<?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>S1870-249X2011000400012</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Antiprotozoal Activity of Flavonoids Isolated from Mimosa tenuiflora (Fabaceae-Mimosoideae)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[Elihú]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yepez-Mulia]]></surname>
<given-names><![CDATA[Lilian]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Química ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Unidad Médica de Alta Especialidad Centro Médico Nacional Siglo XXI Hospital de Pediatría]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>México</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Unidad Médica de Alta Especialidad Centro Médico Nacional Siglo XXI Hospital de Pediatría]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2011</year>
</pub-date>
<volume>55</volume>
<numero>4</numero>
<fpage>251</fpage>
<lpage>253</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-249X2011000400012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-249X2011000400012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-249X2011000400012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[As result of the chemical study of the leaves and flowers of Mimosa tenuiflora (Willd.) Poir. (Fabaceae-Mimosoideae) eigth flavonoids were isolated: 6-methoxy-4'-O-methylnaringenin (1), santin (2), 6-methoxynaringenin (3), tenuiflorin A (4), 5, 7, 4'-trihydroxy-3, 6-dimethoxyflavone (5), 6-demethoxy-4'-O-methylcapilarisine (6), 6-methoxykaempferol (7) and tenuiflorin C (8). Antiprotozoal activity of these compounds as well as the tenuiflorina B (9) and 6-desmethoxy-capilarisine (10), isolated in a previous study was assessed against Entamoeba histolytica and Giardia lamblia trophozoites.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Como resultado del estudio químico de las hojas y flores de Mimosa tenuiflora (Willd.) Poir. (Fabaceae-Mimosoideae) se aislaron ocho flavonoides: 6-metoxi-4'-O-metilnaringenina (1), santina (2), 6-metoxinaringenina (3), tenuiflorina A (4), 5, 7, 4'-trihidroxi-3,6-dimetoxiflavona (5), 6-desmetoxi-4'-O-metilcapilarisina (6), 6-metoxicamperol (7) y tenuiflorina C (8). La actividad antiprotozoaria de los compuestos aislados, así como la de la tenuiflorina B (9) y de la 6-desmetoxicapilarisina (10), aisladas en un estudio previo fue determinada contra trofozoitos de Entamoeba histolytica and Giardia lamblia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Mimosa tenuiflora]]></kwd>
<kwd lng="en"><![CDATA[Fabaceae]]></kwd>
<kwd lng="en"><![CDATA[flavonoids]]></kwd>
<kwd lng="en"><![CDATA[2-phenoxycromones]]></kwd>
<kwd lng="en"><![CDATA[antiprotozoal activity]]></kwd>
<kwd lng="en"><![CDATA[tepescohuite]]></kwd>
<kwd lng="es"><![CDATA[Mimosa tenuiflora]]></kwd>
<kwd lng="es"><![CDATA[Fabaceae]]></kwd>
<kwd lng="es"><![CDATA[flavonoides]]></kwd>
<kwd lng="es"><![CDATA[2-fenoxicromonas]]></kwd>
<kwd lng="es"><![CDATA[actividad antiprotozoaria]]></kwd>
<kwd lng="es"><![CDATA[tepescohuite]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Article</font></p>     <p align="justify"><font face="verdana" size="4">&nbsp;</font></p>     <p align="center"><font face="verdana" size="4"><b>Antiprotozoal Activity of Flavonoids Isolated from <i>Mimosa tenuiflora </i>(Fabaceae&#150;Mimosoideae)</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Elih&uacute; Bautista,<sup>1</sup> Fernando Calzada,<sup>2</sup> Alfredo Ortega,<sup>1*</sup> and Lilian Yepez&#150;Mulia<sup>3</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, M&eacute;xico D.F. M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2</sup> Unidad de Investigaci&oacute;n M&eacute;dica en Farmacolog&iacute;a de Productos Naturales, UMAE Hospital de Pediatr&iacute;a, 2&deg; Piso, CORCE, Centro M&eacute;dico Nacional Siglo XXI, IMSS, Av. Cuauht&eacute;moc 330, Col. Doctores, CP 06725, M&eacute;xico D.F., M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>3</sup> Unidad de Investigaci&oacute;n M&eacute;dica en Enfermedades Infecciosas y Parasitarias, UMAE Hospital de Pediatr&iacute;a, 2&deg; Piso, Centro M&eacute;dico Nacional Siglo XXI, IMSS, Av. Cuauht&eacute;moc 330, Col. Doctores, CP 06725, M&eacute;xico D.F., M&eacute;xico. </i><a href="mailto:hormigaqfb@hotmail.com">hormigaqfb@hotmail.com</a></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Received April 12, 2011.    <br> Accepted September 28, 2011.</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">As result of the chemical study of the leaves and flowers of <i>Mimosa tenuiflora </i>(Willd.) Poir. (Fabaceae&#150;Mimosoideae) eigth flavonoids were isolated: 6&#150;methoxy&#150;4'&#150;<i>O</i>&#150;methylnaringenin (<b>1</b>), santin (<b>2</b>), 6&#150;methoxynaringenin (<b>3</b>), tenuiflorin A (<b>4</b>), 5, 7, 4'&#150;trihydroxy&#150;3, 6&#150;dimethoxyflavone (<b>5</b>), 6&#150;demethoxy&#150;4'&#150;<i>O</i>&#150;methylcapilarisine (<b>6</b>), 6&#150;methoxykaempferol (<b>7</b>) and tenuiflorin C (<b>8</b>). Antiprotozoal activity of these compounds as well as the tenuiflorina B (<b>9</b>) and 6&#150;desmethoxy&#150;capilarisine (<b>10</b>), isolated in a previous study was assessed against <i>Entamoeba histolytica </i>and <i>Giardia lamblia </i>trophozoites. </font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b><i>Mimosa tenuiflora, </i>Fabaceae, flavonoids, 2&#150;phenoxycromones, antiprotozoal activity, tepescohuite.