-local-name="vietnami" class="interlanguage-link-target"><span>Tiếng Việt</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 – tadžiki" lang="tg" hreflang="tg" data-title="Рибофлавин" data-language-autonym="Тоҷикӣ" data-language-local-name="tadžiki" 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 – türgi" lang="tr" hreflang="tr" data-title="Riboflavin" data-language-autonym="Türkçe" data-language-local-name="türgi" 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 – tõva" lang="tyv" hreflang="tyv" data-title="Витамин В2" data-language-autonym="Тыва дыл" data-language-local-name="tõva" 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 – ukraina" lang="uk" hreflang="uk" data-title="Рибофлавін" data-language-autonym="Українська" data-language-local-name="ukraina" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Riboflavene" title="Riboflavene – vallooni" lang="wa" hreflang="wa" data-title="Riboflavene" data-language-autonym="Walon" data-language-local-name="vallooni" 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 – uu" lang="wuu" hreflang="wuu" data-title="核黄素" data-language-autonym="吴语" data-language-local-name="uu" 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 – kantoni" lang="yue" hreflang="yue" data-title="維他命B2" data-language-autonym="粵語" data-language-local-name="kantoni" 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 – hiina" lang="zh" hreflang="zh" data-title="核黄素" data-language-autonym="中文" data-language-local-name="hiina" 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="Muuda keelelinke" class="wbc-editpage">Muuda linke</a></span></div> </div> </div> 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.mw-parser-output .cmbox{background-color:#0d1a27}html.skin-theme-clientpref-night .mw-parser-output .tmbox{background-color:#2e2505}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cmbox{background-color:#0d1a27}html.skin-theme-clientpref-os .mw-parser-output .tmbox{background-color:#2e2505}}</style></div><table class="metadata plainlinks ambox ambox-content" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Edit-copy_orange_button.svg/35px-Edit-copy_orange_button.svg.png" decoding="async" width="35" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Edit-copy_orange_button.svg/53px-Edit-copy_orange_button.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Edit-copy_orange_button.svg/70px-Edit-copy_orange_button.svg.png 2x" data-file-width="43" data-file-height="43" /></span></span></td><td class="mbox-text"><div class="mbox-text-span"><b>See artikkel</b> <b>vajab <a href="/wiki/Vikipeedia:Artiklite_toimetamine" title="Vikipeedia:Artiklite toimetamine">toimetamist</a></b>.<span class="hide-when-compact"></span> <small><i>(Jaanuar 2009)</i></small><span class="hide-when-compact"> <br /><small>Palun aita <a class="external text" href="https://et.wikipedia.org/w/index.php?title=B2-vitamiin&action=edit">artiklit toimetada</a>.</small> <small>(<a href="/wiki/Juhend:Toimetusm%C3%A4rkuste_eemaldamine" title="Juhend:Toimetusmärkuste eemaldamine">Kuidas ja millal see märkus eemaldada?