<?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>1665-1456</journal-id>
<journal-title><![CDATA[Biotecnia]]></journal-title>
<abbrev-journal-title><![CDATA[Biotecnia]]></abbrev-journal-title>
<issn>1665-1456</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-14562025000100165</article-id>
<article-id pub-id-type="doi">10.18633/biotecnia.v27.2691</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Physicochemical Characterization of the Essential Oil of Guaviduca (Piper carpunya Ruiz &amp; Pav)]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización fisicoquímica del aceite esencial de Guaviduca (Piper Carpunya Ruiz &amp; Pav)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez-Estrella]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eras-Ortega]]></surname>
<given-names><![CDATA[Lilian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Estatal Amazónica Escuela de Agroindustias Facultad de Ciencias de la Tierra]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>27</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-14562025000100165&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-14562025000100165&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-14562025000100165&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Resumen Piper carpunya, conocida comúnmente como guaviduca, es un arbusto aromático perenne que forma parte del patrimonio botánico y cultural de las regiones tropicales de América del Sur, donde ha sido ampliamente utilizada en la medicina ancestral. El presente estudio tuvo como objetivo realizar una caracterización fisicoquímica integral del aceite esencial extraído de esta especie. La investigación se llevó a cabo en los laboratorios de Química y Bromatología de la Universidad Estatal Amazónica, utilizando hojas frescas recolectadas en zonas subtropicales del Ecuador. El aceite fue obtenido mediante destilación por arrastre de vapor y su composición química fue determinada mediante cromatografía de gases (GC), identificándose una mezcla compleja de monoterpenos y derivados oxigenados, entre los que destacaron el 1,8-cineol (12.5 %) y el acetato de sabineno hidratado cis (14.1 %), ambos con propiedades antimicrobianas, antiinflamatorias y antioxidantes. El perfil químico equilibrado y la alta estabilidad oxidativa del aceite lo hacen adecuado para aplicaciones terapéuticas, cosméticas y farmacéuticas. Los resultados obtenidos confirman su potencial como ingrediente funcional en diversas industrias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Piper carpunya, commonly known as guaviduca, is a perennial aromatic shrub that forms part of the botanical and cultural heritage of tropical regions in South America, where it has been widely used in traditional medicine. This study aimed to conduct a comprehensive physicochemical characterization of the essential oil extracted from this species. The research was carried out at the Chemistry and Bromatology Laboratories of the Amazonian State University, using fresh leaves collected from subtropical regions of Ecuador. The essential oil wx|as obtained through steam distillation, and its chemical composition was determined by gas chromatography (GC), revealing a complex mixture of monoterpenes and oxygenated derivatives. Among these, 1,8-cineole (12.5 %) and cis-sabinene hydrate acetate (14.1 %) were the most prominent, both known for their antimicrobial, anti-inflammatory, and antioxidant properties. The oil&#8217;s balanced chemical profile and high oxidative stability make it suitable for therapeutic, cosmetic, and pharmaceutical applications. The results confirm its potential as a functional ingredient in various industries.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Oxidative stability]]></kwd>
<kwd lng="en"><![CDATA[Steam distillation]]></kwd>
<kwd lng="en"><![CDATA[Volatile metabolites]]></kwd>
<kwd lng="es"><![CDATA[Estabilidad oxidativa]]></kwd>
<kwd lng="es"><![CDATA[Destilación por arrastre de vapor]]></kwd>
<kwd lng="es"><![CDATA[Metabolitos volátiles]]></kwd>
</kwd-group>
</article-meta>
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