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class="vector-toc-link" href="#Trūkumas"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Trūkumas</span> </div> </a> <ul id="toc-Trūkumas-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Riboflavinas_maiste" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Riboflavinas_maiste"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Riboflavinas maiste</span> </div> </a> <ul id="toc-Riboflavinas_maiste-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Šaltiniai_2" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Šaltiniai_2"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Šaltiniai</span> </div> </a> <ul id="toc-Šaltiniai_2-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="Turinys" 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="Toggle the table of contents" > <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">Toggle the table of contents</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">Riboflavinas</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="Go to an article in another language. Available in 75 languages" > <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 kalbų</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 – afrikanų" lang="af" hreflang="af" data-title="Riboflavien" data-language-autonym="Afrikaans" data-language-local-name="afrikanų" 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 – arabų" lang="ar" hreflang="ar" data-title="فيتامين ب2" data-language-autonym="العربية" data-language-local-name="arabų" 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 – asturianų" lang="ast" hreflang="ast" data-title="Vitamina B2" data-language-autonym="Asturianu" data-language-local-name="asturianų" class="interlanguage-link-target"><span>Asturianu</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 – baltarusių" lang="be" hreflang="be" data-title="Рыбафлавін" data-language-autonym="Беларуская" data-language-local-name="baltarusių" 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 – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Рыбафлявін" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" 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 – bulgarų" lang="bg" hreflang="bg" data-title="Витамин B2" data-language-autonym="Български" data-language-local-name="bulgarų" class="interlanguage-link-target"><span>Български</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 – bengalų" lang="bn" hreflang="bn" data-title="রিবোফ্লাভিন" data-language-autonym="বাংলা" data-language-local-name="bengalų" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – bosnių" lang="bs" hreflang="bs" data-title="Vitamin B2" data-language-autonym="Bosanski" data-language-local-name="bosnių" 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 – katalonų" lang="ca" hreflang="ca" data-title="Riboflavina" data-language-autonym="Català" data-language-local-name="katalonų" class="interlanguage-link-target"><span>Català</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 – soranių kurdų" lang="ckb" hreflang="ckb" data-title="ڤیتامین بی ٢" data-language-autonym="کوردی" data-language-local-name="soranių kurdų" class="interlanguage-link-target"><span>کوردی</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 – čekų" lang="cs" hreflang="cs" data-title="Vitamín B2" data-language-autonym="Čeština" data-language-local-name="čekų" 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 – valų" lang="cy" hreflang="cy" data-title="Ribofflafin" data-language-autonym="Cymraeg" data-language-local-name="valų" 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 – danų" lang="da" hreflang="da" data-title="Riboflavin" data-language-autonym="Dansk" data-language-local-name="danų" 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 – vokiečių" lang="de" hreflang="de" data-title="Riboflavin" data-language-autonym="Deutsch" data-language-local-name="vokiečių" 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 – divehų" lang="dv" hreflang="dv" data-title="ވިޓަމިން ބީ2" data-language-autonym="ދިވެހިބަސް" data-language-local-name="divehų" 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 – graikų" lang="el" hreflang="el" data-title="Ριβοφλαβίνη" data-language-autonym="Ελληνικά" data-language-local-name="graikų" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="vertingas straipsnis"><a href="https://en.wikipedia.org/wiki/Riboflavin" title="Riboflavin – anglų" lang="en" hreflang="en" data-title="Riboflavin" data-language-autonym="English" data-language-local-name="anglų" class="interlanguage-link-target"><span>English</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-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – ispanų" lang="es" hreflang="es" data-title="Vitamina B2" data-language-autonym="Español" data-language-local-name="ispanų" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/B2-vitamiin" title="B2-vitamiin – estų" lang="et" hreflang="et" data-title="B2-vitamiin" data-language-autonym="Eesti" data-language-local-name="estų" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/B2_bitamina" title="B2 bitamina – baskų" lang="eu" hreflang="eu" data-title="B2 bitamina" data-language-autonym="Euskara" data-language-local-name="baskų" 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 – persų" lang="fa" hreflang="fa" data-title="ویتامین ب۲" data-language-autonym="فارسی" data-language-local-name="persų" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Riboflaviini" title="Riboflaviini – suomių" lang="fi" hreflang="fi" data-title="Riboflaviini" data-language-autonym="Suomi" data-language-local-name="suomių" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Riboflavin" title="Riboflavin – farerų" lang="fo" hreflang="fo" data-title="Riboflavin" data-language-autonym="Føroyskt" data-language-local-name="farerų" 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 – prancūzų" lang="fr" hreflang="fr" data-title="Riboflavine" data-language-autonym="Français" data-language-local-name="prancūzų" 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 – airių" lang="ga" hreflang="ga" data-title="Ribeaflaivin" data-language-autonym="Gaeilge" data-language-local-name="airių" 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 – galisų" lang="gl" hreflang="gl" data-title="Vitamina B2" data-language-autonym="Galego" data-language-local-name="galisų" class="interlanguage-link-target"><span>Galego</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 – hebrajų" lang="he" hreflang="he" data-title="ויטמין B2" data-language-autonym="עברית" data-language-local-name="hebrajų" class="interlanguage-link-target"><span>עברית</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 – kroatų" lang="hr" hreflang="hr" data-title="Vitamin B2" data-language-autonym="Hrvatski" data-language-local-name="kroatų" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Riboflavin" title="Riboflavin – vengrų" lang="hu" hreflang="hu" data-title="Riboflavin" data-language-autonym="Magyar" data-language-local-name="vengrų" class="interlanguage-link-target"><span>Magyar</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 – armėnų" lang="hy" hreflang="hy" data-title="Վիտամին B2" data-language-autonym="Հայերեն" data-language-local-name="armėnų" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Riboflavin" title="Riboflavin – indoneziečių" lang="id" hreflang="id" data-title="Riboflavin" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziečių" class="interlanguage-link-target"><span>Bahasa Indonesia</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 – italų" lang="it" hreflang="it" data-title="Riboflavina" data-language-autonym="Italiano" data-language-local-name="italų" class="interlanguage-link-target"><span>Italiano</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 – japonų" lang="ja" hreflang="ja" data-title="リボフラビン" data-language-autonym="日本語" data-language-local-name="japonų" class="interlanguage-link-target"><span>日本語</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 – kazachų" lang="kk" hreflang="kk" data-title="Рибофлавин" data-language-autonym="Қазақша" data-language-local-name="kazachų" class="interlanguage-link-target"><span>Қазақша</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 – korėjiečių" lang="ko" hreflang="ko" data-title="리보플라빈" data-language-autonym="한국어" data-language-local-name="korėjiečių" class="interlanguage-link-target"><span>한국어</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 – kirgizų" lang="ky" hreflang="ky" data-title="Рибофлавин" data-language-autonym="Кыргызча" data-language-local-name="kirgizų" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Riboflavin" title="Riboflavin – liuksemburgiečių" lang="lb" hreflang="lb" data-title="Riboflavin" data-language-autonym="Lëtzebuergesch" data-language-local-name="liuksemburgiečių" class="interlanguage-link-target"><span>Lëtzebuergesch</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 – latvių" lang="lv" hreflang="lv" data-title="B2 vitamīns" data-language-autonym="Latviešu" data-language-local-name="latvių" class="interlanguage-link-target"><span>Latviešu</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 – makedonų" lang="mk" hreflang="mk" data-title="Рибофлавин" data-language-autonym="Македонски" data-language-local-name="makedonų" 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 – malajalių" lang="ml" hreflang="ml" data-title="റൈബോഫ്ലേവിൻ" data-language-autonym="മലയാളം" data-language-local-name="malajalių" 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 – malajiečių" lang="ms" hreflang="ms" data-title="Vitamin B2" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiečių" 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 – olandų" lang="nl" hreflang="nl" data-title="Riboflavine" data-language-autonym="Nederlands" data-language-local-name="olandų" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Riboflavin" title="Riboflavin – norvegų bukmolas" lang="nb" hreflang="nb" data-title="Riboflavin" data-language-autonym="Norsk bokmål" data-language-local-name="norvegų bukmolas" 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 – očitarų" lang="oc" hreflang="oc" data-title="Vitamina B2" data-language-autonym="Occitan" data-language-local-name="očitarų" 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 – odijų" lang="or" hreflang="or" data-title="ରାଇବୋଫ୍ଲାଭିନ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="odijų" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Witamina_B2" title="Witamina B2 – lenkų" lang="pl" hreflang="pl" data-title="Witamina B2" data-language-autonym="Polski" data-language-local-name="lenkų" 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 – portugalų" lang="pt" hreflang="pt" data-title="Riboflavina" data-language-autonym="Português" data-language-local-name="portugalų" 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 – rumunų" lang="ro" hreflang="ro" data-title="Riboflavină" data-language-autonym="Română" data-language-local-name="rumunų" 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 – rusų" lang="ru" hreflang="ru" data-title="Рибофлавин" data-language-autonym="Русский" data-language-local-name="rusų" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rw mw-list-item"><a href="https://rw.wikipedia.org/wiki/Vitamini_B2" title="Vitamini B2 – kinjaruandų" lang="rw" hreflang="rw" data-title="Vitamini B2" data-language-autonym="Ikinyarwanda" data-language-local-name="kinjaruandų" class="interlanguage-link-target"><span>Ikinyarwanda</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 – jakutų" lang="sah" hreflang="sah" data-title="Рибофлавин В2" data-language-autonym="Саха тыла" data-language-local-name="jakutų" 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 – škotų" lang="sco" hreflang="sco" data-title="Riboflavin" data-language-autonym="Scots" data-language-local-name="škotų" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Vitamin_B2" title="Vitamin B2 – serbų-kroatų" lang="sh" hreflang="sh" data-title="Vitamin B2" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbų-kroatų" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Riboflavin" title="Riboflavin – Simple English" lang="en-simple" hreflang="en-simple" data-title="Riboflavin" data-language-autonym="Simple English" data-language-local-name="Simple English" 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 – slovakų" lang="sk" hreflang="sk" data-title="Riboflavín" data-language-autonym="Slovenčina" data-language-local-name="slovakų" 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 – slovėnų" lang="sl" hreflang="sl" data-title="Riboflavin" data-language-autonym="Slovenščina" data-language-local-name="slovėnų" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Vitamina_B2" title="Vitamina B2 – albanų" lang="sq" hreflang="sq" data-title="Vitamina B2" data-language-autonym="Shqip" data-language-local-name="albanų" class="interlanguage-link-target"><span>Shqip</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 – serbų" lang="sr" hreflang="sr" data-title="Витамин Б2" data-language-autonym="Српски / srpski" data-language-local-name="serbų" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Riboflavin" title="Riboflavin – sundų" lang="su" hreflang="su" data-title="Riboflavin" data-language-autonym="Sunda" data-language-local-name="sundų" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Riboflavin" title="Riboflavin – švedų" lang="sv" hreflang="sv" data-title="Riboflavin" data-language-autonym="Svenska" data-language-local-name="švedų" 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 – tamilų" lang="ta" hreflang="ta" data-title="ரிபோஃபிளாவின்" data-language-autonym="தமிழ்" data-language-local-name="tamilų" class="interlanguage-link-target"><span>தமிழ்</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 – tadžikų" lang="tg" hreflang="tg" data-title="Рибофлавин" data-language-autonym="Тоҷикӣ" data-language-local-name="tadžikų" class="interlanguage-link-target"><span>Тоҷикӣ</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 – tajų" lang="th" hreflang="th" data-title="ไรโบเฟลวิน" data-language-autonym="ไทย" data-language-local-name="tajų" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Riboflavin" title="Riboflavin – turkų" lang="tr" hreflang="tr" data-title="Riboflavin" data-language-autonym="Türkçe" data-language-local-name="turkų" 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 – tuvių" lang="tyv" hreflang="tyv" data-title="Витамин В2" data-language-autonym="Тыва дыл" data-language-local-name="tuvių" 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 – ukrainiečių" lang="uk" hreflang="uk" data-title="Рибофлавін" data-language-autonym="Українська" data-language-local-name="ukrainiečių" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Riboflavin" title="Riboflavin – uzbekų" lang="uz" hreflang="uz" data-title="Riboflavin" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekų" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Riboflavin" title="Riboflavin – vietnamiečių" lang="vi" hreflang="vi" data-title="Riboflavin" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamiečių" 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 – valonų" lang="wa" hreflang="wa" data-title="Riboflavene" data-language-autonym="Walon" data-language-local-name="valonų" 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 – kinų kalbos vu tarmė" lang="wuu" hreflang="wuu" data-title="核黄素" data-language-autonym="吴语" data-language-local-name="kinų kalbos vu tarmė" class="interlanguage-link-target"><span>吴语</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 – kinų" lang="zh" hreflang="zh" data-title="核黄素" data-language-autonym="中文" data-language-local-name="kinų" class="interlanguage-link-target"><span>中文</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 – kinų kalbos Kantono tarmė" lang="yue" hreflang="yue" data-title="維他命B2" data-language-autonym="粵語" data-language-local-name="kinų kalbos Kantono tarmė" class="interlanguage-link-target"><span>粵語</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="Keisti tarpkalbines nuorodas" class="wbc-editpage">Keisti nuorodas</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="Vardų sritys"> <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/Riboflavinas" title="Rodyti puslapio turinį [c]" accesskey="c"><span>Straipsnis</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Aptarimas:Riboflavinas" rel="discussion" title="Puslapio turinio aptarimas [t]" accesskey="t"><span>Aptarimas</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input 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class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">paslėpti</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Straipsnis iš Vikipedijos, laisvosios enciklopedijos.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="lt" dir="ltr"><table class="toccolours" align="right" width="300" cellspacing="0" cellpadding="2" style="margin-bottom: 0.5em; margin-left: 1em; float: right; clear: right; font-size: 90%; valign:top;"> <tbody><tr> <td bgcolor="#ffddff" align="center" colspan="2"><b>Riboflavinas</b> </td></tr> <tr style="border-top: 3px solid gray"> <td colspan="2"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Vaizdas:Riboflavin_v2.