https://wiki.fkkt.uni-lj.si/index.php?title=Vitamin_A&feed=atom&action=history
Vitamin A - Revision history
2024-03-28T13:49:31Z
Revision history for this page on the wiki
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https://wiki.fkkt.uni-lj.si/index.php?title=Vitamin_A&diff=3075&oldid=prev
MDolinar at 14:08, 19 February 2010
2010-02-19T14:08:49Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:08, 19 February 2010</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Vitamin A''' je po kemijski zgradbi maščobna molekula. V organizmu se pojavlja v različnih oblikah in lahko govorimo o '''skupini vitaminov A'''. Vsi skupaj sodijo med retinoide, ki vključujejo naravne spojine in sintetične derivate retinoične kisline. Gre za substance, ki imajo biološke lastnosti '''retinola'''. Vitamin A, oziroma retinol lahko nastane v organizmu iz karotenoida. Najaktivnejši karotenoid, najden v rastlinah je betakaroten.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Vitamin A''' je po kemijski zgradbi maščobna molekula. V organizmu se pojavlja v različnih oblikah in lahko govorimo o '''skupini vitaminov A'''. Vsi skupaj sodijo med retinoide, ki vključujejo naravne spojine in sintetične derivate retinoične kisline. Gre za substance, ki imajo biološke lastnosti '''retinola'''. Vitamin A, oziroma retinol lahko nastane v organizmu iz karotenoida. Najaktivnejši karotenoid, najden v rastlinah je betakaroten.</div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">==Zgodovina vitamina A==</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">'''Vitamin A''' je odkril nemški znanstvenik ''Shtep'' leta 1909. Opazoval je mlade miši, ki so se normalno razvijale in rasle, dokler niso njihove hrane [http://bos.zrc-sazu.si/cgi/a03.exe?name=sskj_testa&expression=ekstrahirati&hs=1 ekstrahirali] s špiritom ali z etrom. Miši so prenehale rasti in so poginile. Ekstrakcija je odstranjevala maščobne snovi, ki so lahko topljive v špiritu ali etru. Avtor raziskave je smrt živali pojasnil s pomanjkanjem lipoidov v hrani. Snov v lipoidih so sprva poimenovali »dejavnik rasti« ali »mastnotopen dejavnik A«, leta 1916 pa so mu nadeli ime vitamin A.</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>==<del style="font-weight: bold; text-decoration: none;">Hipovizaminoza </del>in hipervitaminoza==</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>==<ins style="font-weight: bold; text-decoration: none;">Hipovitaminoza </ins>in hipervitaminoza==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Hipovitaminoza''' lahko povzroči nočno splepoto, [http://sl.wikipedia.org/wiki/Kseroftalmija kseroftalmijo], tanko in suho kožo, ki se lušči. Povzroči tudi suhost notranjih površin vagine, akne, furunkuloza, zmanjšana odpornost, poveča nagnjenost k pljučnim in prehladnim boleznim, povzroči motnje reproduktivne funkcije jajčnikov.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Hipovitaminoza''' lahko povzroči nočno splepoto, [http://sl.wikipedia.org/wiki/Kseroftalmija kseroftalmijo], tanko in suho kožo, ki se lušči. Povzroči tudi suhost notranjih površin vagine, akne, furunkuloza, zmanjšana odpornost, poveča nagnjenost k pljučnim in prehladnim boleznim, povzroči motnje reproduktivne funkcije jajčnikov.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''<del style="font-weight: bold; text-decoration: none;">Hipervizaminoza</del>''' povzroči kopičenje vitamina A v jetrih in s tem zastrupljanje organizma. Posledice so glavobol, luščenje kože, povečanje vranice in jeter in zadebeljevanje kosti.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''<ins style="font-weight: bold; text-decoration: none;">Hipervitaminoza</ins>''' povzroči kopičenje vitamina A v jetrih in s tem zastrupljanje organizma. Posledice so glavobol, luščenje kože, povečanje vranice in jeter in zadebeljevanje kosti.</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Naravni viri==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Naravni viri==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Naravni viri vitamina A so <del style="font-weight: bold; text-decoration: none;">''</del>korenje, paradižnik, temnozelena in rumena zelenjava, rumeno sadje, margarina, jajca, jetra, ribje olje, mleko in mlečni izdelki<del style="font-weight: bold; text-decoration: none;">''</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Naravni viri vitamina A so korenje, paradižnik, temnozelena in rumena zelenjava, rumeno sadje, margarina, jajca, jetra, ribje olje, mleko in mlečni izdelki<ins style="font-weight: bold; text-decoration: none;">.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Viri in literatira==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Viri in literatira==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*http://www.ezdravje.com/si/vitmin/vitamini/koliko/vitaminA/</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* http://www.ezdravje.com/si/vitmin/vitamini/koliko/vitaminA/</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* http://sl.wikipedia.org/wiki/Vitamin_A</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*http://sl.wikipedia.org/wiki/Vitamin_A</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Ihan, A., dr., Imunski sistem in odpornost, Mladinska knjiga, Ljubljana, 2005</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2" class="diff-side-added"></td></tr>
