<?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>2007-0705</journal-id>
<journal-title><![CDATA[Nova scientia]]></journal-title>
<abbrev-journal-title><![CDATA[Nova scientia]]></abbrev-journal-title>
<issn>2007-0705</issn>
<publisher>
<publisher-name><![CDATA[Universidad de La Salle Bajío A. C., Coordinación de Investigación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-07052015000200268</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores que influyen en el contenido de escualeno, fitoesteroles totales y esterificados en el subproducto ácidos grasos destilados de soya para su potencial aprovechamiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Factors affecting the content of squalene, total and esterified phytoesterols in soybean distillated fatty acids by-product for its potential use]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Rodríguez]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amaya]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caballero]]></surname>
<given-names><![CDATA[Porfirio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alanís]]></surname>
<given-names><![CDATA[M. Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilera]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Báez]]></surname>
<given-names><![CDATA[Juan G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[M. Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[San Nicolás de los Garza ]]></addr-line>
<country>MX</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Tecnológico y de Estudios Superiores de Monterrey Laboratorio del Centro de Calidad Ambiental ]]></institution>
<addr-line><![CDATA[ Monterrey]]></addr-line>
<country>MX</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>7</volume>
<numero>14</numero>
<fpage>268</fpage>
<lpage>285</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-07052015000200268&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-07052015000200268&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-07052015000200268&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Una necesidad actual de la industria de extracción y refinación de aceite vegetal es la reducción y/o explotación de sus subproductos. Uno de estos, conocido como Ácidos Grasos Destilados de Aceite de Soya (AGDAS), resulta potencialmente valioso para las industrias alimentaria, farmacéutica y cosmética por la presencia de compuestos con actividad biológica favorable, como los fitoesteroles y el escualeno, los primeros como agentes hipocolesterolemiantes y el escualeno como emoliente y humectante. En este trabajo, mediante cromatografía de gases se determinó el contenido de escualeno y fitoesteroles libres y esterificados para evaluar la viabilidad de aprovechamiento de AGDAS como fuente de dichos compuestos y establecer si la procedencia del grano de soya (americano o nacional), la condición de cultivo (Sequía o Normal, años 2011 y 2012 respectivamente) y el grado de calidad del aceite (Genérico o Premium) son factores determinantes en el contenido de dichos compuestos en el subproducto. En conclusión AGDAS representa una fuente viable de fitoesteroles totales con 14.92% p/p, no así de escualeno con 1.75% p/p. La concentración de escualeno está influenciada por la procedencia del grano y la condición de cultivo, mientras que la de fitoesteroles esterificados por el grado de calidad y condición de cultivo. Ninguno de los factores influyó en el contenido de fitoesteroles totales. Esto permite establecer que la composición del subproducto AGDAS no es constante y se justifican protocolos como el de este estudio para su caracterización con fines de aprovechamiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Reduction and/or exploitation of by products from the extraction and refining industry of vegetable oils is a current need. One of these, known as Soybean Oil Deodorizer Distillate (SODD), has a potential value in the food and pharmaceutical industries by the presence of compounds with a favorable biological activity such as phytosterols and squalene, the first as hypocholesterolemic agents and squalene as emollient and moisturizer. In this work, gas chromatography was used to determine squalene, free (FP) and esterified (EP) phytosterols in SODD, in order to study the feasibility of using this as a source of such compounds and also for stablishing if the provenance of the soybean (American or national), its crop condition (Drought or Normal, 2011 and 2012 respectively) and the quality level of the oil (Generic or Premium) are determinant factors in the compound's content in the by product. The SODD represents a viable source of total phytosterols (TP), 14.92% w/w, but not of squalene, 1.75% w/w. Also, the concentration of squalene in SODD is influenced by the provenance of soybean and crop conditions, while degree of oil quality and crop conditions affect the concentration of EP. The concentration of TP was not affected by any of the studied factors. This allows establishing that the composition of the SODD is not constant and protocols such as this study is justified for its characterization for purpose of its use.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[utilización de subproductos]]></kwd>
<kwd lng="es"><![CDATA[ácidos grasos destilados de aceite de soya]]></kwd>
<kwd lng="es"><![CDATA[fitoesteroles esterificados]]></kwd>
<kwd lng="es"><![CDATA[escualeno]]></kwd>
<kwd lng="es"><![CDATA[influencia de factores]]></kwd>
<kwd lng="en"><![CDATA[byproduct utilization]]></kwd>
<kwd lng="en"><![CDATA[soybean oil deodorizer distillate]]></kwd>
<kwd lng="en"><![CDATA[esterified phytosterols]]></kwd>
<kwd lng="en"><![CDATA[squalene]]></kwd>
<kwd lng="en"><![CDATA[factors evaluation]]></kwd>
</kwd-group>
</article-meta>
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