</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">Como resultado del estudio qu&iacute;mico de las hojas y flores de <i>Mimosa tenuiflora </i>(Willd.) Poir. (Fabaceae&#150;Mimosoideae) se aislaron ocho flavonoides: 6&#150;metoxi&#150;4'&#150;<i>O</i>&#150;metilnaringenina (<b>1</b>), santina (<b>2</b>), 6&#150;metoxinaringenina (<b>3</b>), tenuiflorina A (<b>4</b>), 5, 7, 4'&#150;trihidroxi&#150;3,6&#150;dimetoxiflavona (<b>5</b>), 6&#150;desmetoxi&#150;4'&#150;<i>O</i>&#150;metilcapilarisina (<b>6</b>), 6&#150;metoxicamperol (<b>7</b>) y tenuiflorina C (<b>8</b>). La actividad antiprotozoaria de los compuestos aislados, as&iacute; como la de la tenuiflorina B (<b>9</b>) y de la 6&#150;desmetoxicapilarisina (<b>10</b>), aisladas en un estudio previo fue determinada contra trofozoitos de <i>Entamoeba histolytica </i>and <i>Giardia lamblia.</i></font></p>     <p align="justify"><font face="verdana" size="2"><b>Palabras clave: </b><i>Mimosa tenuiflora, </i>Fabaceae, flavonoides, 2&#150;fenoxicromonas, actividad antiprotozoaria, tepescohuite.</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/jmcs/v55n4/v55n4a12.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>References</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. Singh, S.; Bharti, N.; Mohapatra, P. <i>Chem. Rev. </i><b>2009, </b><i>109, </i>1900&#150;1947.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946457&pid=S1870-249X201100040001200001&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. Calzada, F.; Cervantes&#150;Mart&iacute;nez, J. A.; Y&eacute;pez&#150;Mulia, L. <i>J. Ethnopharmacol. </i><b>2005</b>, <i>98</i>,191&#150;193.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946459&pid=S1870-249X201100040001200002&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">3. Phillipson, J. D.; Wrigth, C. W. <i>Planta Med. </i><b>1991</b>, <i>57, </i>S53&#150;S59.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946461&pid=S1870-249X201100040001200003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">4. Calzada, F.; Y&eacute;pez&#150;Mulia, L.; Tapia&#150;Contreras, A.; Bautista, E.; Maldonado, E.; Ortega, A. <i>Phytother. Res. </i><b>2010</b>, <i>24</i>, 662&#150;665.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946463&pid=S1870-249X201100040001200004&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">5. Calzada, F.; Y&eacute;pez&#150;Mulia, L.; Aguilar, A. <i>J. Ethnopharmacol. </i><b>2006</b>, <i>108</i>, 367&#150;370.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946465&pid=S1870-249X201100040001200005&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">6. Barbosa, E.; Calzada, F.; Campos, R. <i>J. Ethnopharmacol. </i><b>2007</b>, <i>109, </i>552&#150;554.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946467&pid=S1870-249X201100040001200006&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">7. Camargo&#150;Ricalde, S. L. <i>Rev. Biol. Trop. </i><b>2000</b>, <i>48</i>, 939&#150;54.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946469&pid=S1870-249X201100040001200007&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">8. Rivera&#150;Arce, E.; Ch&aacute;vez&#150;Soto, M. A.; Herrera&#150;Arellano, A.; Arzate, S.; Ag&uuml;ero, J.; Feria&#150;Romero, I. A.; Cruz&#150;Guzm&aacute;n, A.; Lozoya, X<i>. J. Ethnopharmacol. </i><b>2007</b>, <i>109</i>, 523&#150;528.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946471&pid=S1870-249X201100040001200008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">9. Veps&auml;l&auml;nen, J.; Auriola, S.; Tukiainen, M.; Ropponen, N.; Callaway, J. C. <i>Planta Med. </i><b>2005</b>, <i>71</i>, 1053&#150;1057.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946473&pid=S1870-249X201100040001200009&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">10. Jiang, Y.; Massiot, G.; Lavaud, C; Teulon, J. M.; Gu&eacute;chot, C.; Haag&#150;Berrurier, M.; Anton, R. <i>Phyotchemistry </i><b>1991</b>, <i>30</i>, 2357&#150;2360.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946475&pid=S1870-249X201100040001200010&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">11. Zippel, J.; Deters, A.; Hensel, A. <i>J. Ethnopharmacol. </i><b>2009</b>, <i>124</i>, 391&#150;396.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946477&pid=S1870-249X201100040001200011&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">12. Dominguez, X.; Garc&iacute;a, S. <i>J. Nat. Prod. </i><b>1989</b>, <i>52</i>, 864&#150;867.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946479&pid=S1870-249X201100040001200012&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">13. Ohsaki, A.; Yokoyama, R.; Miyatake, H.; Fukuyama, Y. <i>Chem. Pharm. Bull. </i><b>2006</b>, <i>54</i>, 1728&#150;1729.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946481&pid=S1870-249X201100040001200013&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">14. Le&oacute;n, L.; Maldonado, E.; Cruz, A.; Ortega, A. <i>Planta Med. </i><b>2004</b>, <i>70</i>, 536&#150;539.