<?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>0120-100X</journal-id>
<journal-title><![CDATA[Revista ION]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. ion]]></abbrev-journal-title>
<issn>0120-100X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-100X2017000200099</article-id>
<article-id pub-id-type="doi">10.18273/revion.v30n2-2017009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación del potencial antioxidante en extracto de espinaca por voltamperometría cíclica]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of antioxidant potential in a spinach extract by cyclic voltammetry]]></article-title>
<article-title xml:lang="pt"><![CDATA[Avaliação do potencial antioxidante no extrato de espinafre por voltametria cíclica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Cabeza]]></surname>
<given-names><![CDATA[Susan B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morón Angarita]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cervantes]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barón-Rodríguez]]></surname>
<given-names><![CDATA[Mario A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Santo Tomás Facultad de Química Ambiental. División de Ingenierías y Arquitectura Grupo de Investigaciones Ambientales para el Desarrollo Sostenible]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>30</volume>
<numero>2</numero>
<fpage>99</fpage>
<lpage>105</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-100X2017000200099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-100X2017000200099&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-100X2017000200099&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La capacidad antioxidante de extractos de plantas ha sido estudiada por técnicas voltamperométricas gracias a su sensibilidad, selectividad, bajo costo, simplicidad y rapidez. En esta investigación se utilizó la Voltamperometría Cíclica para estudiar el potencial antioxidante en la preservación de extractos etanólicos de hojas de espinaca (Spinacia oleracea). Los extractos se obtuvieron luego de macerar hojas de espinaca con etanol industrial y llevar a ultrasonido. Los barridos potenciométricos de los extractos a 0, 7 y 15 días de preparación se realizaron en una solución amortiguadora Sørensen. Se utilizaron electrodos de Au (trabajo), Ag/AgCl (referencia) y Pt (auxiliar) desde -1,2 hasta 1,2V. Los resultados mostraron una alta capacidad antioxidante de los extractos (potenciales de oxidación por debajo de los 600mV) y una disminución en la corriente durante el aumento de la preservación de los extractos (0, 7 y 15 días); lo cual permitió concluir que su potencial antioxidante disminuye a través del tiempo gobernada por una cinética de primer orden. Además, los resultados de la capacidad antioxidante fueron correlacionados con la cuantificación de polifenoles totales, mediante en método de Folin Ciocalteu.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The antioxidant capacity of plant extracts has been studied by voltammetric techniques thanks to its sensitivity, selectivity, low cost, simplicity and speed. In this research, Cyclic Voltamperometry was used to study the antioxidant potential and stability in ethanolic extracts of spinach leaves (Spinacia oleracea) over time. The extracts were obtained after ultrasound of macerating spinach leaves with industrial ethanol. The potentiometric sweeps of the extracts at 0, 7 and 15 days of preparation were carried out in a Sørensen buffer. Electrodes of Au (work), Ag/AgCl (reference) and Pt (auxiliary) were used from -1.2 to 1.2V. The results showed a high antioxidant capacity of the extracts (oxidation potentials below 600mV) and a decrease in the current while the extracts preservation (0, 7 and 15 days), which allows the conclusion that its Antioxidant potential decreases over time describing a first-order kinetic. Also, the results of the antioxidant capacity were correlated with the Folin Ciocalteu method.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo A capacidade antioxidante de extratos de plantas foi estudada por meio de técnicas voltamétricas atribuído à sua sensibilidade, seletividade, baixo custo, simplicidade e velocidade. Voltametria cíclica foi utilizada nesta pesquisa para estudar o potencial antioxidante e estabilidade no extrato etanolico de folhas de espinafre (Spinacia oleracea) ao longo do tempo. Esses extratos foram obtidos por maceração das folhas de espinafre com álcool industrial e sonificadas por 40min. Os barridos potenciometricos dos Extratos foram realizados numa solução tampão de Sorensen. Eléctrodos de trabalho (Au), de Ag/AgCl (referência) e Pt (eléctrodo auxiliar) a uma velocidade de varrimento de 100mV/s foram usadas -1,2 a -1,2mV. Os resultados mostraram uma elevada capacidade antioxidante dos extratos (potenciais de oxidação mV abaixo de 600) e uma diminuição na corrente com respeito à idade dos extratos (0, 7 e 15 dias), o que permitiu concluir que o potencial antioxidante diminui ao longo do tempo por uma cinética de primeira ordem. Além disso, os resultados da capacidade antioxidante foram correlacionados com a cuantificação de polifenoles totales, através do método de Folin Ciocalteu.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[radicales libres]]></kwd>
<kwd lng="es"><![CDATA[estrés oxidativo]]></kwd>
<kwd lng="es"><![CDATA[voltamperometría cíclica]]></kwd>
<kwd lng="es"><![CDATA[extracto de espinaca]]></kwd>
<kwd lng="es"><![CDATA[potencial antioxidante.]]></kwd>
<kwd lng="en"><![CDATA[free radicals]]></kwd>
<kwd lng="en"><![CDATA[oxidative stress]]></kwd>
<kwd lng="en"><![CDATA[cyclic voltammetry]]></kwd>
<kwd lng="en"><![CDATA[spinach extract]]></kwd>
<kwd lng="en"><![CDATA[antioxidant potential]]></kwd>
<kwd lng="pt"><![CDATA[radicais livres]]></kwd>
