<?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>1870-249X</journal-id>
<journal-title><![CDATA[Journal of the Mexican Chemical Society]]></journal-title>
<abbrev-journal-title><![CDATA[J. Mex. Chem. Soc]]></abbrev-journal-title>
<issn>1870-249X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Química de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-249X2009000400004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Chemical Constituents of Psacalium sinuatum]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arciniegas]]></surname>
<given-names><![CDATA[Amira]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Castorena]]></surname>
<given-names><![CDATA[Ana L.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Camacho]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villaseñor]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romo de Vivar]]></surname>
<given-names><![CDATA[Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Química ]]></institution>
<addr-line><![CDATA[ D.F.]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Biología ]]></institution>
<addr-line><![CDATA[ D.F.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2009</year>
</pub-date>
<volume>53</volume>
<numero>4</numero>
<fpage>229</fpage>
<lpage>232</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-249X2009000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-249X2009000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-249X2009000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[A chemical study of Psacalium sinuatum afforded the furanoeremophilane decompostine, the modified eremophilanes: cacalol, cacalol acetate, dehydrocacalol, maturinin, cacalohastin, dehydroca-calohastin, adenostin B, cacalone-epi-cacalone mixture, dimaturin, adenostylide, radulifolin F, and epi-radulifolin F, in addition to hyperin, sucrose and a mixture of sitosterol-stigmasterol. Extracts and isolated compounds were tested for anti-inflammmatory activity. The hexanic extract of root showed a dose dependent activity (IC50 0.20 mg/ear).]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Por medio de un estudio químico de Psacalium sinuatum se aislaron el furanoeremofilano decompostina, los eremofilanos modificados: cacalol, acetato de cacalol, deshidrocacalol, maturinina, cacalohastina, deshidrocacalohastina, adenostina B, mezcla de cacalona-epi-cacalona, dimaturina, adenostilida, radulifolina F, y epi-radulifolina F, además de hiperina, sacarosa y mezcla de sitosterol-estigmasterol. Los extractos y los compuestos aislados fueron sometidos a pruebas de actividad anti-inflamatoria. El extracto hexánico de raíz presentó actividad dependiente de la dosis (IC50 0.20 mg/oreja).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Psacalium]]></kwd>
<kwd lng="en"><![CDATA[Asteraceae]]></kwd>
<kwd lng="en"><![CDATA[Senecioneae]]></kwd>
<kwd lng="en"><![CDATA[Tussilagininae]]></kwd>
<kwd lng="en"><![CDATA[Modified Eremophilanes]]></kwd>
<kwd lng="en"><![CDATA[Anti-inflammatory Activity]]></kwd>
<kwd lng="es"><![CDATA[Psacalium]]></kwd>
<kwd lng="es"><![CDATA[Asteraceae]]></kwd>
<kwd lng="es"><![CDATA[Senecioneae]]></kwd>
<kwd lng="es"><![CDATA[Tussilagininae]]></kwd>
<kwd lng="es"><![CDATA[eremofilanos modificados]]></kwd>
<kwd lng="es"><![CDATA[actividad anti-inflamatoria]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Article</font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Chemical Constituents of <i>Psacalium sinuatum</i></b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Amira Arciniegas,<sup>1</sup> Ana L. P&eacute;rez&#150;Castorena,<sup>1*</sup> Antonio Nieto&#150;Camacho,<sup>1</sup> Jos&eacute; Luis Villase&ntilde;or,<sup>2</sup> and Alfonso Romo de Vivar<sup>1</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>1</sup> Instituto de Qu&iacute;mica, Universidad Nacional Aut&oacute;noma de M&eacute;xico, Circuito Exterior, Ciudad Universitaria, Coyoac&aacute;n 04510, D.F., M&eacute;xico. Tel: +(5255)&#150;5622&#150;4412, Fax: +(5255)&#150;5622&#150;2217. <sup>*</sup>Responsible author: </i><a href="mailto:alperezc@servidor.unam.mx">alperezc@servidor.unam.mx</a></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2 </sup>Instituto de Biolog&iacute;a, Universidad Nacional Aut&oacute;noma de M&eacute;xico, Circuito Exterior, Ciudad Universitaria, Coyoac&aacute;n 04510, D.F., M&eacute;xico. Tel: +(5255)&#150;5622&#150;4412, Fax: +(5255)&#150;5622&#150;2217.</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Received October 15, 2009    ]]></body>
<body><![CDATA[<br>   Accepted January 21, 2010</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">A chemical study of <i>Psacalium sinuatum </i>afforded the furanoeremophilane decompostine, the modified eremophilanes: cacalol, cacalol acetate, dehydrocacalol, maturinin, cacalohastin, dehydroca&#150;calohastin, adenostin B, cacalone<i>&#150;epi</i>&#150;cacalone mixture, dimaturin, adenostylide, radulifolin F, and <i>epi</i>&#150;radulifolin F, in addition to hyperin, sucrose and a mixture of sitosterol&#150;stigmasterol. Extracts and isolated compounds were tested for anti&#150;inflammmatory activity. The hexanic extract of root showed a dose dependent activity (IC<sub>50</sub> 0.20 mg/ear).</font></p>     <p align="justify"><font face="verdana" size="2"><b>Key words. </b><i>Psacalium, </i>Asteraceae, Senecioneae, Tussilagininae, Modified Eremophilanes, Anti&#150;inflammatory Activity.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     <p align="justify"><font face="verdana" size="2">Por medio de un estudio qu&iacute;mico de <i>Psacalium sinuatum </i>se aislaron el furanoeremofilano decompostina, los eremofilanos modificados: cacalol, acetato de cacalol, deshidrocacalol, maturinina, cacalohastina, deshidrocacalohastina, adenostina B, mezcla de cacalona<i>&#150;epi</i>&#150;cacalona, dimaturina, adenostilida, radulifolina F, y <i>epi</i>&#150;radulifolina F, adem&aacute;s de hiperina, sacarosa y mezcla de sitosterol&#150;estigmasterol. Los extractos y los compuestos aislados fueron sometidos a pruebas de actividad anti&#150;inflamatoria. El extracto hex&aacute;nico de ra&iacute;z present&oacute; actividad dependiente de la dosis (IC<sub>50</sub> 0.20 mg/oreja).</font></p>     <p align="justify"><font face="verdana" size="2"><b>Palabras clave: </b><i>Psacalium, </i>Asteraceae, Senecioneae, Tussilagininae, eremofilanos modificados, actividad anti&#150;inflamatoria.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><a href="/pdf/jmcs/v53n4/v53n4a4.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Acknowledgements</b></font></p>     <p align="justify"><font face="verdana" size="2">We are indebted to Ma. de los Angeles Pe&ntilde;a, Elizabeth Huerta, Mar&iacute;a Isabel Ch&aacute;vez, H&eacute;ctor R&iacute;os, Beatriz Quiroz, Nieves Zavala, Roc&iacute;o Pati&ntilde;o, Javier P&eacute;rez, Luis Velasco, and Gabriela Salcedo for technical assistance.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>References</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. Barkley, T. M.; Clark, B. L.; Fuston. A. M. <i>Compositae: Systematics. </i>Proceedings of the International Compositae Conference, Kew, 1994. Hind, D. J. N., Ed. Royal Botanical Gardens Kew, <b>1996, </b>Vol 1, pp. 613&#150;620.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4910215&pid=S1870-249X200900040000400001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">2. Linares, E.; Bye, R. <i>J. Ethnopharmacol. </i><b>1987, </b><i>19, </i>153&#150;186.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4910217&pid=S1870-249X200900040000400002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
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