</a>)</small></span><span class="hide-when-compact"></span></div></td></tr></tbody></table> <table align="right" width="300" border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse"> <tbody><tr bgcolor="#9ADEF1"> <td align="center" colspan="2"><i>Riboflaviin</i> </td></tr> <tr style="border-top: 3px solid gray"> <th bgcolor="#73FB97" colspan="2">Füüsikalis-keemilised omadused </th></tr> <tr> <td bgcolor="#ffeedd"><a href="/wiki/Keemiline_valem" title="Keemiline valem">Keemiline valem</a> </td> <td>C<sub>17</sub>H<sub>20</sub>N<sub>4</sub>O<sub>6</sub> </td></tr> <tr> <td bgcolor="#ffeedd"><a href="/wiki/Molaarmass" title="Molaarmass">Molaarmass</a> </td> <td>376-36 </td></tr> <tr> <th bgcolor="#73FB97" colspan="2">Sünonüümid </th></tr> <tr bgcolor="#ffeedd"> <td colspan="2"> <ul><li><a href="/wiki/Vitamiin_B2" class="mw-redirect" title="Vitamiin B2">B<sub>2</sub>-vitamiin</a>, <a href="/wiki/G-vitamiin" class="mw-redirect" title="G-vitamiin">G-vitamiin</a>, <a href="/wiki/Laktoflaviin" class="mw-redirect" title="Laktoflaviin">laktoflaviin</a>, <a href="/w/index.php?title=Hepatoflaviin&action=edit&redlink=1" class="new" title="Hepatoflaviin (pole veel kirjutatud)">hepatoflaviin</a>, <a href="/w/index.php?title=Ovoflaviin&action=edit&redlink=1" class="new" title="Ovoflaviin (pole veel kirjutatud)">ovoflaviin</a>, antidermatiitne vitamiin jpt.</li></ul> </td></tr></tbody></table> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fail:Riboflavin.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/36/Riboflavin.svg/220px-Riboflavin.svg.png" decoding="async" width="220" height="215" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/36/Riboflavin.svg/330px-Riboflavin.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/36/Riboflavin.svg/440px-Riboflavin.svg.png 2x" data-file-width="440" data-file-height="430" /></a><figcaption>Riboflaviini struktuurivalem</figcaption></figure> <p><b>B<sub>2</sub>-vitamiin</b> ehk <b>G-vitamiin</b> ehk <b>riboflaviin</b> on koondnimetus B<sub>2</sub>-vitamiini laadset <a href="/w/index.php?title=Stomatiit&action=edit&redlink=1" class="new" title="Stomatiit (pole veel kirjutatud)">antistomatiitset</a>, <a href="/w/index.php?title=Glossiit&action=edit&redlink=1" class="new" title="Glossiit (pole veel kirjutatud)">antiglossiitset</a> ja <a href="/w/index.php?title=Dermatiit&action=edit&redlink=1" class="new" title="Dermatiit (pole veel kirjutatud)">antidermatiitset</a> toimet avaldavate, nii looduslike kui ka sünteetiliste ainete kohta ja <a href="/wiki/B-r%C3%BChma_vitamiinid" title="B-rühma vitamiinid">B-rühma</a> liigitatud <a href="/wiki/Vitamiin" class="mw-redirect" title="Vitamiin">vitamiin</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Allikad">Allikad</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=1" title="Muuda alaosa "Allikad"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=1" title="Muuda alaosa "Allikad" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Piim" title="Piim">Piimas</a> olevat riboflaviini nimetatakse <b>laktoflaviiniks</b>.</li> <li><a href="/w/index.php?title=Munakollane&action=edit&redlink=1" class="new" title="Munakollane (pole veel kirjutatud)">Munakollases</a> olevat riboflaviini nimetatakse <b>ovaflaviiniks</b>.</li> <li><a href="/wiki/Maks" title="Maks">Maksas</a> olevat riboflaviini nimetatakse <b>hepatoflaviiniks</b>.</li> <li>Taimedes leiduvat riboflaviini nimetatakse <b>verdoflaviiniks</b>.