<kwd lng="pt"><![CDATA[estresse oxidativo]]></kwd>
<kwd lng="pt"><![CDATA[voltametria cíclica]]></kwd>
<kwd lng="pt"><![CDATA[extrato de espinafre]]></kwd>
<kwd lng="pt"><![CDATA[potencial antioxidante]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Minussi]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Rossi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bologna]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Cordi]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Rotilio]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Pastore]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phenolic compounds and total antioxidant potential of commercial wines Food Chem]]></article-title>
<source><![CDATA[Elsevier]]></source>
<year>2003</year>
<volume>82</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>409-16</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hamauzu]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phenolics, ascorbic acid, carotenoids and antioxidant activity of broccoli and their changes during conventional and microwave cooking Food Chem]]></article-title>
<source><![CDATA[Elsevier]]></source>
<year>2004</year>
<volume>88</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>503-9</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oroian]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Escriche]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidants Characterization, natural sources, extraction and analysis]]></article-title>
<source><![CDATA[Food Res Int]]></source>
<year>2015</year>
<volume>74</volume>
<page-range>10-36</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[La]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Toro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Fredy]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Taipe]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación De La Actividad Antioxidante Del Pisco Peruano Mediante Voltametría Cíclica]]></article-title>
<source><![CDATA[Rev Soc Quím Perú]]></source>
<year>2011</year>
<volume>77</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>127-34</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sochor]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Dobes]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Krystofova]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Ruttkaynedecky]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Babula]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Pohanka]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrochemistry as a Tool for Studying Antioxidant Properties Int. J. Electrochem]]></article-title>
<source><![CDATA[Sci]]></source>
<year>2013</year>
<volume>8</volume>
<page-range>8464-89</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz-Montoya]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Palma]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso-Garrido]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Pintado]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chemistry]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Chemistry]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<source><![CDATA[Comparison of the Simple Cyclic Voltammetry (CV) and DPPH Assays for the Determination of Antioxidant Capacity of Active Principles]]></source>
<year>2012</year>
<page-range>5126-38</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zielinski]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Zielinska]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Kostyra]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant capacity of a new crispy type food products determined by updated analytical strategies]]></article-title>
<source><![CDATA[Food Chem]]></source>
<year>2012</year>
<volume>130</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1098-104</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simic]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Manojlovic]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Segan]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Todorovic]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrochemical behavior and antioxidant and prooxidant activity of natural phenolics]]></article-title>
<source><![CDATA[Molecules]]></source>
<year>2007</year>
<volume>12</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>2327-40</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brcanovic]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Pavlovic]]></surname>
<given-names><![CDATA[AN]]></given-names>
</name>
<name>
<surname><![CDATA[Mitic]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Stojanovic]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Manojlovic]]></surname>
<given-names><![CDATA[DD]]></given-names>
</name>
<name>
<surname><![CDATA[Kalicanin]]></surname>
<given-names><![CDATA[BM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cyclic voltammetry determination of antioxidant capacity of cocoa powder, dark chocolate and milk chocolate samples Correlation with spectrophotometric assays and individual phenolic compounds]]></article-title>
<source><![CDATA[Food Technol Biotechnol]]></source>
<year>2013</year>
<volume>51</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>460-70</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piovesan]]></surname>
<given-names><![CDATA[JV]]></given-names>
</name>
<name>
<surname><![CDATA[Jost]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Spinelli]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electroanalytical determination of total phenolic compounds by square-wave voltammetry using a poly(vinylpyrrolidone)-modified carbon-paste electrode]]></article-title>
<source><![CDATA[Sensors Actuators B Chem]]></source>
<year>2015</year>
<volume>216</volume>
