<?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>0120-2804</journal-id>
<journal-title><![CDATA[Revista Colombiana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Quim.]]></abbrev-journal-title>
<issn>0120-2804</issn>
<publisher>
<publisher-name><![CDATA[Departamento de Química,  Universidad Nacional de Colombia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28042017000200045</article-id>
<article-id pub-id-type="doi">10.15446/rev.colomb.quim.v46n2.63015</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de métodos de extracción para la obtención del ácido giberélico en semillas germinadas de maíz (Zea mays L.)]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparison of different extraction methods for giberelic acid obtention from corn (Zea mays L.) germinated seeds]]></article-title>
<article-title xml:lang="pt"><![CDATA[Avaliação de metodologias de extração para a obtenção do ácido giberélico em sementes germinadas de milho (Zea mays L.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[Juan David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[Yaned Milena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Penagos]]></surname>
<given-names><![CDATA[Juan Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales ]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Caldas Facultad de Ciencias Exactas y Naturales ]]></institution>
<addr-line><![CDATA[Manizales ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<numero>2</numero>
<fpage>45</fpage>
<lpage>50</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28042017000200045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28042017000200045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28042017000200045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El maíz (Zea mays L.) es el segundo cereal de mayor cultivo a nivel mundial el cual es empleado como materia prima en diferentes industrias. Hasta el momento no se han encontrado reportes de la obtención del ácido giberélico (GA3) en esta planta. En el presente trabajo se compararon los métodos de extracción sólido-líquido por lixiviación y la extracción dinámica con disolvente asistida por sonicación (DSASE) para la obtención del GA3 a partir de semillas germinadas de maíz. Los factores trabajados en la extracción por lixiviación fueron el método físico, el solvente y el tiempo, mientras que los parámetros por DSASE fueron el flujo, el solvente y el tiempo. La mayor concentración del GA3 se obtuvo con el método DSASE (30,012 mg/kg), empleando como solvente acetonitrilo-ácido fórmico 5% (80;20, v:v) a un flujo de 0,4 mL/min y un tiempo de extracción de 25,0 min. La identificación y la cuantificación del GA3 se realizó mediante cromatografía líquida de alta eficiencia (HPLC) con detector de arreglo de diodos (DAD). Estos resultados evidenciaron que la DSASE es una alternativa novedosa para la obtención del GA3, dada su alta eficiencia, el bajo consumo de solvente y su simplicidad en la obtención del extracto.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Corn (Zea mays L.) is the second most cultivated cereal in the world and is used as raw material for different kind of industries. To date no reports about obtaining giberellic acid (GA3) from corn have been found. In the present study two methods for extracting solid samples were evaluated; lixiviation and dynamic sonication-assisted solvent extraction (DSASE), for obtaining giberellic acid from corn germinated seeds. In lixiviation, the physical method (agitation and sonication), solvent, and time were the parameters analyzed; while in DSASE the variables were; solvent, flow, and time. The most efficient technique was DSASE employing acetonitrile-formic acid 5% (80;20, v:v) as solvent at a flow of 0,4 mL/ min for 25,0 min, obtaining a concentration of 30,012 mg/kg giberellic acid. Identification and quantification were performed by high performance liquid chromatography (HPLC) with diode array detector (DAD). These results showed that dynamic sonication-assisted solvent extraction (DSASE) is a novel and powerful alternative technique for obtaining giberellic acid, because of its high efficiency; low solvent consumption and simplicity in obtaining the extract.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo O milho (Zea mays L.) é o segundo cereal mais cultivado no mundo e é usado como matéria-prima em diferentes indústrias. Até a data não foram encontrados estudos da obtenção do ácido giberélico (GA3) neste cereal. Este trabalho teve como objetivo a comparação da metodologia de extração sólido-líquido por lixiviação e a metodologia de extração dinâmica com dissolvente assistida por sonicação (DSASE) para a obtenção do ácido giberélico a partir de sementes germinadas de milho (Zea mays L.). Na extração por lixiviação foram avaliados diferentes parâmetros; o método físico, o solvente e o tempo; e na metodologia DSASE estes parâmetros foram; o solvente, o fluxo e o tempo. A maior concentração de ácido giberélico (GA3) foi obtida com a metodologia DSASE, usando como solvente acetonitrila-ácido fórmico 5% v/v (80;20), fluxo de 0,4 mL/min e tempo de extração de 25,0 min. A identificação e a quantificação do GA3 foi realizada mediante cromatografia líquida de alta eficiência (HPLC) com detecção de arreglo de diodos (DAD). Os resultados evidenciaram que a DSASE foi uma excelente alternativa para a obtenção do ácido giberélico, por apresentar alta eficiência, pouco consumo de solvente e ser umatécnica simples para a obtenção do extrato.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Fitohormonas]]></kwd>
<kwd lng="es"><![CDATA[DSASE]]></kwd>
<kwd lng="es"><![CDATA[lixiviación]]></kwd>
<kwd lng="es"><![CDATA[HPLC]]></kwd>
<kwd lng="es"><![CDATA[Zea mays L]]></kwd>
<kwd lng="en"><![CDATA[Phytohormone]]></kwd>
<kwd lng="en"><![CDATA[DSASE]]></kwd>
<kwd lng="en"><![CDATA[lixiviation]]></kwd>
<kwd lng="en"><![CDATA[HPLC]]></kwd>
<kwd lng="en"><![CDATA[Zea mays L]]></kwd>
<kwd lng="pt"><![CDATA[Fitohormônios]]></kwd>
<kwd lng="pt"><![CDATA[DSASE]]></kwd>
<kwd lng="pt"><![CDATA[HPLC]]></kwd>
<kwd lng="pt"><![CDATA[Zea mays L]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Azcon-Bieto]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Talón]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentos de fisiología vegetal]]></source>
<year>2013</year>
<edition>2th ed</edition>
<page-range>399-408</page-range><publisher-loc><![CDATA[Barcelona ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill- Interamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davies]]></surname>
