<?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>1665-1456</journal-id>
<journal-title><![CDATA[Biotecnia]]></journal-title>
<abbrev-journal-title><![CDATA[Biotecnia]]></abbrev-journal-title>
<issn>1665-1456</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-14562025000100131</article-id>
<article-id pub-id-type="doi">10.18633/biotecnia.v27.2547</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Characterization, antioxidant capacity and erythroprotective effect of Zaya ( Amoreuxia palmatifida) extracts]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización, capacidad antioxidante y efecto eritroprotector de extractos de Zaya (Amoreuxia palmatifida)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Vélez]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Celaya-Michel]]></surname>
<given-names><![CDATA[Hernán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Vega]]></surname>
<given-names><![CDATA[Ricardo Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Robles-García]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Cruz]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernal-Mercado]]></surname>
<given-names><![CDATA[Ariadna Thalía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cornejo-Ramírez]]></surname>
<given-names><![CDATA[Yaeel Isbeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Toro-Sánchez]]></surname>
<given-names><![CDATA[Carmen Lizette Del]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidiad de Sonora Departamento de Ciencias Químico-Biológicas ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidiad de Sonora Departamento de Agricultura y Ganadería ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidiad de Guadalajara , Centro Universitario de los Valles (CUVALLE) ]]></institution>
<addr-line><![CDATA[Ameca Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de la Ciénega (CUCIENEGA) ]]></institution>
<addr-line><![CDATA[Ocotla&#769;n Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Sonora Departamento de Investigación y Posgrado en Alimentos ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>27</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-14562025000100131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-14562025000100131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-14562025000100131&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Zaya (Amoreuxia palmatifida) is a herbaceous plant found in northwest Mexico, particularly in the state of Sonora, where it has been historically consumed by its first settlers due to its nutritional and medicinal properties. Despite its importance, there is little information about the phytochemical compounds present in Zaya, its antioxidant activity and erythroprotective effect. Therefore, this study aimed to identify and quantify some of the compounds of interest related to the antioxidant capacity and erythroprotective effect of the plant. The results show that ethanolic extracts of zaya leaf (LE), root (RE) and stem (SE) contain the highest amount of phenols, tannins, flavonoids, chlorophylls and carotenoids, compared to extracts with leaf ethyl acetate (LEA), root (REA), and stem (SEA). Antioxidant activity was highest in LE by DPPH (61.27 ± 1.03 % of inhibition), ABTS (58.21 ± 0.48 % of inhibition) and FRAP (132.44 ± 5.23). All Zaya extracts had erythroprotective effect on O+ (80 to 87 %), followed by B+ (22 - 85 %) and then with A+ (38 - 60 %). In the cytotoxic assay, the highest percentage of hemolysis (41 - 50 %) occurred in blood type B+ with REA, RE, LEA and LE, while the lowest was in blood type O+. Therefore, LE contains the best secondary metabolites that confer greater antioxidant and erythroprocteric capacity without causing toxicity.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La Zaya (Amoreuxia palmatifida) es una planta herbácea que se encuentra en el noroeste de México, particularmente en el estado de Sonora, donde ha sido consumida históricamente por sus primeros pobladores debido a sus propiedades nutricionales y medicinales. A pesar de su importancia, existe escasa información sobre los compuestos fitoquímicos presentes en la Zaya, su actividad antioxidante y su efecto eritroprotector. Por lo tanto, este estudio tuvo como objetivo identificar y cuantificar algunos de los compuestos de interés relacionados con la capacidad antioxidante de la planta y efecto eritroprotector. Los resultados muestran que extractos etanólicos de zaya de hoja (LE), raíz (RE) y tallo (SE) contienen la mayor cantidad de fenoles, taninos, flavonoides, clorofilas y carotenoides en comparación con los extractos con etil acetato de hoja (LEA), raíz (REA ) y tallo (SEA). La actividad antioxidante fue mejor en LE en DPPH (61,27 ± 1,03 % de inhibición), ABTS (58,21 ± 0,48 % de inhibición) y FRAP (132,44 ± 5,23). Todos los extractos de Zaya tuvieron efecto eritroprotector sobre el grupo O+ (80 - 87 %), seguido del B+ (22 - 85 %) y luego del A+ (38 - 60 %). En el ensayo citotóxico, el mayor porcentaje de hemólisis (41 - 50 %) ocurrió en el grupo sanguíneo B+ con REA, RE, LEA y LE, mientras que el más bajo fue en el grupo sanguíneo O+. Por tanto, LE contiene los mejores metabolitos secundarios que le confieren mayor capacidad antioxidante y eritroprotectora sin provocar toxicidad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[antioxidants]]></kwd>
<kwd lng="en"><![CDATA[secondary metabolites]]></kwd>
<kwd lng="en"><![CDATA[erythrocytes]]></kwd>
<kwd lng="es"><![CDATA[antioxidante]]></kwd>
<kwd lng="es"><![CDATA[metabolitos secundarios]]></kwd>
<kwd lng="es"><![CDATA[eritrocitos]]></kwd>
</kwd-group>
</article-meta>
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