<?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>S2007-07052018000200061</article-id>
<article-id pub-id-type="doi">10.21640/ns.v10i21.1467</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características físicas y químicas de la semilla de calabaza para mecanización y procesamiento]]></article-title>
<article-title xml:lang="en"><![CDATA[Physical and chemical characteristics of pumpkin seeds for mechanization and processing]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rössel Kipping]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz Laurel]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amante Orozco]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Durán García]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Martínez]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados LPI-3 Energía Alterna y Biomateriales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Colegio de Postgraduados LPI-3 Energía Alterna y Biomateriales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados LPI-3 Energía Alterna y Biomateriales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Coordinación Académica Región Altiplano Oeste ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>10</volume>
<numero>21</numero>
<fpage>61</fpage>
<lpage>77</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-07052018000200061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-07052018000200061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-07052018000200061&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción Para procesar un producto es importante tomar en cuenta las características físicas, químicas y biológicas del material a procesar.  Método La selección del material y de las herramientas usadas, para realizar el proceso es de gran importancia debido a la resistencia mecánica y química. El estudio de la reacción entre las herramientas usadas y el material procesado requiere esta información.  Resultados Los resultados indican que la semilla de calabaza de castilla (Cucúrbita ssp.), puede ser considerada como materia prima (harina) en la elaboración de productos como totopos, encontrando una mayor retención de aceite si la harina se elabora con semilla de calabaza sin descascarillar. La semilla de la calabaza contiene un 48,92% de aceite, del cual un 29% es ácido oleico y 51,9% ácido linoleico; ácidos grasos que están ampliamente reconocidos por sus beneficios a la salud.  Conclusión El alto contenido de aceite de buena calidad y la proteína de la semilla, la hacen atractiva para utilizarla en numerosos desarrollos tecnológicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction In order to and processing on a product, it is important to take into account its specific physical, chemicals and biological characteristics for this material.  Method The selection of any tool utilized as well as its material has great importance in order to undertake successful process, since the product offers a significant mechanical and chemical resistance. It is required to study the effect between the tools utilized and the processed material.  Results Results indicate that seeds from pumpkin (Cucúrbita ssp.), can be considered as feedstock (flour) to elaborate several products, such as crunchy fried tortilla, where it holds a larger amount of cooking oil if the flour comes from pumpkin seeds processed with their exterior case. Pumpkin seeds contain a total amount of 48, 92% oil, where 29% is oleic acid and 51, 9% is linoleic acid. The healthy qualities of these lipid acid are widely recognized for the people overall health.  Conclusion The high content of good quality oil, in addition to the protein contained inside the seed support the use of pumpkin seeds in a large number of technological developments.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[análisis proximal]]></kwd>
<kwd lng="es"><![CDATA[ácidos grasos]]></kwd>
<kwd lng="es"><![CDATA[procesamiento]]></kwd>
<kwd lng="es"><![CDATA[características físicas de la semilla de calabaza]]></kwd>
<kwd lng="es"><![CDATA[características químicas de la semilla de calabaza]]></kwd>
<kwd lng="en"><![CDATA[proximal analysis]]></kwd>
<kwd lng="en"><![CDATA[fatty acids]]></kwd>
<kwd lng="en"><![CDATA[processing]]></kwd>
<kwd lng="en"><![CDATA[physical chraracteristics of pumpkin seed]]></kwd>
<kwd lng="en"><![CDATA[chemical characteristics of pumpkin seed]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alsina]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Macri]]></surname>
<given-names><![CDATA[E.V]]></given-names>
</name>
<name>
<surname><![CDATA[Zago]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Schreier]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Friedman]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aceite de girasol alto oleico: hacia la construcción de una grasa saludable]]></article-title>
<source><![CDATA[Actualización en nutrición]]></source>
<year>2015</year>
<volume>16</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>115</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Applequist]]></surname>
<given-names><![CDATA[W. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative fatty acid content of seeds of four Cucúrbita species grown in a common (shared) garden]]></article-title>
<source><![CDATA[Journal of Food Composition and Analysis]]></source>
<year>2006</year>
<volume>19</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>606-11</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayvar]]></surname>
<given-names><![CDATA[S. S]]></given-names>
</name>
<name>
<surname><![CDATA[Mena]]></surname>
<given-names><![CDATA[B. A]]></given-names>
</name>
<name>
<surname><![CDATA[Durán]]></surname>
<given-names><![CDATA[R. J]]></given-names>
</name>
<name>
<surname><![CDATA[Cruzaley]]></surname>
<given-names><![CDATA[S. R]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[M. N.]]></given-names>
</name>
</person-group>
<source><![CDATA[La calabaza pipiana y su manejo integrado]]></source>
<year>2007</year>
<page-range>1-24</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escobar]]></surname>
<given-names><![CDATA[G. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudio de la composición fisicoquímica de harina de semillas de zapallo como ingrediente alimentario]]></article-title>
<source><![CDATA[Innotec.]]></source>
<year>2012</year>
<page-range>25-30</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<collab>FAO</collab>
<article-title xml:lang=""><![CDATA[El Estado Mundial de la Agricultura, y la Alimentación; cambio climatico, agricultura y seguridad alimentaria]]></article-title>
<source><![CDATA[]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gohari]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical composition and physicochemical properties of pumpkin seeds (Cucúrbita pepo Subsp. Pepo Var. Styriaka) grown in Iran]]></article-title>
<source><![CDATA[Journal of Agricultural Science and Technology]]></source>
<year>2011</year>
<volume>13</volume>
<page-range>1053-63</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación de un producto alimentario con harina de semilla de Cucúrbita moschata]]></source>
<year>2010</year>
