<?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>0122-8706</journal-id>
<journal-title><![CDATA[Ciencia y Tecnología Agropecuaria]]></journal-title>
<abbrev-journal-title><![CDATA[Corpoica cienc. tecnol. agropecu.]]></abbrev-journal-title>
<issn>0122-8706</issn>
<publisher>
<publisher-name><![CDATA[Corporación Colombiana de Investigación Agropecuaria - Corpoica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-87062018000200383</article-id>
<article-id pub-id-type="doi">10.21930/rcta.vol19_num2_art:694</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Parámetros fisicoquímicos del aguacate Persea americana Mill. cv. Hass (Lauraceae) producido en Antioquia (Colombia) para exportación]]></article-title>
<article-title xml:lang="en"><![CDATA[Physicochemical parameters of avocado Persea americana Mill. cv. Hass (Lauraceae) grown in Antioquia (Colombia) for export]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Astudillo-Ordóñez]]></surname>
<given-names><![CDATA[Camilo Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Ingeniería y Administración ]]></institution>
<addr-line><![CDATA[Palmira ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Corporación Colombiana de Investigación Agropecuaria (Corpoica)  ]]></institution>
<addr-line><![CDATA[Rionegro ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<volume>19</volume>
<numero>2</numero>
<fpage>383</fpage>
<lpage>392</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-87062018000200383&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-87062018000200383&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-87062018000200383&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El aguacate Hass se transporta conservando la cadena de frío, y se madura de forma controlada en el mercado de destino. La calidad del fruto depende de factores precosecha, el momento de cosecha y los tratamientos poscosecha. En Colombia, a pesar del auge de la producción y exportación de frutos, no se tiene suficiente información sobre parámetros de calidad. Teniendo en cuenta lo anterior, el objetivo de este trabajo fue determinar algunos parámetros fisicoquímicos de interés en la calidad de fruto. Con ese fin, se cosecharon aguacates en tres momentos de madurez de cosecha, en fincas exportadoras en Antioquia, y luego se almacenaron y maduraron. Se simularon la temperatura y la humedad relativa de la cadena de exportación, así como la duración del envío al mercado europeo. La materia seca se consideró el indicador de cosecha, y se realizaron análisis de sólidos solubles, pH y acidez titulable como parámetros de calidad. El origen de los frutos, el momento de cosecha y el tiempo de almacenamiento ejercie ron un efecto significativo (p &#8804; 0,05) en los parámetros fisicoquímicos del aguacate. Los grados Brix (5,07 a 7,26) y el pH (6,58 a 7,14) se incrementaron con el tiempo de almacenamiento hasta la semana cuatro, y después disminuyeron. En cambio, la acidez bajó (19,47 % a 9,24 %) en el transcurso del almacenamiento. Estos parámetros pueden ser indicadores de calidad, pero se requieren más estudios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Hass avocado is transported maintaining an unbroken cold chain and in the destination market, it is ripened under controlled conditions. Fruit quality depends on preharvest, factors, harvest time and postharvest treatments. Colombia has poor information on quality parameters despite the current growing and fruit export boom. Therefore, the aim of this study was to determine some important fruit quality parameters. For that, Hass avocado fruits were harvested considering three maturity indexes form exporting orchards in Antioquia, where fruits were stored and ripened. Temperature, relative humidity and shipment times to the European market were simulated. Dry matter content was used as harvest index. Soluble solids, pH, and titratable acidity were analyzed as quality parameters. Fruit origin, harvest index and storage time had a significant effect on quality parameters of avocado (p &#8804; 0.05). There was an increase in Brix degrees (5.07 to 7.26) and pH (6.58 to 7.14) throughout the storage time until the fourth week, where these decreased. In contrast, acidity dropped (19.47 to 9.24 %) with storage time. These quality parameters can be considered quality indicators; however, more studies are required.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[acidez titulable]]></kwd>
<kwd lng="es"><![CDATA[aguacate]]></kwd>
<kwd lng="es"><![CDATA[calidad de la fruta]]></kwd>
<kwd lng="es"><![CDATA[grados Brix]]></kwd>
<kwd lng="es"><![CDATA[madurez]]></kwd>
<kwd lng="es"><![CDATA[pH]]></kwd>
<kwd lng="en"><![CDATA[avocado]]></kwd>
<kwd lng="en"><![CDATA[°Brix]]></kwd>
<kwd lng="en"><![CDATA[fruit quality]]></kwd>
<kwd lng="en"><![CDATA[pH]]></kwd>
<kwd lng="en"><![CDATA[ripening]]></kwd>
<kwd lng="en"><![CDATA[titratable acidity]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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<given-names><![CDATA[M. L]]></given-names>
</name>
</person-group>
<source><![CDATA[The international avocado quality manual]]></source>
<year>2009</year>
<publisher-loc><![CDATA[Auckland, Nueva Zelanda ]]></publisher-loc>
<publisher-name><![CDATA[Institute for Plant and Food Research]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