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Riboflavin_v2.svg/150px-Riboflavin_v2.svg.png" decoding="async" width="150" height="170" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Riboflavin_v2.svg/225px-Riboflavin_v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Riboflavin_v2.svg/300px-Riboflavin_v2.svg.png 2x" data-file-width="530" data-file-height="600" /></a><figcaption></figcaption></figure> </td></tr> <tr style="border-top: 3px solid gray"> <th bgcolor="#ffddaa" colspan="2">Bendri duomenys </th></tr> <tr> <td bgcolor="#ffeedd">Cheminė formulė </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/Molekulin%C4%97_mas%C4%97" title="Molekulinė masė">Molekulinė masė</a> </td> <td>376 g/mol </td></tr> <tr> <th bgcolor="#ffeedd" colspan="2">Kiti pavadinimai </th></tr> <tr> <td colspan="2"> <ul><li>Vitaminas B<sub>2</sub></li> <li>Vitaminas G</li></ul> </td></tr> <tr> <th bgcolor="#ffddaa" colspan="2">Vitamino savybės </th></tr> <tr> <td bgcolor="#ffeedd">Tirpsta </td> <td>Vandenyje </td></tr> <tr> <td bgcolor="#ffeedd"><a href="/wiki/RDA" class="mw-redirect" title="RDA">RDA</a> (suaugusiam vyrui) </td> <td>1,7 <a href="/w/index.php?title=Miligramas&action=edit&redlink=1" class="new" title="Miligramas (puslapis neegzistuoja)">mg</a>/dieną </td></tr> <tr> <td bgcolor="#ffeedd">RDA (suaugusiai moteriai) </td> <td>1,4 <a href="/w/index.php?title=Miligramas&action=edit&redlink=1" class="new" title="Miligramas (puslapis neegzistuoja)">mg</a>/dieną </td></tr> <tr> <th bgcolor="#ffeedd" colspan="2">Trūkumo simptomai </th></tr> <tr> <td colspan="2"> <ul><li><a href="/wiki/Nuovargis" title="Nuovargis">Nuovargis</a></li> <li>Perštinčios akys</li> <li><a href="/w/index.php?title=Pelagra&action=edit&redlink=1" class="new" title="Pelagra (puslapis neegzistuoja)">pelagra</a></li> <li>Sutrūkinėję lūpų kampučiai</li></ul> </td></tr> <tr> <th bgcolor="#ffeedd" colspan="2">Pertekliaus simptomai </th></tr> <tr> <td colspan="2"> <ul><li><i>Nežinomi</i></li></ul> </td></tr> <tr> <th bgcolor="#ffddaa" colspan="2">Pagrindiniai Šaltiniai </th></tr> <tr> <td colspan="2"> <ul><li>Lapinės <a href="/wiki/Dar%C5%BEov%C4%97" class="mw-redirect" title="Daržovė">daržovės</a></li> <li>Kruopos (<a href="/wiki/Grikiai" class="mw-redirect" title="Grikiai">grikiai</a>, <a href="/wiki/Kvie%C4%8Diai" class="mw-redirect" title="Kviečiai">kviečiai</a>)</li> <li><a href="/wiki/Miel%C4%97s" title="Mielės">Mielės</a></li> <li>Pieno produktai</li> <li>Žuvies produktai</li> <li><a href="/wiki/Kiau%C5%A1inis" title="Kiaušinis">Kiaušiniai</a></li></ul> </td></tr> </tbody></table> <p><b>Riboflavinas</b> (<b>vitaminas G</b>, <b>vitaminas B<sub>2</sub></b>; <b>E101</b>) – lengvai įsisavinamas, vandenyje tirpus <a href="/wiki/B_grup%C4%97s_vitaminas" class="mw-redirect" title="B grupės vitaminas">B grupės vitaminas</a>, būtinas <a href="/wiki/Aminor%C5%ABg%C5%A1tis" class="mw-redirect" title="Aminorūgštis">aminorūgščių</a> ir <a href="/wiki/Baltymas" class="mw-redirect" title="Baltymas">baltymų</a> apykaitai bei gamybai. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Savybės"><span id="Savyb.C4.97s"></span>Savybės</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=1" title="Redaguoti skyrelį: Savybės" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=1" title="Edit section's source code: Savybės"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Chemiškai grynas riboflavinas yra <a href="/wiki/Oran%C5%BEin%C4%97" title="Oranžinė">oranžiniai</a> <a href="/w/index.php?title=Milteliai&action=edit&redlink=1" class="new" title="Milteliai (puslapis neegzistuoja)">milteliai</a>, vartojami kaip <a href="/w/index.php?title=Maistinis_da%C5%BEiklis&action=edit&redlink=1" class="new" title="Maistinis dažiklis (puslapis neegzistuoja)">maistinis dažiklis</a>. </p><p>Vitaminas kaupiasi <a href="/wiki/Smegenys" title="Smegenys">smegenyse</a>, <a href="/wiki/Kepenys" title="Kepenys">kepenyse</a>, <a href="/wiki/Inkstas" title="Inkstas">inkstuose</a>, <a href="/wiki/%C5%A0irdis" title="Širdis">širdyje</a>, bet jo atsargų nesusidaro, perteklius pašalinamas su <a href="/wiki/%C5%A0lapimas" title="Šlapimas">šlapimu</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Funkcijos">Funkcijos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=2" title="Redaguoti skyrelį: Funkcijos" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=2" title="Edit section's source code: Funkcijos"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vitaminas B<sub>2</sub> palaiko normalias <a href="/wiki/Oda" title="Oda">odos</a> ir <a href="/wiki/Gleivin%C4%97" title="Gleivinė">gleivinių</a> funkcijas, svarbus <a href="/wiki/Rega" title="Rega">regėjimui</a>, veikia <a href="/wiki/Riebalai" class="mw-redirect" title="Riebalai">riebalų</a> pasisavinimą