<page-range>192-7</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandez]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Fuentes]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Determinación de polifenoles totales por el método de Folin- Ciocalteu]]></source>
<year>2015</year>
<publisher-name><![CDATA[Univ Politécnica Val]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bernaert]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[De Paepe]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Bouten]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[De Clercq]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Stewart]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Van Bockstaele]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant capacity, total phenolic and ascorbate content as a function of the genetic diversity of leek (Allium ampeloprasum var porrum)]]></article-title>
<source><![CDATA[Food Chem]]></source>
<year>2012</year>
<volume>134</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>669-77</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arteaga]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz-Montoya]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Palma]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[AlonsoGarrido]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Pintado]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Mellad]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of the simple cyclic voltammetry (CV) and DPPH assays for the determination of antioxidant capacity of active principles]]></article-title>
<source><![CDATA[Molecules]]></source>
<year>2012</year>
<volume>17</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>5126-38</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[García-Risco]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Jaime]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Reglero]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Fornari]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simultaneous extraction of rosemary and spinach leaves and its effect on the antioxidant activity of products]]></article-title>
<source><![CDATA[J Supercrit Fluids]]></source>
<year>2013</year>
<volume>82</volume>
<page-range>138-45</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Howard]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Pandjaitan]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Morelock]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Gil]]></surname>
<given-names><![CDATA[MI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant Capacity and Phenolic Content of Spinach As Affected by Genetics and Growing Season J. Agric]]></article-title>
<source><![CDATA[Food Chem]]></source>
<year>2002</year>
<volume>50</volume>
<numero>21</numero>
<issue>21</issue>
<page-range>5891-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pandjaitan]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Howard]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Morelock]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Gil]]></surname>
<given-names><![CDATA[MI]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant capacity and phenolic content of spinach as affected by genetics and maturation J. Agric]]></article-title>
<source><![CDATA[Food Chem]]></source>
<year>2005</year>
<volume>53</volume>
<numero>22</numero>
<issue>22</issue>
<page-range>8618-23</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turkmen]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Sari]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Velioglu]]></surname>
<given-names><![CDATA[YS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of cooking methods on total phenolics and antioxidant activity of selected green vegetables]]></article-title>
<source><![CDATA[Food Chem]]></source>
<year>2005</year>
<volume>93</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>713-8</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blainski]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[GC]]></given-names>
</name>
<name>
<surname><![CDATA[de Mello]]></surname>
<given-names><![CDATA[JC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Application and Analysis of the Folin Ciocalteu Method for the Determination of the Total Phenolic Content from Limonium Brasiliense L]]></article-title>
<source><![CDATA[Molecules]]></source>
<year>2013</year>
<volume>18</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>6852-65</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arroyo Currás]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<source><![CDATA[Sistema aprótico para el estudio voltamperométrico de polifenoles: actividad antioxidante vs conducta electroquímica (Proyecto de pregrado). Monterrey,]]></source>
<year>2009</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Tecnológico y de Estudios Superiores de Monterrey]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<collab>La Rosa Toro A.Vigo López F.Muedas Taipe G</collab>
<article-title xml:lang=""><![CDATA[Assessment of the antioxidant activity of peruvian pisco through cyclic voltammetry Rev. Soc. Quim]]></article-title>
<source><![CDATA[Perú]]></source>
<year>2011</year>
<volume>77</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>127-34</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chevion]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chevion]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Chock]]></surname>
<given-names><![CDATA[PB]]></given-names>
</name>
<name>
<surname><![CDATA[Beecher]]></surname>
<given-names><![CDATA[GR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant capacity of edible plants Extraction protocol and direct evaluation by cyclic voltammetry]]></article-title>
<source><![CDATA[J Med Food]]></source>
<year>1999</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