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946483&pid=S1870-249X201100040001200014&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">15. Begley, M.; Crombie, L.; London, M.; Savin, J.; Whiting, D. <i>J. Chem. Soc. Perkin Trans. I </i><b>1987</b>, 2275&#150;2280.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946485&pid=S1870-249X201100040001200015&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">16. Pisutthanan, N.; Liawruangrath, B.; Liawruangrath, S.; Bremner, J. B. <i>Nat. Prod. Res. A </i><b>2006</b>, <i>20</i>, 1192&#150;1198.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946487&pid=S1870-249X201100040001200016&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">17. Rashid, M.; Armstrong, J. A.; Gray, A.; Waterman P. <i>Phytochemistry </i><b>1992</b>, <i>31, </i>1265&#150;1269.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946489&pid=S1870-249X201100040001200017&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">18. Spring, O.; Heil, N.; Vogler, B. <i>Phytochemistry </i><b>1997</b>, <i>46</i>, 1369&#150;1373.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946491&pid=S1870-249X201100040001200018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">19. Williams, C.; Harborne, J.; Geiger, H.; Hoult R. <i>Phytochemistry </i><b>1999</b>, <i>51</i>, 417&#150;423.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946493&pid=S1870-249X201100040001200019&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">20. Horie, T.; Shibata, K.; Yamashita, K.; Kawamura, Y.; Tsukayama, M. <i>Chem. Pharm. Bull. </i><b>1997</b>, <i>45</i>, 446&#150;451.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946495&pid=S1870-249X201100040001200020&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">21. Calzada F.; Meckes M.; Cedillo&#150;Rivera R.; <i>Pharm. Biol. </i><b>1998</b>, <i>36</i>, 305&#150;330.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946497&pid=S1870-249X201100040001200021&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">22. Finney DL. <i>Probit Analysis</i>. Cambridge University Press, 20. 1977.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946499&pid=S1870-249X201100040001200022&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">23. Calzada, F.; Meckes, M.; Cedillo&#150;Rivera, R. <i>Planta Med. </i><b>1999</b>, <i>65</i>, 78&#150;80.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=4946501&pid=S1870-249X201100040001200023&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>     ]]></body>
<body><![CDATA[ ]]></body><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bharti]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Mohapatra]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chem. Rev.]]></source>
<year>2009</year>
<volume>109</volume>
<page-range>1900-1947</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cervantes-Martínez]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Yépez-Mulia]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ethnopharmacol.]]></source>
<year>2005</year>
<volume>98</volume>
<page-range>191-193</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Phillipson]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Wrigth]]></surname>
<given-names><![CDATA[C. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Planta Med.]]></source>
<year>1991</year>
<volume>57</volume>
<page-range>S53-S59</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Yépez-Mulia]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Tapia-Contreras]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Maldonado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytother. Res.]]></source>
<year>2010</year>
<volume>24</volume>
<page-range>662-665</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Yépez-Mulia]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ethnopharmacol.]]></source>
<year>2006</year>
<volume>108</volume>
<page-range>367-370</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barbosa]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ethnopharmacol.]]></source>
<year>2007</year>
<volume>109</volume>
<page-range>552-554</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camargo-Ricalde]]></surname>
<given-names><![CDATA[S. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev. Biol. Trop.]]></source>
<year>2000</year>
<volume>48</volume>
<page-range>939-54</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera-Arce]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez-Soto]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Herrera-Arellano]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arzate]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Agüero]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Feria-Romero]]></surname>
<given-names><![CDATA[I. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Guzmán]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lozoya]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ethnopharmacol.]]></source>
<year>2007</year>
<volume>109</volume>