ir sintezę. Riboflavinas svarbus ir <a href="/wiki/Eritrocitas" class="mw-redirect" title="Eritrocitas">raudonųjų kraujo kūnelių</a> formavimuisi, <a href="/wiki/Kaul%C5%B3_%C4%8Diulpai" title="Kaulų čiulpai">kaulų čiulpų</a> funkcijai, antikūnių gamybai, taip pat daro poveikį augimui. Jis būtinas norint išlaikyti sveiką <a href="/wiki/Oda" title="Oda">odą</a>, <a href="/wiki/Nagai" title="Nagai">nagus</a>, <a href="/wiki/Plaukai" class="mw-redirect" title="Plaukai">plaukus</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Šaltiniai"><span id=".C5.A0altiniai"></span>Šaltiniai</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=3" title="Redaguoti skyrelį: Šaltiniai" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=3" title="Edit section's source code: Šaltiniai"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vitaminą sintetina <a href="/wiki/Bakterija" class="mw-redirect" title="Bakterija">bakterijos</a>, <a href="/wiki/Miel%C4%97s" title="Mielės">mielės</a>, <a href="/wiki/Augalai" title="Augalai">augalai</a>. Riboflamino yra lapinėse <a href="/wiki/Dar%C5%BEov%C4%97" class="mw-redirect" title="Daržovė">daržovėse</a>, <a href="/wiki/Grikis" title="Grikis">grikių</a> <a href="/wiki/Kruopos" title="Kruopos">kruopose</a>, <a href="/wiki/Kvietys" title="Kvietys">kviečiuose</a>, <a href="/wiki/Alus" title="Alus">alaus</a> mielėse, <a href="/wiki/S%C5%ABris" title="Sūris">sūryje</a>, <a href="/wiki/%C5%BDuvis_(maistas)" title="Žuvis (maistas)">žuvies</a> ir <a href="/wiki/Pienas" title="Pienas">pieno</a> produktuose (išskyrus <a href="/wiki/Sviestas" title="Sviestas">sviestą</a>), <a href="/wiki/Kiau%C5%A1inis" title="Kiaušinis">kiaušiniuose</a>, <a href="/wiki/Migdolas" title="Migdolas">migdoluose</a>, <a href="/wiki/Soja" title="Soja">sojos</a> pupelėse. </p> <div class="mw-heading mw-heading3"><h3 id="Poreikis">Poreikis</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=4" title="Redaguoti skyrelį: Poreikis" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=4" title="Edit section's source code: Poreikis"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dienos norma vyrams – apie 1,7 mg, moterims – 1,4 mg. Nedidelis vitamino kiekis gaminamas <a href="/wiki/%C5%BDarnynas" title="Žarnynas">žarnyne</a> (sintezuoja bakterijos). Daugiau vitamino reikia nėštumo metu, vartojant kontraceptinius preparatus. </p> <div class="mw-heading mw-heading3"><h3 id="Trūkumas"><span id="Tr.C5.ABkumas"></span>Trūkumas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=5" title="Redaguoti skyrelį: Trūkumas" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=5" title="Edit section's source code: Trūkumas"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pirmieji požymiai – <a href="/wiki/Nuovargis" title="Nuovargis">nuovargis</a>, neveiklumas, <a href="/wiki/Trach%C4%97ja" title="Trachėja">gerklės</a> <a href="/wiki/Skausmas" title="Skausmas">skausmai</a>, įtrūkę lūpų kampai, perštinčios <a href="/wiki/Akis" title="Akis">akys</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Riboflavinas_maiste">Riboflavinas maiste</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=6" title="Redaguoti skyrelį: Riboflavinas maiste" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=6" title="Edit section's source code: Riboflavinas maiste"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Vaizdas:Riboflavin_powder.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Riboflavin_powder.jpg/200px-Riboflavin_powder.jpg" decoding="async" width="200" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Riboflavin_powder.jpg/300px-Riboflavin_powder.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/Riboflavin_powder.jpg/400px-Riboflavin_powder.jpg 2x" data-file-width="1266" data-file-height="1031" /></a><figcaption>Riboflavino milteliai</figcaption></figure> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Vaizdas:Riboflavin_solution.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Riboflavin_solution.jpg/200px-Riboflavin_solution.jpg" decoding="async" width="200" height="239" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Riboflavin_solution.jpg/300px-Riboflavin_solution.