<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-893X</journal-id>
<journal-title><![CDATA[Educación química]]></journal-title>
<abbrev-journal-title><![CDATA[Educ. quím]]></abbrev-journal-title>
<issn>0187-893X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Química]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-893X2024000200068</article-id>
<article-id pub-id-type="doi">10.22201/fq.18708404e.2024.2.85631</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Los estrógenos también podrían ser una alternativa antioxidante]]></article-title>
<article-title xml:lang="en"><![CDATA[Strogens could be an antioxidant alternative]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina López]]></surname>
<given-names><![CDATA[Manuel Eusebio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Hernández]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Centro de Investigación en Micología Aplicada ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Veracruzana Centro de Investigaciones Biomédicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>68</fpage>
<lpage>76</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-893X2024000200068&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-893X2024000200068&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-893X2024000200068&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este artículo de divulgación se presenta información sobre las especies reactivas de oxígeno, el estrés oxidativo y su relación con un gran número de enfermedades ampliamente distribuidas. Además, se muestra que los estrógenos son moléculas endógenas de gran importancia para el organismo, ya que participan en un gran número de funciones biológicas. En este artículo se muestran los mecanismos de reacción de la transferencia electrónica simple (SET), la formación del aducto radical (RAF) y la transferencia de hidrógeno (HT) de los estrógenos con el radical hidroperoxilo, para que pueda aplicarse como ejemplo en el tema de radicales libres de la clase de química orgánica. Se discute la actividad antioxidante de los estrógenos en el organismo y se muestran los principales mecanismos de reacción involucrados con esta capacidad, de esta forma se concluye con la importancia de la capacidad antioxidante de los estrógenos frente a la actividad observada en otros antioxidantes naturales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This manuscript presents information about the oxygen reactive species, oxidative stress, and their relationship with many widely distributed/ubiquitous illnesses. The antioxidant activity of estrogens in the organism is discussed along with the main reaction mechanisms involved in this capability. On the other hand, estrogens are endogen molecules of great importance to organisms because they participate in many physiological functions. Here are presented the single electron transfer (SET) reaction mechanism, the radical adduct formation (RAF), and the Hydrogen transfer (HT) of estrogens with the hydroperoxyl radical. The antioxidant activity of estrogens was compared against the ability of other natural antioxidants concluding with the possibility of them to work as antioxidants. The information presented here could be applied as an example in the free radical chapter on the organic chemistry class.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Estrógenos]]></kwd>
<kwd lng="es"><![CDATA[capacidad antioxidante]]></kwd>
<kwd lng="es"><![CDATA[estrés oxidativo]]></kwd>
<kwd lng="es"><![CDATA[antioxidante]]></kwd>
<kwd lng="es"><![CDATA[radicales libres]]></kwd>
<kwd lng="en"><![CDATA[Estrogens]]></kwd>
<kwd lng="en"><![CDATA[antioxidant capacity]]></kwd>
<kwd lng="en"><![CDATA[oxidative stress]]></kwd>
<kwd lng="en"><![CDATA[antioxidant]]></kwd>
<kwd lng="en"><![CDATA[free radicals]]></kwd>
</kwd-group>
</article-meta>
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