</li> <li>Uriinis leiduvat riboflaviini nimetatakse <a href="/w/index.php?title=Uroflaviin&action=edit&redlink=1" class="new" title="Uroflaviin (pole veel kirjutatud)">uroflaviiniks</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Saamine_ja_depood">Saamine ja depood</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=2" title="Muuda alaosa "Saamine ja depood"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=2" title="Muuda alaosa "Saamine ja depood" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Toidus on B<sub>2</sub>-vitamiin <a href="/wiki/Koens%C3%BC%C3%BCm" class="mw-redirect" title="Koensüüm">koensüümina</a> <a href="/w/index.php?title=Flavoproteiinid&action=edit&redlink=1" class="new" title="Flavoproteiinid (pole veel kirjutatud)">flavoproteiinides</a> (v.a piimas). <a href="/w/index.php?title=Seedeens%C3%BC%C3%BCmid&action=edit&redlink=1" class="new" title="Seedeensüümid (pole veel kirjutatud)">Seedeensüümid</a> vabastavad neist B<sub>2</sub>-vitamiini, mis imendub <a href="/wiki/Peensool" title="Peensool">peensooles</a> kandja vahendatud aktiivse transpordina (seda soodustavad <a href="/w/index.php?title=Sapphapped&action=edit&redlink=1" class="new" title="Sapphapped (pole veel kirjutatud)">sapphapped</a>). </p><p>Imendumist pärsivad <a href="/wiki/Alkohol" class="mw-redirect" title="Alkohol">alkohol</a>, <a href="/wiki/Kohv" title="Kohv">kohv</a>, <a href="/wiki/Suitsetamine" title="Suitsetamine">suitsetamine</a>, mitmed <a href="/wiki/Antibiootikum" class="mw-redirect" title="Antibiootikum">antibiootikumid</a>, suukaudsed <a href="/wiki/Rasestumisvastased_vahendid" title="Rasestumisvastased vahendid">rasestumisvastased preparaadid</a>. Riboflaviin fosforüülub koerakkudes <a href="/w/index.php?title=FMN&action=edit&redlink=1" class="new" title="FMN (pole veel kirjutatud)">FMN</a>-is, millest tekib <a href="/w/index.php?title=FAD&action=edit&redlink=1" class="new" title="FAD (pole veel kirjutatud)">FAD</a>. Mõlema teket stimuleerivad <a href="/w/index.php?title=Kilpn%C3%A4%C3%A4rehormoonid&action=edit&redlink=1" class="new" title="Kilpnäärehormoonid (pole veel kirjutatud)">kilpnäärehormoonid</a>. Tagavara <a href="/wiki/Neerud" title="Neerud">neerudes</a> ja <a href="/wiki/Maks" title="Maks">maksas</a> on suhteliselt tagasihoidlik, mistõttu peab seda saama pidevalt toiduga; seda sisaldavad näiteks piim, <a href="/wiki/Jogurt" title="Jogurt">jogurt</a>, <a href="/w/index.php?title=Maks_(toiduaine)&action=edit&redlink=1" class="new" title="Maks (toiduaine) (pole veel kirjutatud)">maks</a>, <a href="/wiki/Kala_(toit)" title="Kala (toit)">kala</a> ja <a href="/wiki/Spinat" class="mw-redirect" title="Spinat">spinat</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Biofunktsioonid">Biofunktsioonid</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=3" title="Muuda alaosa "Biofunktsioonid"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=3" title="Muuda alaosa "Biofunktsioonid" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tema bioaktiivsus realiseerub läbi koensüümsete vormide FMN ja FAD. Mõlemad on vajalikud redoksprotsesside <a href="/wiki/Ens%C3%BC%C3%BCmid" class="mw-redirect" title="Ensüümid">ensüümides</a>, nt: </p> <ul><li><a href="/w/index.php?title=PyrDH&action=edit&redlink=1" class="new" title="PyrDH (pole veel kirjutatud)">PyrDH</a>,</li> <li><a href="/w/index.php?title=Suktsinaadi_DH&action=edit&redlink=1" class="new" title="Suktsinaadi DH (pole veel kirjutatud)">suktsinaadi DH</a> (mis osaleb <a href="/wiki/S%C3%BCsivesikud" class="mw-redirect" title="Süsivesikud">süsivesikute</a>, <a