<given-names><![CDATA[P. J]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Hormones. Physiology, Biochemistry and Molecular Biology]]></source>
<year>1995</year>
<edition>1st Edit</edition>
<page-range>66-80</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer - Science]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Analyses of gibberellins by capillary electrophoresis-mass spectrometry combined with solidphase extraction]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ge]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Peh]]></surname>
<given-names><![CDATA[C. Y. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Yong]]></surname>
<given-names><![CDATA[J. W. H]]></given-names>
</name>
<name>
<surname><![CDATA[Tan]]></surname>
<given-names><![CDATA[S. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Hua]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ong]]></surname>
<given-names><![CDATA[E. S]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Chromatogr. A]]></source>
<year>2007</year>
<volume>1159</volume>
<page-range>242-9</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salisbury]]></surname>
<given-names><![CDATA[E B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ross]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Fisiología Vegetal]]></source>
<year>1994</year>
<edition>1ra Ed</edition>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Grupo Editorial Iberoamericano]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marcilla]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Introducción a las operaciones de separación]]></source>
<year>1998</year>
<page-range>20-7</page-range><publisher-loc><![CDATA[España ]]></publisher-loc>
<publisher-name><![CDATA[Espagrafic]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Detection and identification of gibberellins in Douglas fir (Pseudotsuga menziesu) shoots]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Doumas]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Imbault]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Moritz]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Odén]]></surname>
<given-names><![CDATA[P. C]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol Plant]]></source>
<year>1992</year>
<volume>85</volume>
<page-range>489-94</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The use of combined capillary liquid chromatography/mass spectrometry for the identification of a gibberellin glucosyl conjugate]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moritz]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochem Anal]]></source>
<year>1992</year>
<volume>3</volume>
<page-range>32-7</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Identification and quantification of endogenous gibberellins in apical buds and the cambial region of Eucalyptus]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hasan]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Ridoutt]]></surname>
<given-names><![CDATA[B. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Davies]]></surname>
<given-names><![CDATA[N. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Reid]]></surname>
<given-names><![CDATA[J. B]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol Plant]]></source>
<year>1994</year>
<volume>90</volume>
<page-range>475-80</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Biological activity, identification and quantification of gibberellins in seedlings of Norway spruce (Picea abies) grown under different photoperiods]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moritz]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol Plant]]></source>
<year>1995</year>
<volume>95</volume>
<page-range>67-72</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Metabolism of gibberellins A1 and A3 in fruits and shoots of Prunus avium]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huanpu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Blake]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Browning]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochemistry]]></source>
<year>2001</year>
<volume>56</volume>
<page-range>67-76</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Development of a Rapid and Efficient Liquid Chromatography Method for Determination of Gibberellin A4 in Plant Tissue, with Solid Phase Extraction for Purification and Quantification]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Macías]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pournavab]]></surname>
<given-names><![CDATA[R. E]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[M. H]]></given-names>
</name>
<name>
<surname><![CDATA[Benavides]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Am JPlantSci]]></source>
<year>2014</year>
<volume>5</volume>
<page-range>573-83</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Highly Sensitive and High-Throughput Analysis of Plant Hormones Using MS Probe Modification and Liquid Chromatography - Tandem Mass Spectrometry : An Application for Hormone Profiling in Oryza sativa]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kojima]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kamada]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Komatsu]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Takei]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kuroha]]></surname>
<given-names><![CDATA[T. Mizutani M]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Cell Physiol]]></source>
<year>2009</year>
<volume>50</volume>
<page-range>1201-14</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Quantitative determination of gibberellins by high performance liquid chromatography from various gibberellins producing]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bhalla]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[S B]]></given-names>
</name>
<name>
<surname><![CDATA[Agarwal]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Fusarium strains nviron MonitAssess]]></source>
<year>2010</year>
<volume>167</volume>
<page-range>515-20</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Carabeo]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Michelena]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<source><![CDATA[Determinación cualitativa de giberelinas y auxinas por cromatografía de capa fina ICIDCA Sobre los Derivados de la Caña de Azúcar]]></source>
<year>2007</year>
<volume>XLI</volume>
