<?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>0187-7151</journal-id>
<journal-title><![CDATA[Acta botánica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Act. Bot. Mex]]></abbrev-journal-title>
<issn>0187-7151</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C., Centro Regional del Bajío]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-71512019000100156</article-id>
<article-id pub-id-type="doi">10.21829/abm126.2019.1493</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Phenolic characterization and antioxidant capacity of alcoholic extracts from raw and boiled leaves of Cnidoscolus aconitifolius (Euphorbiaceae)]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización fenólica y capacidad antioxidante de extractos alcohólicos de hojas crudas y hervidas de Cnidoscolus aconitifolius (Euphorbiaceae)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Godínez-Santillán]]></surname>
<given-names><![CDATA[Rosa Iris]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez-Servín]]></surname>
<given-names><![CDATA[Jorge Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Gasca]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán-Maldonado]]></surname>
<given-names><![CDATA[Salvador Horacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Querétaro Facultad de Ciencias Naturales ]]></institution>
<addr-line><![CDATA[Juriquilla Querétaro]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro de Investigación Regional del Centro Laboratorio de Alimentos]]></institution>
<addr-line><![CDATA[Celaya Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<numero>126</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512019000100156&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512019000100156&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512019000100156&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background and Aims: Cnidoscolus aconitifolius is a shrubby species that is used as an ornamental, medicinal and food plant in various parts of the world, known in Mexico as chaya. Little research has been published on its phenolic composition and antioxidant capacity. The objective of this study is to determine phenolic composition and antioxidant capacity of hydroalcoholic extracts (methanol-water and ethanol-water) in different proportions from raw and boiled C. aconitifolius leaves.  Methods: Cnidoscolus aconitifolius was cultivated on the campus of the University of Querétaro (Mexico; 2014) using woody cuttings. During the summer of 2016, sampling of leaves of all the plants were carried out. Total phenolic content (TPC), total flavonoid content (TFC) and antioxidant capacity were determined in raw and boiled leaves from methanol-water (50:50 and 80:20) and ethanol-water (50:50 and 80:20) extracts. Furthermore, the phenolic compounds of each of the extracts were identified and quantified by the RP-HPLC-DAD method.  Key results:  Eleven phenolic compounds were identified and quantified in C. aconitifolius: gallic acid, vanillic acid, vanillin, chlorogenic acid, caffeic acid, ferulic acid, rosmarinic acid, p-coumaric acid, resveratrol, luteolin and apigenin. In general, boiled leaves showed greater antioxidant capacity than raw leaves. Differences were observed in the content of the phenolic compounds depending on the type of solvent and mixture. The 80:20 ethanol extract from boiled leaves had the higher content of polyphenols.  Conclusions:  The boiling of the leaves increased the content of phenolic compounds in the extracts analyzed. The results of this study indicate that chaya leaves are a rich source of natural antioxidants.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes y Objetivos: Cnidoscolus aconitifolius es una especie arbustiva que se utiliza como planta ornamental, medicinal y alimentaria en varias partes del mundo, conocida en México como chaya. Existe poca investigación científica publicada sobre su composición fenólica y su capacidad antioxidante. El objetivo de este estudio es determinar la caracterización fenólica y la capacidad antioxidante de extractos hidroalcohólicos (metanol-agua y etanol-agua) en diferentes proporciones de hojas de C. aconitifolius crudas y hervidas.  Métodos:  Se realizó un cultivo de C. aconitifolius en el campus de la Universidad de Querétaro (México; 2014) utilizando estacas leñosas. Durante el verano de 2016 se realizaron muestreos de hojas de todas las plantas cultivadas. El contenido de compuestos fenólicos totales (CFT), el contenido total de flavonoides (CTF) y la capacidad antioxidante se determinaron en extractos de metanol-agua (50:50 y 80:20) y de etanol-agua (50:50 y 80:20) provenientes de hojas crudas y hervidas. Además, se identificaron y cuantificaron compuestos fenólicos de cada uno de los extractos mediante el método RP-HPLC-DAD.  Resultados clave: Se identificaron y cuantificaron 11 compuestos fenólicos en la especie C. aconitifolius: ácido gálico, ácido vanílico, vainillina, ácido clorogénico, ácido cafeico, ácido ferúlico, ácido rosmarínico, ácido p-cumárico, resveratrol, luteolina y apigenina. En general, la decocción de las hojas mostró una mayor capacidad antioxidante que las hojas crudas. Se observaron diferencias en el contenido de compuestos fenólicos debido al tipo de solvente y mezcla utilizada, siendo el extracto etanólico 80:20 proveniente de la decocción de las hojas de chaya el que mostró mayor contenido de polifenoles.  Conclusiones:  La decocción de las hojas incrementó el contenido de compuestos fenólicos en los extractos analizados. Los resultados de este estudio indican que las hojas de chaya son una fuente rica de antioxidantes naturales.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[antioxidants]]></kwd>
<kwd lng="en"><![CDATA[chaya]]></kwd>
<kwd lng="en"><![CDATA[HPLC-DAD]]></kwd>
<kwd lng="en"><![CDATA[phenolic compounds]]></kwd>