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Riboflavin_solution.jpg/400px-Riboflavin_solution.jpg 2x" data-file-width="1497" data-file-height="1788" /></a><figcaption>Riboflavino tirpalas</figcaption></figure> <p>Riboflavinas yra geltonas ar geltonai oranžinis, todėl naudojamas kaip <a href="/wiki/Maisto_da%C5%BEiklis" title="Maisto dažiklis">maisto dažiklis</a> (<a href="/wiki/E_numeris" title="E numeris">kodas E101</a>). Jis dedamas į kūdikių maistą, pusryčių dribsnius, makaronus, padažus, sūrį, vaisių gėrimus, vitaminais papildytus pieno produktus, kai kuriuos <a href="/wiki/Energinis_g%C4%97rimas" title="Energinis gėrimas">energinius gėrimus</a>. <br /><a href="/wiki/Miel%C4%97s" title="Mielės">Mielių</a> ekstraktas laikomas itin daug vitamino B<sub>2</sub> turinčiu produktu, taip pat daug B<sub>2</sub> turi <a href="/wiki/Kepenys" title="Kepenys">kepenys</a> ir <a href="/wiki/Inkstas" title="Inkstas">inkstai</a>. Kiti produktai šio vitamino šaltiniai yra kviečių <a href="/wiki/S%C4%97lenos" title="Sėlenos">sėlenos</a>, kiaušiniai, <a href="/wiki/M%C4%97sa" title="Mėsa">mėsa</a>, <a href="/wiki/Pienas" title="Pienas">pienas</a>, <a href="/wiki/S%C5%ABris" title="Sūris">sūriai</a>. Javų <a href="/wiki/Gr%C5%ABdai" class="mw-redirect" title="Grūdai">grūduose</a> flavinų yra palyginti nedaug, tačiau šalyse, kur <a href="/wiki/Javai" title="Javai">javai</a> yra pagrindinis maistas, jie kartu yra svarbus B<sub>2</sub> šaltinis.<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><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> </p><p>Perdirbant javų grūdus šalinant sėlenis ir gemalus paprastai prarandama iki 60% vitamino B<sub>2</sub>, todėl dalyje šalių (pvz., JAV) į baltus miltus šio vitamino deda papildomai. Vitaminizuoti dribsniai ir duona yra svarbus vitamino B<sub>2</sub> šaltinis. Į nušlifuotus ryžius (vadinamieji <i>baltieji ryžiai</i>) vitamino B<sub>2</sub> paprastai nededa, nes geltona vitamino spalva vizualiai nepriimtina ryžių kultūros šalių gyventojams. O lukštentuose nešlifuotuose ryžiuose (vad. <i>rudieji ryžiai</i>) daugumą riboflavino galima išlaikyti. Tam prieš ryžius apdorojant jie yra pakaitinami garuose. Dėl to daug flavinų iš gemalo ir aleurono sluoksnio pereina į <a href="/w/index.php?title=Endospermas&action=edit&redlink=1" class="new" title="Endospermas (puslapis neegzistuoja)">endospermą</a>. </p><p>Maiste yra tiek laisvo riboflavino, tiek su baltymais surišto <a href="/wiki/FMN" class="mw-redirect" title="FMN">FMN</a> bei <a href="/w/index.php?title=FAD&action=edit&redlink=1" class="new" title="FAD (puslapis neegzistuoja)">FAD</a>. Karvių piene daugiausia yra laisvo riboflavino, o FMN ir FAD mažai.<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> Nenugriebtame piene 14% flavinų yra nekovalentiškai susrišti su specifiniais baltymais.<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> Kiaušinių baltymai ir tryniai turi specializuotų riboflaviną sujungiančių sandėlinių baltymų, kurie laiko riboflaviną kol jo prireikia besivystančiam gemalui. </p><p>Į daugelį skystų maisto produktų įterpti riboflaviną sunku dėl jo prasto tirpumo vandenyje. Todėl jį pakeičia brangesnis, bet tirpesnis jo darinys <a href="/wiki/Riboflavin-5%27-fosfatas" title="Riboflavin-5'-fosfatas">riboflavin-5'-fosfatas</a> (<a href="/wiki/E101a" class="mw-redirect" title="E101a">E101a</a>). </p><p>Karščiu apdorojamame maiste riboflavinas yra stabilus, jei jo neveikia šviesa. Riboflavinas yra nestabilus bazinėje aplinkoje, tačiau maistas retai būna bazinės reakcijos. Tamsoje šaldytuve laikomame piene riboflavinas skyla lėtai.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Šaltiniai_2"><span id=".C5.A0altiniai_2"></span>Šaltiniai</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Riboflavinas&veaction=edit&section=7" title="Redaguoti skyrelį: Šaltiniai" class="mw-editsection-visualeditor"><span>redaguoti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Riboflavinas&action=edit&section=7" title="Edit section's source code: Šaltiniai"><span>redaguoti vikitekstą</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">Food Standards Agency, McCance and Widdowson’s The Composition of Foods, 6th summary ed, Royal Society of Chemistry, Cambridge, 2002</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Ball F.M. George, Riboflavin in Vitamins in Foods, Analysis, Bioavailability, and Stability. Taylor and Francis Group, New York, 2006. P168-175</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Ball F.M. George, Riboflavin in Vitamins in Foods, Analysis, Bioavailability, and Stability. Taylor and Francis Group, New