<page-range>12-7</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Analysis of gibberellins as free acids by ultra performance liquid chromatography-tandem mass spectrometry]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Urbanová]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Tarkowská]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Novák]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Hedden]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Strnad]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Talanta]]></source>
<year>2013</year>
<volume>112</volume>
<page-range>85-94</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Abscisic acid, gibberellins and brassinosteroids in Kelpak, a commercial seaweed extract made from Ecklonia maxima]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stirk]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Tarkowská]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Turecová]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Strnad]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Van Staden]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[JAppl Phycol]]></source>
<year>2014</year>
<volume>26</volume>
<page-range>561-7</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Rapid and reproducible determination of active gibberellins in citrus tissues by UPLC/ ESI-MS/MS]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Manzi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Arbona]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Physiol Biochem]]></source>
<year>2015</year>
<volume>94</volume>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Rapid and sensitive hormonal profiling of complex plant samples by liquid chromatography coupled to electrospray ionization tandem mass spectrometry]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Müller]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Munné]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Methods]]></source>
<year>2011</year>
<volume>7</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Metabolism of tritiated and deeterated gibberellin A9 in Norway spruce (Picea abks) shoots during the period of cone-bud differentiation]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moritz]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Odén]]></surname>
<given-names><![CDATA[P. C]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol Plant]]></source>
<year>1990</year>
<volume>79</volume>
<page-range>242-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Detection and identification of gibberellins in Sitka spruce (Picea sitchensis) of different ages and coning ability by bioassay, radioimmunoassay and gas chromatography - mass spectrometry]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moritz]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Philipson]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Oden]]></surname>
<given-names><![CDATA[P. C]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol Plant]]></source>
<year>1989</year>
<volume>75</volume>
<page-range>325-32</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[An Analysis of the Gibberellic and Abscisic acid content of white ash seeds]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stinemetz]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Roberts]]></surname>
<given-names><![CDATA[B. R]]></given-names>
</name>
</person-group>
<source><![CDATA[J Arboric]]></source>
<year>1984</year>
<volume>10</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>283-5</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Gibberellin A3 levels in bark and flower buds of peach (Prunus pérsica L.) before leaf fall]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soriano]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Bottini]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[Agriscientia]]></source>
<year>1992</year>
<volume>IX</volume>
<page-range>3-8</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Reverse Phase High Pressure Liquid Chromatographic Separation of Permethylated Free and Glucosylated Gibberellins: a Method for the Analysis of Gibberellin Metabolites]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Schaller]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Jensen]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Physiol Plant]]></source>
<year>1994</year>
<volume>5</volume>
<page-range>111-5</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dynamic sonication-assisted solvent extraction of organophosphate esters in air samples]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ericsson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlsson]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Colmsjo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dyremark]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[J Chromatogr A]]></source>
<year>2002</year>
<volume>957</volume>
<page-range>227-34</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Determination of organophosphate esters in air samples by dynamic sonication-assisted solvent extraction coupled on-line with large-volume injection gas chromatography utilizing a programmed-temperature vaporizer]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ericsson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlsson]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Colmsjo]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[J Chromatogr A]]></source>
<year>2003</year>
<volume>993</volume>
<page-range>103-10</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Subcritical water and dynamic sonication-assisted solvent extraction of fluorescent whitening agents and azo dyes in paper samples]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Los Santos]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Batlle]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Salafranca]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nerín]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[J Chromatogr A]]></source>
<year>2005</year>
<volume>1064</volume>
<page-range>135-41</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dynamic ultrasound-assisted extraction of polyphenols in tobacco]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Cai]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Su]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
</person-group>
<source><![CDATA[J Sep Sci]]></source>
<year>2005</year>
<volume>28</volume>
<page-range>2477-81</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[High-Performance Thin-Layer Chromatography of Gibberellins in Fermentation Broths]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sackett]]></surname>