<kwd lng="es"><![CDATA[antioxidantes]]></kwd>
<kwd lng="es"><![CDATA[chaya]]></kwd>
<kwd lng="es"><![CDATA[compuestos fenólicos]]></kwd>
<kwd lng="es"><![CDATA[glucósido cianogénico]]></kwd>
<kwd lng="es"><![CDATA[HPLC-DAD]]></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[Abdelfadel]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Khalaf]]></surname>
<given-names><![CDATA[H. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sharoba]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Assous]]></surname>
<given-names><![CDATA[M. T. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of extraction methods on antioxidant and antimicrobial activities of some spices and herbs extracts]]></article-title>
<source><![CDATA[International Journal of Advanced Research]]></source>
<year>2015</year>
<volume>3</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>165-79</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Achi]]></surname>
<given-names><![CDATA[N. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Ohaeri]]></surname>
<given-names><![CDATA[O. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ijeh]]></surname>
<given-names><![CDATA[I. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Eleazu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modulation of the lipid profile and insulin levels of streptozotocin induced diabetic rats by ethanol extract of Cnidoscolus aconitifolius leaves and some fractions: Effect on the oral glucose tolerance of normoglycemic rats]]></article-title>
<source><![CDATA[Biomedicine &amp; Pharmacotherapy]]></source>
<year>2017</year>
<volume>86</volume>
<page-range>562-9</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Adeniran]]></surname>
<given-names><![CDATA[O. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Olajide]]></surname>
<given-names><![CDATA[O. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Igwemmar]]></surname>
<given-names><![CDATA[N. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Orishadipe]]></surname>
<given-names><![CDATA[A. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phytochemical constituents, antimicrobial and antioxidant potentials of tree spinach (Cnidoscolus aconitifolius (Miller) I.M. Johnston)]]></article-title>
<source><![CDATA[Journal of Medicinal Plants Research]]></source>
<year>2013</year>
<volume>7</volume>
<numero>19</numero>
<issue>19</issue>
<page-range>1310-6</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Adomako-Bonsu]]></surname>
<given-names><![CDATA[A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Chan]]></surname>
<given-names><![CDATA[S. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Pratten]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fry]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant activity of rosmarinic acid and its principal metabolites in chemical and cellular systems: Importance of physico-chemical characteristics]]></article-title>
<source><![CDATA[Toxicology in Vitro]]></source>
<year>2017</year>
<volume>40</volume>
<page-range>248-55</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alothman]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bhat]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Karim]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant capacity and phenolic content of selected tropical fruits from Malaysia, extracted with different solvents]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>2009</year>
<volume>115</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>785-8</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Awoyinka]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Balogun]]></surname>
<given-names><![CDATA[I. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Ogunnowo]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phytochemical screening and in vitro bioactivity of Cnidoscolus aconitifolius (Euphorbiaceae)]]></article-title>
<source><![CDATA[Journal of Medicinal Plants Research]]></source>
<year>2007</year>
<volume>1</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>63-5</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benzie]]></surname>
<given-names><![CDATA[I. F. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Strain]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Ferric Reducing Ability of Plasma (FRAP) as a Measure of &#8220;Antioxidant Power&#8221;: The FRAP Assay]]></article-title>
<source><![CDATA[Analytical Biochemistry]]></source>
<year>1996</year>
<volume>239</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>70-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boligon]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Athayde]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Technical Evaluation of Antioxidant Activity]]></article-title>
<source><![CDATA[Medicinal chemestry]]></source>
<year>2014</year>
<volume>4</volume>
<page-range>517-22</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro-López]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ventura-Sobrevilla]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[González-Hernández]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ascacio-Valdés]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[C. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Ávila]]></surname>
<given-names><![CDATA[G. C. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of extraction techniques on antioxidant capacities and phytochemical composition of polyphenol-rich extracts]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>2017</year>
<volume>237</volume>
<page-range>1139-48</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dewanto]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Adom]]></surname>
<given-names><![CDATA[K. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Thermal Processing Enhances the Nutritional Value of Tomatoes by Increasing Total Antioxidant Activity]]></article-title>