York, 2006. P168-175</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">Kanno, C., Kanehara, N., Shirafuji, K., and et al. Binding Form of Vitamin B2 in Bovine Milk: its concentration, distribution, and binding linkage, J. Nutr. Sci. Vitaminol., 37, 15, 1991</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">Faron G, Drouin R, Pedneault L, et al. Recurrent cleft lip and palate in siblings of a patient with malabsorption syndrome, probably caused by hypovitaminosis A associated with folic acid and riboflavin deficiencies. Teratology 2001;63:161–3</span> </li> </ol> </div> <table class="navbox" cellspacing="0" style=";"><tbody><tr><td style="padding:2px;"><table cellspacing="0" class="nowraplinks collapsible autocollapse" style="width:100%;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="2" class="navbox-title"><div style="float:left;width:6em;text-align:left;"><div class="noprint plainlinks navbar" style="background:none; padding:0; font-weight:normal;;;background:none transparent;border:none;font-size:100%;; font-size:xx-small;"><a href="/wiki/%C5%A0ablonas:Vitaminai" title="Šablonas:Vitaminai"><span title="Žiūrėti šį šabloną" style=";;background:none transparent;border:none;font-size:100%;">Ž</span></a> <span style="font-size:80%;">•</span> <a href="/w/index.php?title=%C5%A0ablono_aptarimas:Vitaminai&action=edit&redlink=1" class="new" title="Šablono aptarimas:Vitaminai (puslapis neegzistuoja)"><span title="Aptarti šį šabloną" style=";;background:none transparent;border:none;font-size:100%;">A</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://lt.wikipedia.org/w/index.php?title=%C5%A0ablonas:Vitaminai&action=edit"><span title="Redaguoti šį šabloną" style=";;background:none transparent;border:none;font-size:100%;;">R</span></a></div></div><span class="" style="font-size:110%;"><a href="/wiki/Vitaminas" title="Vitaminas">Vitaminai</a></span></th></tr><tr style="height:2px;"><td></td></tr><tr><td colspan="2" style="width:100%;padding:0px;;;" class="navbox-list navbox-odd"><div style="padding:0em 0.25em"> <p><a href="/wiki/Vitaminas_A" title="Vitaminas A">Vitaminas A</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Vitaminas_C" title="Vitaminas C">Vitaminas C</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Vitaminas_D" title="Vitaminas D">Vitaminas D</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Vitaminas_E" title="Vitaminas E">Vitaminas E</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Vitaminas_K" title="Vitaminas K">Vitaminas K</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Cholinas" title="Cholinas">Cholinas</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Liuteinas" title="Liuteinas">Liuteinas</a><br /> </p> <a href="/wiki/Vitaminas_B" title="Vitaminas B">B grupės vitaminai</a>: <a href="/wiki/Tiaminas" title="Tiaminas">Tiaminas</a> <span style="font-weight:bold;">·</span> <a class="mw-selflink selflink">Riboflavinas</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Niacinas" title="Niacinas">Niacinas</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Pantoteno_r%C5%ABg%C5%A1tis" title="Pantoteno rūgštis">Pantoteno rūgštis</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Biotinas" title="Biotinas">Biotinas</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Piridoksinas" title="Piridoksinas">Piridoksinas</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Folio_r%C5%ABg%C5%A1tis" title="Folio rūgštis">Folio rūgštis</a> <span style="font-weight:bold;">·</span> <a href="/wiki/Kobalaminas" title="Kobalaminas">Kobalaminas</a></div></td></tr></tbody></table></td></tr></tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Rodomas puslapis "<a dir="ltr" href="https://lt.wikipedia.org/w/index.php?title=Riboflavinas&oldid=6754916">https://lt.wikipedia.org/w/index.php?title=Riboflavinas&oldid=6754916</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Specialus:Kategorijos" title="Specialus:Kategorijos">Kategorija</a>: <ul><li><a href="/wiki/Kategorija:Vitaminai" title="Kategorija:Vitaminai">Vitaminai</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"> Šis puslapis paskutinį kartą keistas 23 lapkričio 2022 23:52.</li> <li id="footer-info-copyright">Tekstas pateikiamas pagal <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution/Share-Alike Licenciją</a>; gali būti taikomos papildomos sąlygos. 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