<given-names><![CDATA[P. H]]></given-names>
</name>
</person-group>
<source><![CDATA[Anal Chem ACS]]></source>
<year>1984</year>
<volume>56</volume>
<page-range>1600-3</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Cytokinins and gibberellins in sap exudate of the oil palm]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huntley]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[L. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Hanke]]></surname>
<given-names><![CDATA[D. E]]></given-names>
</name>
</person-group>
<source><![CDATA[Phytochemistry]]></source>
<year>2002</year>
<volume>60</volume>
<page-range>117-27</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Gibberellin producing Neosartorya sp. CC8 reprograms Chinese cabbage to higher growth]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hamayun]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[S. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmad]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Nawaz]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sher]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sci Hortic]]></source>
<year>2011</year>
<volume>129</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>347-52</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Gibberellin secreting rhizobacterium, Pseudomonas putida H-2-3 modulates the hormonal and stress physiology of soybean to improve the plant growth under saline and drought conditions]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kang]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Radhakrishnan]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Latif]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[B. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Physiol Biochem]]></source>
<year>2014</year>
<volume>84</volume>
<page-range>115- 124</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Hollow fiber-based liquid-liquidliquid micro-extraction with osmosis: II Application to quantification of endogenous gibberellins in rice plant]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Duan]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Shen]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Guan]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<source><![CDATA[J Chromatogr A]]></source>
<year>2012</year>
<volume>1265</volume>
<page-range>17-23</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Asturias]]></surname>
<given-names><![CDATA[M. Á]]></given-names>
</name>
</person-group>
<source><![CDATA[Maíz de alimento sagrado a negocio del hambre. Acción Ecológica]]></source>
<year>2004</year>
<page-range>9-20</page-range><publisher-loc><![CDATA[Quito ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<collab>FAO</collab>
<source><![CDATA[El estado mundial de la agricultura y la alimentación. Las politicas de recursos hidricos y la agricultura]]></source>
<year>1993</year>
<page-range>8-10</page-range><publisher-loc><![CDATA[Roma ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Optimización del protocolo para la extracción y la cuantificación de proteinas totales en semillas germinadas de maíz (Zea mays L.)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[Y. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Buriticá]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Penagos]]></surname>
<given-names><![CDATA[J. P]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[J. I]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Ciencias Basicas - UMNG]]></source>
<year>2017</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>60-4</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Implementación de una extracción dinámica con disolvente asistida por sonicación (DSASE) en matrices de hoja de Erythroxylum coca para el posterior análisis de cocaína por cromatografía de gases con detector de ionización de llama (CG-FID)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Á. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosero]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Taborda]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Garzón]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sci Chromatogr]]></source>
<year>2016</year>
<volume>8</volume>
<page-range>119-24</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Determination of Gibberellin A3 residue in fruit samples by liquid chromatography-tandem mass spectrometry]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Qian]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Ding]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Food Chem]]></source>
<year>2011</year>
<volume>127</volume>
<page-range>890-2</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Gibberellins - terpenoid plant hormones: Biological importance and chemical analysis]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Urbanová]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Tarkowská]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Strnad]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hedden]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Collect Czech Chem Commun]]></source>
<year>2011</year>
<volume>76</volume>
<page-range>1669-86</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robards]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Haddad]]></surname>
<given-names><![CDATA[P. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Jackson]]></surname>
<given-names><![CDATA[P. E]]></given-names>
</name>
</person-group>
<source><![CDATA[Principles and practice of modern chromatographic methods]]></source>
<year>1994</year>
<page-range>326-9</page-range><publisher-loc><![CDATA[San Diego ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The stability of enzymes after sonication]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Özbek]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ülgen]]></surname>
<given-names><![CDATA[K. O]]></given-names>
</name>
</person-group>
<source><![CDATA[Process Biochem]]></source>
<year>2000</year>
<volume>35</volume>
<page-range>1037-43</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ultrasonic intensification of chemical processing and related operations: A Review]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mason]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cordemans]]></surname>
<given-names><![CDATA[E. D]]></given-names>
</name>
</person-group>
<source><![CDATA[Chem Eng Res Des]]></source>
<year>1996</year>
<volume>74</volume>
<page-range>511-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