<source><![CDATA[Journal of Agricultural and Food Chemistry]]></source>
<year>2002</year>
<volume>50</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>3010-4</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Do]]></surname>
<given-names><![CDATA[Q. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Angkawijaya]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Tran-Nguyen]]></surname>
<given-names><![CDATA[P. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Huynh]]></surname>
<given-names><![CDATA[L. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Soetaredjo]]></surname>
<given-names><![CDATA[F. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ismadji]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ju]]></surname>
<given-names><![CDATA[Y. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of extraction solvent on total phenol content, total flavonoid content, and antioxidant activity of Limnophila aromatica]]></article-title>
<source><![CDATA[Journal of Food and Drug Analysis]]></source>
<year>2014</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>296-302</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Lv]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Hou]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Shao]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resveratrol, an antioxidant, protects spinal cord injury in rats by suppressing MAPK pathway]]></article-title>
<source><![CDATA[Saudi Journal of Biological Sciences]]></source>
<year>2018</year>
<volume>25</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>259-66</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García-Rodríguez]]></surname>
<given-names><![CDATA[R. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Rebolledo]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Méndez-Bolaina]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Medina]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Maldonado-Saavedra]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez-Ortiz]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-Hernández]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz-Muñiz]]></surname>
<given-names><![CDATA[O. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Sánchez]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cnidoscolus chayamansa McVaugh, an important antioxidant, anti-inflammatory and cardioprotective plant used in Mexico]]></article-title>
<source><![CDATA[Journal of Ethnopharmacology]]></source>
<year>2014</year>
<volume>151</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>937-43</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gironi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Piemonte]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Temperature and solvent effects on polyphenol extraction process from chestnut tree wood]]></article-title>
<source><![CDATA[Chemical Engineering Research and Design]]></source>
<year>2011</year>
<volume>89</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>857-62</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González-Laredo]]></surname>
<given-names><![CDATA[R. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores De La Hoya]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Quintero-Ramos]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Karchesy]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Flavonoid and cyanogenic contents of chaya (spinach tree)]]></article-title>
<source><![CDATA[Plant Foods for Human Nutrition]]></source>
<year>2003</year>
<volume>58</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Govardhan Singh]]></surname>
<given-names><![CDATA[R. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Negi]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Radha]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phenolic composition, antioxidant and antimicrobial activities of free and bound phenolic extracts of Moringa oleifera seed flour]]></article-title>
<source><![CDATA[Journal of Functional Foods]]></source>
<year>2013</year>
<volume>5</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1883-91</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Halliwell]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutteridge]]></surname>
<given-names><![CDATA[J. M. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Free Radicals in Biology and Medicine]]></source>
<year>2015</year>
<edition>Fifht</edition>
<page-range>896</page-range><publisher-loc><![CDATA[Oxford, UK ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<collab>IBM Corp</collab>
<source><![CDATA[IBM SPSS Statistics for Windows, Version 23.0]]></source>
<year>2015</year>
<publisher-loc><![CDATA[Armonk, USA ]]></publisher-loc>
<publisher-name><![CDATA[IBM Corp]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kaufmann]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Christen]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Veuthey]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Parameters affecting microwave-assisted extraction of withanolides]]></article-title>
<source><![CDATA[Phytochemical Analysis]]></source>
<year>2001</year>
<volume>12</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>327-31</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kiliç]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ye&#351;ilo&#287;lu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Spectroscopic studies on the antioxidant activity of p-coumaric acid]]></article-title>
<source><![CDATA[Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy]]></source>
<year>2013</year>
<volume>115</volume>
<page-range>719-24</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klaassen]]></surname>
<given-names><![CDATA[C. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Casarett]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Doull]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Casarett and Doull&#8217;s toxicology : the basic science of poisons]]></source>