<page-range>523-528</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vepsälänen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Auriola]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tukiainen]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ropponen]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Callaway]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Planta Med.]]></source>
<year>2005</year>
<volume>71</volume>
<page-range>1053-1057</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Massiot]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lavaud]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Teulon]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Guéchot]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Haag-Berrurier]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Anton]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phyotchemistry]]></source>
<year>1991</year>
<volume>30</volume>
<page-range>2357-2360</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zippel]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Deters]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hensel]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Ethnopharmacol.]]></source>
<year>2009</year>
<volume>124</volume>
<page-range>391-396</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dominguez]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Nat. Prod.]]></source>
<year>1989</year>
<volume>52</volume>
<page-range>864-867</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ohsaki]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Yokoyama]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Miyatake]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Fukuyama]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chem. Pharm. Bull.]]></source>
<year>2006</year>
<volume>54</volume>
<page-range>1728-1729</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Maldonado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Planta Med.]]></source>
<year>2004</year>
<volume>70</volume>
<page-range>536-539</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Begley]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Crombie]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[London]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Savin]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Whiting]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Chem. Soc. Perkin Trans.]]></source>
<year>1987</year>
<volume>I</volume>
<page-range>2275-2280</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pisutthanan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Liawruangrath]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Liawruangrath]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bremner]]></surname>
<given-names><![CDATA[J. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nat. Prod. Res. A]]></source>
<year>2006</year>
<volume>20</volume>
<page-range>1192-1198</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rashid]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Armstrong]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Waterman]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochemistry]]></source>
<year>1992</year>
<volume>31</volume>
<page-range>1265-1269</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Spring]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Heil]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Vogler]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochemistry]]></source>
<year>1997</year>
<volume>46</volume>
<page-range>1369-1373</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Harborne]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Geiger]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoult]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochemistry]]></source>
<year>1999</year>
<volume>51</volume>
<page-range>417-423</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Horie]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Shibata]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Yamashita]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kawamura]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsukayama]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chem. Pharm. Bull.]]></source>
<year>1997</year>
<volume>45</volume>
<page-range>446-451</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Meckes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cedillo-Rivera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Pharm. Biol.]]></source>
<year>1998</year>
<volume>36</volume>
<page-range>305-330</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Finney]]></surname>
<given-names><![CDATA[DL.]]></given-names>
</name>
</person-group>
<source><![CDATA[Probit Analysis]]></source>
<year>1977</year>
<page-range>20</page-range><publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Calzada]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Meckes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cedillo-Rivera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Planta Med.]]></source>
<year>1999</year>
<volume>65</volume>
<page-range>78-80</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