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MDolinar
https://wiki.fkkt.uni-lj.si/index.php?title=Vitamin_A&diff=2974&oldid=prev
MDolinar: Vitamin a moved to Vitamin A: velika črka A
2010-01-25T14:23:27Z
<p><a href="/index.php/Vitamin_a" class="mw-redirect" title="Vitamin a">Vitamin a</a> moved to <a href="/index.php/Vitamin_A" title="Vitamin A">Vitamin A</a>: velika črka A</p>
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<td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:23, 25 January 2010</td>
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MDolinar
https://wiki.fkkt.uni-lj.si/index.php?title=Vitamin_A&diff=2536&oldid=prev
Bam at 15:32, 5 January 2010
2010-01-05T15:32:05Z
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Zgodovina vitamina A==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Zgodovina vitamina A==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''Vitamin A''' je odkril nemški znanstvenik ''Shtep'' leta 1909. <del style="font-weight: bold; text-decoration: none;">Znanstvenik </del>je <del style="font-weight: bold; text-decoration: none;">opazoval </del>mlade miši, ki so se normalno razvijale in rasle, dokler niso njihove hrane [http://bos.zrc-sazu.si/cgi/a03.exe?name=sskj_testa&expression=ekstrahirati&hs=1 ekstrahirali] s špiritom ali z etrom. <del style="font-weight: bold; text-decoration: none;">To je naredilo prehranjevanje miši nezadostno, zato </del>so prenehale rasti in so poginile. Ekstrakcija je odstranjevala maščobne snovi, ki so lahko topljive v špiritu ali etru. Avtor raziskave je smrt živali pojasnil s pomanjkanjem lipoidov v hrani. Snov v lipoidih so sprva poimenovali »dejavnik rasti« ali »mastnotopen dejavnik A«, leta 1916 pa so mu nadeli ime vitamin A.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''Vitamin A''' je odkril nemški znanstvenik ''Shtep'' leta 1909. <ins style="font-weight: bold; text-decoration: none;">Opazoval </ins>je mlade miši, ki so se normalno razvijale in rasle, dokler niso njihove hrane [http://bos.zrc-sazu.si/cgi/a03.exe?name=sskj_testa&expression=ekstrahirati&hs=1 ekstrahirali] s špiritom ali z etrom. <ins style="font-weight: bold; text-decoration: none;">Miši </ins>so prenehale rasti in so poginile. Ekstrakcija je odstranjevala maščobne snovi, ki so lahko topljive v špiritu ali etru. Avtor raziskave je smrt živali pojasnil s pomanjkanjem lipoidov v hrani. Snov v lipoidih so sprva poimenovali »dejavnik rasti« ali »mastnotopen dejavnik A«, leta 1916 pa so mu nadeli ime vitamin A.</div></td></tr>
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Bam
https://wiki.fkkt.uni-lj.si/index.php?title=Vitamin_A&diff=1661&oldid=prev
Bam: /* Viri in literatira */
2009-12-29T17:22:08Z
<p><span dir="auto"><span class="autocomment">Viri in literatira</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:22, 29 December 2009</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Viri in literatira==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Viri in literatira==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>http://www.ezdravje.com/si/vitmin/vitamini/koliko/vitaminA/</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*</ins>http://www.ezdravje.com/si/vitmin/vitamini/koliko/vitaminA/</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>http://sl.wikipedia.org/wiki/Vitamin_A</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*</ins>http://sl.wikipedia.org/wiki/Vitamin_A</div></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Ihan, A., dr., Imunski sistem in odpornost, Mladinska knjiga, Ljubljana, 2005</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">*</ins>Ihan, A., dr., Imunski sistem in odpornost, Mladinska knjiga, Ljubljana, 2005</div></td></tr>
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Bam
https://wiki.fkkt.uni-lj.si/index.php?title=Vitamin_A&diff=1660&oldid=prev
Bam: New page: '''Vitamin A''' je po kemijski zgradbi maščobna molekula. V organizmu se pojavlja v različnih oblikah in lahko govorimo o '''skupini vitaminov A'''. Vsi skupaj sodijo med retinoide, ki ...