<year>2013</year>
<edition>8th</edition>
<page-range>454</page-range><publisher-loc><![CDATA[New Yorh, USA ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kolterman]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Breckon]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kowal]]></surname>
<given-names><![CDATA[R. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemotaxonomic Studies in Cnidoscolus (Euphorbiaceae). II. Flavonoids of C. aconitifolius, C. souzae, and C. spinosus]]></article-title>
<source><![CDATA[Systematic Botany]]></source>
<year>1984</year>
<volume>9</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>22-32</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuri-García]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chávez-Servín]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán-Maldonado]]></surname>
<given-names><![CDATA[S. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Profile and antioxidant capacity of Cnidoscolus chayamansa and Cnidoscolus aconitifolius: A review]]></article-title>
<source><![CDATA[Journal of Medicinal Plants Research]]></source>
<year>2017</year>
<volume>11</volume>
<numero>45</numero>
<issue>45</issue>
<page-range>713-27</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuti]]></surname>
<given-names><![CDATA[J. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Konuru]]></surname>
<given-names><![CDATA[H. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant Capacity and Phenolic Content in Leaf Extracts of Tree Spinach (Cnidoscolus spp.)]]></article-title>
<source><![CDATA[Journal of Agricultural and Food Chemistry]]></source>
<year>2004</year>
<volume>52</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>117-21</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuti]]></surname>
<given-names><![CDATA[J. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuti]]></surname>
<given-names><![CDATA[H. O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Proximate composition and mineral content of two edible species of Cnidoscolus (tree spinach)]]></article-title>
<source><![CDATA[Plant Foods for Human Nutrition]]></source>
<year>1999</year>
<volume>53</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>275-83</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Loarca-Piña]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos-Gómez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynoso]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant, Antimutagenic, and Antidiabetic Activities of Edible Leaves from Cnidoscolus chayamansa Mc. Vaugh]]></article-title>
<source><![CDATA[Journal of Food Science]]></source>
<year>2010</year>
<volume>75</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>68-72</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martínez Cruz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stevia rebaudiana Bertoni. una revisión]]></article-title>
<source><![CDATA[Cultivos tropicales]]></source>
<year>2015</year>
<volume>36</volume>
<page-range>5-15</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos-Buelga]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[M. Henriques]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[I. C. F. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Decoction, infusion and hydroalcoholic extract of cultivated thyme: Antioxidant and antibacterial activities, and phenolic characterisation]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>2015</year>
<volume>167</volume>
<page-range>131-7</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Müller]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Fröhlich]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Böhm]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative antioxidant activities of carotenoids measured by ferric reducing antioxidant power (FRAP), ABTS bleaching assay (&#945;TEAC), DPPH assay and peroxyl radical scavenging assay]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>2011</year>
<volume>129</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>139-48</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ou]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Hampsch-Woodill]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Prior]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Development and Validation of an Improved Oxygen Radical Absorbance Capacity Assay Using Fluorescein as the Fluorescent Probe]]></article-title>
<source><![CDATA[Journal of Agricultural and Food Chemistry]]></source>
<year>2001</year>
<volume>49</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>4619-26</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-González]]></surname>
<given-names><![CDATA[M. Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Rebolledo]]></surname>
<given-names><![CDATA[G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez-Arellanes]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Importancia nutricional, farmacológica y química de la chaya (Cnidoscolus chayamansa), Revisión bibliográfica]]></article-title>
<source><![CDATA[Temas de Ciencia y Tecnología]]></source>
<year>2016</year>
<volume>20</volume>
<numero>60</numero>
<issue>60</issue>
<page-range>43-56</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pohl]]></surname>
<given-names><![CDATA[J. B. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plantarum Brasiliae Icones et Descriptiones]]></source>
<year>1827</year>
<volume>1-2</volume>
<page-range>56-63</page-range><publisher-loc><![CDATA[Austria, Viena ]]></publisher-loc>
<publisher-name><![CDATA[Vindobonae]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pyrzynska]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[P&#281;kal]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application of free radical diphenylpicrylhydrazyl (DPPH) to estimate the antioxidant capacity of food samples]]></article-title>
