<?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>2224-5421</journal-id>
<journal-title><![CDATA[Revista Cubana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Quim]]></abbrev-journal-title>
<issn>2224-5421</issn>
<publisher>
<publisher-name><![CDATA[Ediciones UO, Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-54212022000100034</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Water treated with a static magnetic field on photosynthetic pigments and carbohydrates of Solanum lycopersicum L]]></article-title>
<article-title xml:lang="es"><![CDATA[Agua tratada con campo magnético estático sobre pigmentos fotosintéticos y carbohidratos de Solanum lycopersicum L]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferrer-Dubois]]></surname>
<given-names><![CDATA[Albys Esther]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora-Oduardo]]></surname>
<given-names><![CDATA[Dannielly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Fernández]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fung-Boix]]></surname>
<given-names><![CDATA[Yilan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Isaac-Aleman]]></surname>
<given-names><![CDATA[Elizabeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Oriente National Centre of Applied Electromagnetism ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Basic Business Unit for Agricultural and Livestock Products  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Oriente Faculty of Chemistry and Agronomy Department of Agronomy]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>34</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-54212022000100034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-54212022000100034&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-54212022000100034&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The effect of water treated with a static magnetic field (SMF) between 20 and 200 mTon the photosynthetic pigments and carbohydrates of Solanum lycopersicum L. var. HA-574. A completely randomized design was used in GREMAG irrigation technology. One group of plants was irrigated with water treated with SMF (20-80 mT), another group with SMF (100-200 mT), and the control with tap water. Photosynthetic pigments were determined in leaves and carbohydrate content in fruits. Statistical analysis was performed with the Tuckey test. Plants grown with water treated with SMF (100-200 mT) had the highest content of chlorophyll a, chlorophyll b, total chlorophylls and carbohydrates. High photosynthetic activity and better adaptation to cultivation conditions were achieved under the benefits of SMF treatment in irrigation water.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se evaluó el efecto del agua tratada con campo magnético estático (CME) entre 20 y 200 mT sobre los pigmentos fotosintéticos y carbohidratos de plantas de Solanum lycopersicum L. var. HA-574. Se utilizó un diseño completamente aleatorizado en la tecnología de riego GREMAG. Un grupo de plantas se irrigó con agua tratada con CME (20- 80 mT), otro grupo con CME (100- 200 mT) y el control con agua corriente. En las hojas se determinaron los pigmentos fotosintéticos y en los frutos el contenido de carbohidratos. El análisis estadístico se realizó con la prueba de Tuckey. Las plantas cultivadas con agua tratada con CME (100- 200 mT) presentaron el mayor contenido de clorofila a, clorofila b, clorofilas totales y carbohidratos. Se logró una elevada actividad fotosintética y una mejor adaptación a las condiciones de cultivo bajo los beneficios del tratamiento con CME en el agua de riego.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[tomato]]></kwd>
<kwd lng="en"><![CDATA[photosynthetic pigments]]></kwd>
<kwd lng="en"><![CDATA[carbohydrates]]></kwd>
<kwd lng="en"><![CDATA[magnetically treated water]]></kwd>
<kwd lng="es"><![CDATA[tomate]]></kwd>
<kwd lng="es"><![CDATA[pigmentos fotosintéticos]]></kwd>
<kwd lng="es"><![CDATA[carbohidratos]]></kwd>
<kwd lng="es"><![CDATA[agua tratada magnéticamente]]></kwd>
</kwd-group>
</article-meta>
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