href="/wiki/Rasvhapped" title="Rasvhapped">rasvhapete</a> ja aminohapete katabolismis),</li> <li><a href="/w/index.php?title=Ksantiini_oks%C3%BCdaas&action=edit&redlink=1" class="new" title="Ksantiini oksüdaas (pole veel kirjutatud)">ksantiini oksüdaas</a> (rasvhapete oksüdatsiooni ja <a href="/w/index.php?title=Hingamisahel&action=edit&redlink=1" class="new" title="Hingamisahel (pole veel kirjutatud)">hingamisahela</a> ensüümid),</li> <li>B<sub>2</sub>-vitamiin on vajalik <a href="/wiki/Juuksed" title="Juuksed">juuste</a>, <a href="/wiki/Nahk" title="Nahk">naha</a> ja <a href="/wiki/K%C3%BC%C3%BCs" title="Küüs">küünte</a> normaalseks arenguks ning nägemisprotsessis.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Defitsiit">Defitsiit</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=4" title="Muuda alaosa "Defitsiit"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=4" title="Muuda alaosa "Defitsiit" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Normaalsel toitumisel ei esine. Kestev alkoholi, kohvi ja musta tee tarbimine, suitsetamine, antibiootikumid, piimatoodete puudus toidus ja kestev väga rohke <a href="/wiki/Suhkur" class="mw-redirect" title="Suhkur">suhkru</a> tarbimine viib teatud defitsiidi kujunemisele. </p><p>Esmatunnused: </p> <ul><li>pragunevad katkised suunurgad ja huuled</li> <li>nõrkus</li> <li><a href="/wiki/Depressioon" title="Depressioon">depressioon</a></li></ul> <p>B<sub>2</sub>-<a href="/wiki/Avitaminoos" title="Avitaminoos">avitaminoos</a>: </p> <ul><li><a href="/wiki/Keel_(anatoomia)" title="Keel (anatoomia)">keele</a>- ja <a href="/wiki/Limaskest" title="Limaskest">limaskestapõletikud</a></li> <li>silmade valguspelgus</li> <li><a href="/w/index.php?title=Dermatiit&action=edit&redlink=1" class="new" title="Dermatiit (pole veel kirjutatud)">dermatiit</a> nina ja silmade ümbruses</li></ul> <p>NB! Enamasti on B<sub>2</sub>-avitaminoosi puhul tegu ka <a href="/wiki/Tiamiin" class="mw-redirect" title="Tiamiin">tiamiini</a>, <a href="/wiki/Niatsiin" class="mw-redirect" title="Niatsiin">niatsiini</a>, <a href="/wiki/Vitamiin_B6" class="mw-redirect" title="Vitamiin B6">B<sub>6</sub>-vitamiini</a> ja <a href="/wiki/Foolhape" title="Foolhape">foolhappe</a> defitsiidiga. </p> <div class="mw-heading mw-heading2"><h2 id="Manustamine">Manustamine</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=5" title="Muuda alaosa "Manustamine"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=5" title="Muuda alaosa "Manustamine" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vajalik on kolmetasandiline lähenemine: </p> <ul><li>absoluutne tagatav miinimum 1,4–1,7 mg (RDA);</li> <li>tervise optimaalseks tagamiseks tänapäeval kuni 5 mg;</li> <li>terapeutiline tase alates 25 mg.</li></ul> <p>Manustamine on hädavajalik defitsiidile viitavate sümptomite korral. </p><p>Vitamiini oskuslik/adekvaatne manustamine ravi ühe komponendina võib olla efektiivne <a href="/wiki/Alkoholism" title="Alkoholism">alkoholismi</a>, <a href="/w/index.php?title=Pellagra&action=edit&redlink=1" class="new" title="Pellagra (pole veel kirjutatud)">pellagra</a>, <a href="/wiki/Alzheimeri_t%C3%B5bi" title="Alzheimeri tõbi">Alzheimeri tõbi</a>, <a href="/w/index.php?title=Parkinsonism&action=edit&redlink=1" class="new" title="Parkinsonism (pole veel kirjutatud)">parkinsonismi</a>, dermatiidi, <a