<source><![CDATA[Analytical Methods]]></source>
<year>2013</year>
<volume>5</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>4288-95</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramamurthy]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Maiti]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Nair]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[High performance liquid chromatography determination of phenolic acids in potato tubers (Solanum tuberosum) during wound healing]]></article-title>
<source><![CDATA[Journal of Agricultural and Food Chemistry]]></source>
<year>1992</year>
<volume>40</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>569-72</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramamurthy]]></surname>
<given-names><![CDATA[C. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Suresh Kumar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Suyavaran]]></surname>
<given-names><![CDATA[V. S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mareeswaran]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Thirunavukkarasu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of Antioxidant, Radical Scavenging Activity and Polyphenolics Profile in Solanum torvum L. Fruits]]></article-title>
<source><![CDATA[Journal of Food Science]]></source>
<year>2012</year>
<volume>77</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>907-13</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos-Gomez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa-Pérez]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Guzman-Maldonado]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Loarca-Piña]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Quezada-Tristán]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Reynoso-Camacho]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phytochemical Profile, Antioxidant Properties and Hypoglycemic Effect of Chaya (Cnidoscolus chayamansa) in STZ-Induced Diabetic Rats]]></article-title>
<source><![CDATA[Journal of Food Biochemistry]]></source>
<year>2017</year>
<volume>41</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Re]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pellegrini]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Proteggente]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pannala]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rice-Evans]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant activity applying and improved ABTS radical cation decolorization assay]]></article-title>
<source><![CDATA[Free Radical Biology and Medicine]]></source>
<year>1999</year>
<volume>26</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1231-7</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shyi-Neng]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Yi-Chun]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ya-Siou]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Chi-Tang]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phenolic content, antioxidant activity and effective compounds of kumquat extracted by different solvents]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>2016</year>
<volume>197</volume>
<numero>A</numero>
<issue>A</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shukla]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Mehta]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mehta]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Bajpai]]></surname>
<given-names><![CDATA[V. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant ability and total phenolic content of aqueous leaf extract of Stevia rebaudiana Bert]]></article-title>
<source><![CDATA[Experimental and Toxicologic Pathology]]></source>
<year>2012</year>
<volume>64</volume>
<numero>7-8</numero>
<issue>7-8</issue>
<page-range>807-11</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singleton]]></surname>
<given-names><![CDATA[V. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Orthofer]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Lamuela-Raventós]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analysis of total phenols and other oxidation substrates and antioxidants by means of folin-ciocalteu reagent]]></article-title>
<source><![CDATA[Methods in Enzymology]]></source>
<year>1999</year>
<volume>299</volume>
<page-range>152-78</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<collab>TROPICOS</collab>
<source><![CDATA[Tropicos.org. Missouri Botanical Garden]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valenzuela Soto]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales Rubio]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Verde Star]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Oranday Cárdenas]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Preciado-Rangel]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Esparza-Rivera]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cnidoscolus chayamansa organic hydroponic and its hypoglycemic capacity, nutraceutical quality and toxicity]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Agrícolas]]></source>
<year>2015</year>
<volume>6</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>815-25</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhishen]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mengcheng]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Jianming]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The determination of flavonoid contents in mulberry and their scavenging effects on superoxide radicals]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>1999</year>
<volume>64</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>555-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