2009-12-29T17:19:30Z
<p>New page: '''Vitamin A''' je po kemijski zgradbi maščobna molekula. V organizmu se pojavlja v različnih oblikah in lahko govorimo o '''skupini vitaminov A'''. Vsi skupaj sodijo med retinoide, ki ...</p>
<p><b>New page</b></p><div>'''Vitamin A''' je po kemijski zgradbi maščobna molekula. V organizmu se pojavlja v različnih oblikah in lahko govorimo o '''skupini vitaminov A'''. Vsi skupaj sodijo med retinoide, ki vključujejo naravne spojine in sintetične derivate retinoične kisline. Gre za substance, ki imajo biološke lastnosti '''retinola'''. Vitamin A, oziroma retinol lahko nastane v organizmu iz karotenoida. Najaktivnejši karotenoid, najden v rastlinah je betakaroten.<br />
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==Zgodovina vitamina A==<br />
'''Vitamin A''' je odkril nemški znanstvenik ''Shtep'' leta 1909. Znanstvenik je opazoval mlade miši, ki so se normalno razvijale in rasle, dokler niso njihove hrane [http://bos.zrc-sazu.si/cgi/a03.exe?name=sskj_testa&expression=ekstrahirati&hs=1 ekstrahirali] s špiritom ali z etrom. To je naredilo prehranjevanje miši nezadostno, zato so prenehale rasti in so poginile. Ekstrakcija je odstranjevala maščobne snovi, ki so lahko topljive v špiritu ali etru. Avtor raziskave je smrt živali pojasnil s pomanjkanjem lipoidov v hrani. Snov v lipoidih so sprva poimenovali »dejavnik rasti« ali »mastnotopen dejavnik A«, leta 1916 pa so mu nadeli ime vitamin A.<br />
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==Zakaj vitamin A potrebujemo?==<br />
Potreben je za normalno spolno dejavnost in razmnoževanje, za nastanek posteljice in razvoj zarodka, sodeluje v sintezi vidnega pigmenta [http://hr.wikipedia.org/wiki/Rodopsin rodopsina] (omogoča zaznavanje barv in svetlobe), za razvoj kosti in okostja. Znaten del [http://www.uniteforsight.org/course/image/vitamina.jpg učinkov vitamina A] izhaja iz njegovih [http://sl.wikipedia.org/wiki/Antioksidanti antioksidacijskih lastnosti] v preventivi kardiovaskularnih in malignih bolezni, povečuje odpornost proti okužbam, preprečuje lomljenje las in nohtov, izboljšuje njihovo rast.<br />
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==Hipovizaminoza in hipervitaminoza==<br />
'''Hipovitaminoza''' lahko povzroči nočno splepoto, [http://sl.wikipedia.org/wiki/Kseroftalmija kseroftalmijo], tanko in suho kožo, ki se lušči. Povzroči tudi suhost notranjih površin vagine, akne, furunkuloza, zmanjšana odpornost, poveča nagnjenost k pljučnim in prehladnim boleznim, povzroči motnje reproduktivne funkcije jajčnikov.<br />
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'''Hipervizaminoza''' povzroči kopičenje vitamina A v jetrih in s tem zastrupljanje organizma. Posledice so glavobol, luščenje kože, povečanje vranice in jeter in zadebeljevanje kosti.<br />
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==Naravni viri==<br />
Naravni viri vitamina A so ''korenje, paradižnik, temnozelena in rumena zelenjava, rumeno sadje, margarina, jajca, jetra, ribje olje, mleko in mlečni izdelki''<br />
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==Viri in literatira==<br />
http://www.ezdravje.com/si/vitmin/vitamini/koliko/vitaminA/<br />
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http://sl.wikipedia.org/wiki/Vitamin_A<br />
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Ihan, A., dr., Imunski sistem in odpornost, Mladinska knjiga, Ljubljana, 2005<br />
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[[Category:LEX]]</div>
Bam