<?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>2730-5066</journal-id>
<journal-title><![CDATA[Agrociencia Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Agrocienc. Urug.]]></abbrev-journal-title>
<issn>2730-5066</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Agronomía - Instituto de Nacional de Investigación Agropecuaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2730-50662023000101316</article-id>
<article-id pub-id-type="doi">10.31285/agro.27.1181</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Physicochemical characterization of georeferenced propolis from 14 locations of Uruguay]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización fisicoquímica de propóleos georeferenciados de 14 localidades de Uruguay]]></article-title>
<article-title xml:lang="pt"><![CDATA[Caracterização físico-química da própolis georreferenciada de 14 localidades do Uruguai]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cracco]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galietta]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Agronomía CRS]]></institution>
<addr-line><![CDATA[Canelones ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Agronomía Departamento de Producción Animal y Pasturas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de la República Facultad de Agronomía Unidad de Tecnología de Alimentos]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>27</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S2730-50662023000101316&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S2730-50662023000101316&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S2730-50662023000101316&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Honey bee propolis is studied around the world. Its plant origin, associated with different soils and climates, determines different physicochemical properties. These different properties determine diverse medicinal potentials. Uruguay has few scientific papers that characterize the propolis it produces. This study analyzes propolis from 14 locations of Uruguay, obtained over a year. The vegetation environment of these localities was characterized in a radius of 2 km by satellite images. Color (CIELAB) was measured in ethanolic solution, as well as pH and conductivity in aqueous solution, ashes, total polyphenols (Folin-Ciocalteau) and total flavonoids. The similarities of the localities in terms of their vegetation do not correspond to the similarities between propolis; another method of plant characterization must be used. Differences were found between locations, but not between stations within the same location. The parameters L* and a* are correlated with the polyphenolic content of propolis (R2=0.61 and R2=0.81, respectively). Conductivity is correlated (R2=0.66) with ash content, but it would be necessary to determine what minerals are present to use this tool. The polyphenolic and flavonoid content allows regionalizing the country in southwest and northeast. Southwest with high contents (177 to 262 gGAE/kg and 66 to 131 gQE/kg) and northeast zones with lower contents (27 to 88 gGAE/kg and 10 to 27 gQE/kg). It is necessary to continue studying propolis from Uruguay, its mineral and polyphenol content and its profile in other locations for a longer time.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los propóleos de abejas melíferas se estudian en todo el mundo. Su origen vegetal, asociado a diferentes suelos y climas, determina diferentes propiedades fisicoquímicas. Estas distintas propiedades determinan diferentes potenciales medicinales. Uruguay cuenta con pocos trabajos científicos que caractericen los propóleos que produce. Este trabajo analiza propóleos de 14 localidades de Uruguay, obtenidos a lo largo de un año. El entorno de vegetación de estas localidades se caracterizó en un radio de 2 km por imágenes satelitales. Se midió color (CIELAB) en solución etanólica, y pH y conductividad en solución acuosa, cenizas, polifenoles totales (Folin-Ciocalteau) y flavonoides totales. Las similitudes de las localidades en cuanto a su vegetación no se corresponden con las similitudes entre propóleos, otro método de caracterización vegetal deberá ser empleado. Se encontraron diferencias entre localidades, no entre estaciones dentro de la misma localidad. Los parámetros L* y a* se correlacionan con el contenido polifenólico de propóleos (R2=0,61 y R2=0,81, respectivamente). La conductividad se correlaciona (R2=0,66) con el contenido de cenizas, pero se debería determinar qué minerales se encuentran presentes para poder utilizar esta herramienta. El contenido polifenólico y de flavonoides permite regionalizar el país en las zonas sur, suroeste y oeste, de contenidos altos (177 a 262 g EAG/kg y 66 a 131 g EQ/kg), y las zonas norte y este de contenido menor (27 a 88 g EAG/kg y 10 a 27 gEQ/kg). Se debe continuar estudiando propóleos de Uruguay, en su contenido mineral, contenido de polifenoles y perfil de estos en otras localidades durante más tiempo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: A própolis de abelha é estudada em todo o mundo. Sua origem vegetal, associada a diferentes solos e climas, determina diferentes propriedades físico-químicas. Essas diferentes propriedades determinam diferentes potenciais medicinais. O Uruguai tem poucos trabalhos científicos que caracterizam a própolis que produz. Este trabalho analisa a própolis de 14 localidades do Uruguai, obtida ao longo de um ano. O ambiente vegetacional dessas localidades foi caracterizado em um raio de 2 km por imagens de satélite. Cor (CIELAB) em solução etanólica e pH e condutividade em solução aquosa, cinzas, polifenóis totais (Folin-Ciocalteau) e flavonoides totais foram medidos. As semelhanças das localidades quanto à sua vegetação não correspondem às semelhanças entre as própolis, devendo ser utilizado outro método de caracterização vegetal. As diferenças foram encontradas entre locais, não entre estações dentro do mesmo local. Os parâmetros L* e a* estão correlacionados com o teor de polifenóis da própolis (R2=0,61 e R2=0,81 respectivamente). A condutividade se correlaciona (R2=0,66) com o teor de cinzas, más seria necessário determinar quais minerais estão presentes para usar esta ferramenta. O teor de polifenólicos e flavonóides permite regionalizar o país nas zonas sul, sudoeste e oeste, com teores elevados (177 a 262 gEAG/kg e 66 a 131 gEQ/kg) e nas zonas norte e leste com teores mais baixos (27 a 88 gEAG/kg), gEAG/kg e 10 a 27 gEQ/kg). É necessário continuar estudando a própolis do Uruguai, em seu conteúdo mineral, teor de polifenóis e seu perfil em outras localidades por mais tempo.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[propolis]]></kwd>
<kwd lng="en"><![CDATA[color]]></kwd>
<kwd lng="en"><![CDATA[ash]]></kwd>
<kwd lng="en"><![CDATA[total polyphenols]]></kwd>
<kwd lng="es"><![CDATA[propóleos Uruguay]]></kwd>
<kwd lng="es"><![CDATA[color]]></kwd>
<kwd lng="es"><![CDATA[cenizas]]></kwd>
<kwd lng="es"><![CDATA[polifenoles totales]]></kwd>
<kwd lng="pt"><![CDATA[própolis]]></kwd>
<kwd lng="pt"><![CDATA[cor]]></kwd>
<kwd lng="pt"><![CDATA[cinzas]]></kwd>
<kwd lng="pt"><![CDATA[polifenóis totais]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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