<page-range>57</page-range><publisher-name><![CDATA[Universidad del Zulia, Facultad de Ingeniería]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[C. F. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización fisicoquímica y microbiológica de calabaza (Cucúrbita moschata 'Bernaut'), utilizada en la industria para la elaboración de cremogenados]]></article-title>
<source><![CDATA[Actas de Horticultura]]></source>
<year>2016</year>
<page-range>187-90</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grisales]]></surname>
<given-names><![CDATA[S. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fruto y semilla de Cucúrbita moschata fuente de carotenoides y aceite con valor agregado]]></article-title>
<source><![CDATA[Congreso brasileiro de olericultura]]></source>
<year>2012</year>
<volume>52</volume>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Habib]]></surname>
<given-names><![CDATA[A. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nutritional and Lipid Composition Analysis of Pumpkin Seed (Cucúrbita maxima linn)]]></article-title>
<source><![CDATA[Journal Food Science]]></source>
<year>2015</year>
<volume>5</volume>
<numero>374</numero>
<issue>374</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multiplicación in vitro vía organogénesis en calabaza]]></article-title>
<source><![CDATA[Agronomía mesoamericana]]></source>
<year>2009</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>11-22</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López-Miranda]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Olive oil and health: summary of the II international conference on olive oil and health consensus report. España.]]></article-title>
<source><![CDATA[Nutr. Metab. Cardiovasc. Dis. 2010]]></source>
<year>2008</year>
<volume>20</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>284-94</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Y. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Utilización de la semilla de calabaza (Cucúrbita moschata) en dietas para pollos de ceba]]></article-title>
<source><![CDATA[Revista Cubana de Ciencia Agrícola]]></source>
<year>2010</year>
<volume>44</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>393-8</page-range><publisher-loc><![CDATA[Cuba ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Ciencia Animal la Habana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Y. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factibilidad económica del empleo de la harina de semilla de calabaza en la alimentación de las aves-Economic feasibility the use of pumpkin seed meal in the feed poultry]]></article-title>
<source><![CDATA[REDVET]]></source>
<year>2012</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Millán]]></surname>
<given-names><![CDATA[P. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Physicochemical characterization of Macadamia nut (Macadamia integrifolia) oil]]></article-title>
<source><![CDATA[CYTA-Journal of Food]]></source>
<year>2011</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>58-64</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Muschler]]></surname>
<given-names><![CDATA[R. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Módulo 6. Producción ecológica de cultivos anuales básicos: maíz, frijol y calabaza]]></article-title>
<source><![CDATA[Escuela de campo para promotores y promotoras de La Selva, Chiapas, México]]></source>
<year>2008</year>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[NMX-F-312-1978. Determinación nde reductores directos y totales en alimentos]]></article-title>
<source><![CDATA[Normas mexicanas]]></source>
<year></year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Dirección general de normas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[NMX-F-089-1978. Determinación de ácidos grasos]]></article-title>
<source><![CDATA[Normas mexicanas]]></source>
<year></year>
<publisher-name><![CDATA[Dirección general de normas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nollet]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of food analysis: physical characterization and nutrient analysis]]></source>
<year>2004</year>
<edition>2</edition>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<collab>AOAC</collab>
<source><![CDATA[Official Methods of Analysis of AOAC INTERNATIONAL]]></source>
<year>2016</year>
<edition>20</edition>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Petkova]]></surname>
<given-names><![CDATA[Z. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Antova]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Changes in the composition of pumpkin seeds (Cucúrbita moschata) during development and maturation]]></article-title>
<source><![CDATA[Grasas y aceites]]></source>
<year>2015</year>
<volume>66</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>058</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rezig]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical composition and profile characterization of pumpkin (Cucúrbita maxima) seed oil]]></article-title>
<source><![CDATA[Industrial Crops and Products]]></source>
<year>2012</year>
<volume>37</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>82-7</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<collab>SAGARPA</collab>
<source><![CDATA[Almacenamiento y conservación de granos y semillas]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salg&#305;n]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A green separation process for recovery of healthy oil from pumpkin seed]]></article-title>
<source><![CDATA[The Journal of Supercritical Fluids.]]></source>
<year>2011</year>
<volume>58</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>239-48</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez Hernández]]></surname>
<given-names><![CDATA[M. V. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variación genética y respuesta a la selección combinada en una variedad criolla de calabaza pipiana (Cucúrbita argyrosperma Huber var. stenosperma)]]></article-title>
<source><![CDATA[Revista Chapingo Serie Horticultura]]></source>
<year>2000</year>
<volume>6</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>221-40</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Subbaiah]]></surname>
<given-names><![CDATA[M. V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Adsorption of methyl orange from aqueous solution by aminated pumpkin seed powder: Kinetics, isotherms, and thermodynamic studies]]></article-title>
<source><![CDATA[Ecotoxicology and environmental safety]]></source>
<year>2016</year>
<volume>128</volume>
<page-range>109-17</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valenzuela]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cravzov]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Soro]]></surname>
<given-names><![CDATA[A. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tauguinas]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Giménez]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Gruszycki]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relación entre actividad antioxidante y contenido de fenoles y flavonoides totales en semillas de Cucúrbita spp]]></article-title>
<source><![CDATA[Dominguezia]]></source>
<year>2014</year>
<volume>30</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-24</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