href="/wiki/Katarakt" title="Katarakt">katarakti</a> ja muude haiguste puhul. </p><p>Võimalusel tuleks manustada koos tiamiimi, niatsiini, B<sub>6</sub>-vitamiini, C-vitamiini ja foolhappega. </p><p>Päevane ohutu koguannus korduval manustamisel on 100 mg ja ühekordsel 200 mg. Toksilisust pole täheldatud. </p> <div class="mw-heading mw-heading2"><h2 id="Ajaloolist">Ajaloolist</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=6" title="Muuda alaosa "Ajaloolist"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=6" title="Muuda alaosa "Ajaloolist" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/1879" title="1879">1879</a>. aastal eraldas <a href="/w/index.php?title=A.W.Blyth&action=edit&redlink=1" class="new" title="A.W.Blyth (pole veel kirjutatud)">A.W. Blyth</a> <a href="/wiki/Vadak" title="Vadak">vadakust</a> ebapuhta flaviini – laktokroomi.</li> <li><a href="/wiki/1929" title="1929">1929</a>. aastal eraldas <a href="/wiki/Richard_Kuhn" title="Richard Kuhn">Richard Kuhn</a>, koos <a href="/wiki/Paul_Gy%C3%B6rgy" title="Paul György">Paul György</a> ja <a href="/wiki/Theodor_Wagner-Jauregg" title="Theodor Wagner-Jauregg">Theodor Wagner-Jaureggiga</a>, keemiliselt B<sub>2</sub>-vitamiini;<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/1933" title="1933">1933</a>. aastaks eraldasid Kuhn, György, P. ja Wagner-Jauregg, T. puhast riboflaviini <a href="/wiki/P%C3%A4rm" title="Pärm">pärmist</a>, <a href="/wiki/Munavalge" title="Munavalge">munavalgest</a> ja <a href="/wiki/Vadak" title="Vadak">vadakust</a>.</li> <li><a href="/wiki/1933" title="1933">1933</a>.–<a href="/wiki/1934" title="1934">1934</a>. aastal koostas ta koos Theodor Wagner-Jaureggiga B<sub>2</sub>-vitamiini struktuuri.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li></ul> <p>Enam-vähem samal ajal <a href="/wiki/Paul_Karrer" title="Paul Karrer">Paul Karreriga</a> (1935) teatas Kuhn B<sub>2</sub>-vitamiini struktuuri kindlaksmääramisest ja sünteesimisest. Ta eraldas ligi 1 <a href="/wiki/Gramm" title="Gramm">grammi</a> riboflaviini 5300 liitrist kooritud piimast (ingl k <i>skim milk</i>), ühtlasi oli ta esimene, kes vitamiini eraldas.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Paul Karreri koostatud sünteesimeetodi võttis vitamiini sünteetiliseks tootmiseks kasutusele <a href="/wiki/Hoffmann%E2%80%93La_Roche" title="Hoffmann–La Roche">Hoffmann–La Roche</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Vaata_ka">Vaata ka</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=7" title="Muuda alaosa "Vaata ka"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=7" title="Muuda alaosa "Vaata ka" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/B-r%C3%BChma_vitamiinid" title="B-rühma vitamiinid">B-rühma vitamiinid</a></li> <li><a href="/wiki/Vitamiinid" title="Vitamiinid">Vitamiinid</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Viited">Viited</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B2-vitamiin&veaction=edit&section=8" title="Muuda alaosa "Viited"" class="mw-editsection-visualeditor"><span>muuda</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B2-vitamiin&action=edit&section=8" title="Muuda alaosa "Viited" lähteteksti"><span>muuda lähteteksti</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">Paul György, Perspectives in nutrition, The American Journal of Clinical Nutrition 