<?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>2007-1132</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. forestales]]></abbrev-journal-title>
<issn>2007-1132</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11322022000400004</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v13i72.1186</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Identificación preliminar de maderas de pinos mexicanos mediante espectroscopía ATR-FTIR]]></article-title>
<article-title xml:lang="en"><![CDATA[Preliminary identification of woods from Mexican pines by ATR-FTIR spectroscopy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras Quiñones]]></surname>
<given-names><![CDATA[Héctor Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lizardo Aguayo]]></surname>
<given-names><![CDATA[David Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrade Ortega]]></surname>
<given-names><![CDATA[Jesús Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez Barragán]]></surname>
<given-names><![CDATA[Carlos Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Ramos]]></surname>
<given-names><![CDATA[Sara Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas]]></surname>
<given-names><![CDATA[Antonio Rodríguez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Departamento de Madera, Celulosa y Papel &#8220;Ing. Karl Augustin Grellman&#8221; Centro Universitario de Ciencias Exactas e Ingenierías]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de Ciencias Biológicas y Agropecuarias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2022</year>
</pub-date>
<volume>13</volume>
<numero>72</numero>
<fpage>4</fpage>
<lpage>29</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322022000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322022000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322022000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Una gran variedad de especies del género Pinus están ampliamente distribuidas en México, y son de importancia comercial, por lo que la identificación apropiada de su madera es relevante. Esta no es una labor sencilla, debido a las características anatómicas y químicas de los pinos; por ese motivo, se investigó el potencial que tiene para dicha tarea una base de datos computarizada de espectros ATR-FTIR de madera (espectroteca). Los espectros de las maderas poseen suficientes diferencias para implementar un proceso de identificación por comparación espectral. La espectroteca se creó con tablillas de la xiloteca del Departamento de Madera, Celulosa y Papel (Universidad de Guadalajara), que se han identificado de manera rigurosa. Se obtuvieron los espectros de nueve especies (Pinus arizonica, P. ayacahuite, P. devoniana, P. douglasiana, P. durangensis, P. oocarpa, P. patula, P. pringlei y P. pseudostrobus) de tres lugares distintos, para un total de 27 espectros. Para determinar la viabilidad del método, se analizaron otras tablillas de la xiloteca, correspondientes a cinco taxones (P. ayacahuite, P. devoniana, P. oocarpa, P. pseudostrobus y Cupressus arizonica); del análisis resultaron las correlaciones más altas para las especies correctas en tres casos, y un segundo lugar para las otras dos. El uso de una espectroteca es un método rápido que ayuda en la identificación de una madera, así como para establecer su origen. La técnica podría mejorarse mediante el desarrollo de un tratamiento espectral y estadístico que considere las particularidades de los materiales lignocelulósicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A wide variety of species of the genus Pinus are widely distributed in Mexico, and are of great commercial importance, so proper identification of its wood is important. This is not an easy task, due to the anatomical and chemical characteristics of the pines; for this reason, the potential of an ATR-FTIR spectral reference library of wood (spectral library) was investigated. The spectra of woods have enough differences to implement an identification process by spectral comparison. Spectral library was created using samples from xylotheque in the Department of Wood, Cellulose and Paper (Universidad de Guadalajara), which have been rigorously identified. The spectra of nine pine species (Pinus arizonica, P. ayacahuite, P. devoniana, P. douglasiana, P. durangensis, P. oocarpa, P. patula, P. pringlei, and P. pseudostrobus), were obtained from three different places, so that spectral library has 27 spectra. To determine the viability of method, other samples from xylotheque were analyzed, different from those of spectral library, of five species (P. ayacahuite, P. devoniana, P. oocarpa, P. pseudostrobus, and Cupressus arizonica), obtaining in three cases the highest correlations for correct species, and a second place for the other two. The use of a spectral library is a quick method, which can help in identification of wood and establish its origin. The technique could be improved by developing a spectral and statistical treatment that considers the particularities of lignocellulosic materials.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Espectroscopía ATR-FTIR]]></kwd>
<kwd lng="es"><![CDATA[espectroteca]]></kwd>
<kwd lng="es"><![CDATA[madera]]></kwd>
<kwd lng="es"><![CDATA[química de la madera]]></kwd>
<kwd lng="es"><![CDATA[pinos mexicanos]]></kwd>
<kwd lng="es"><![CDATA[xiloteca]]></kwd>
<kwd lng="en"><![CDATA[ATR-FTIR Spectroscopy]]></kwd>
<kwd lng="en"><![CDATA[spectral library]]></kwd>
<kwd lng="en"><![CDATA[wood]]></kwd>
<kwd lng="en"><![CDATA[wood chemistry]]></kwd>
<kwd lng="en"><![CDATA[Mexican pines]]></kwd>
<kwd lng="en"><![CDATA[xylotheque]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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