24: OCTOBER 1971, pp. 1250-1256. Printed in U.S.A., <i>Developments leading to the metabolic role of vitamin B6</i>,<a rel="nofollow" class="external autonumber" href="http://ajcn.nutrition.org/content/24/10/1250.full.pdf">[1]</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Wilhelm Friedrich, <a rel="nofollow" class="external text" href="http://books.google.ee/books?id=VS9YWqnMpNsC&pg=PA405&lpg=PA405&dq=discovery+of+the+FAD+as+a+coenzyme+of+the+d-amino+acid+oxydase+by+Kuhn&source=bl&ots=vb8o4cam1M&sig=DjYuO5MqK2ZTrKpFKxQPLEgDpGM&hl=et&sa=X&ei=yTrgUZ32CsmQswbzkICQCg&ved=0CC4Q6AEwAQ#v=onepage&q=discovery%20of%20the%20FAD%20as%20a%20coenzyme%20of%20the%20d-amino%20acid%20oxydase%20by%20Kuhn&f=false">"Vitamins"</a>, lk 408, 1988, <a href="/wiki/Eri:Raamatuotsimine/3110102447" class="internal mw-magiclink-isbn">ISBN 3-11-010244-7</a>, Google'i raamatu veebiversioon (vaadatud 12.07.2013)</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Laylin K. James, <a rel="nofollow" class="external text" href="http://books.google.ee/books?id=jEy67gEvIuMC&pg=PA248&dq=richard+kuhn&hl=et&sa=X&ei=M53dUb25ItHktQbDjYHgDA&ved=0CDoQ6AEwAjgK#v=onepage&q=richard%20kuhn&f=false">"Nobel Laureates in Chemistry"</a>, 1901-1992, lk 250-252, 1994, American Chemical Society and Chemical Heritange Foundation, Google'i raamatu veebiversioon (vaadatud 11.07.2013)</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">Walter Sneader, <a rel="nofollow" class="external text" href="http://books.google.ee/books?id=jglFsz5EJR8C&pg=PA231&dq=conrad+elvehjem&hl=et&sa=X&ei=AcoQUqHyIIGOtAbEz4HQBg&redir_esc=y#v=onepage&q=conrad%20elvehjem&f=false">"Drug discovery"</a>, lk 230, 2005, John Wiley Sons, Google'i raamatu osaline veebiversioon (vaadatud 18.08.2013), <a href="/wiki/Eri:Raamatuotsimine/9780471899792" class="internal mw-magiclink-isbn">ISBN 978-0-471-89979-2</a></span> </li> </ol></div></div>    </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="">Pärit leheküljelt "<a dir="ltr" href="https://et.wikipedia.org/w/index.php?title=B2-vitamiin&oldid=6556491">https://et.wikipedia.org/w/index.php?title=B2-vitamiin&oldid=6556491</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Eri:Kategooriad" title="Eri:Kategooriad">Kategooriad</a>: <ul><li><a href="/wiki/Kategooria:B-vitamiinid" title="Kategooria:B-vitamiinid">B-vitamiinid</a></li><li><a href="/wiki/Kategooria:Toiduv%C3%A4rvid" title="Kategooria:Toiduvärvid">Toiduvärvid</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Peidetud kategooriad: <ul><li><a href="/wiki/Kategooria:ISBN-v%C3%B5lulingiga_lehek%C3%BCljed" title="Kategooria:ISBN-võlulingiga leheküljed">ISBN-võlulingiga leheküljed</a></li><li><a href="/wiki/Kategooria:Toimetamist_ootavad_(jaanuar_2009)" title="Kategooria:Toimetamist ootavad (jaanuar 2009)">Toimetamist ootavad (jaanuar 2009)</a></li><li><a href="/wiki/Kategooria:Toimetamist_ootavad" title="Kategooria:Toimetamist ootavad">Toimetamist ootavad</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"> Selle lehekülje viimane muutmine: 14:33, 10. jaanuar 2024.</li> <li id="footer-info-copyright">Tekst on kasutatav vastavalt Creative Commonsi litsentsile "<a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.et">Autorile viitamine + jagamine samadel tingimustel</a>"; sellele võivad lisanduda täiendavad tingimused. 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