<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802022000400469</article-id>
<article-id pub-id-type="doi">10.35196/rfm.2022.4.469</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Evaluation of lipids and their quality in olive oils]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de lípidos y su calidad en aceites de oliva]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ariza-Ortega]]></surname>
<given-names><![CDATA[José Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Reyes]]></surname>
<given-names><![CDATA[Joel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo Centro de Investigación Interdisciplinario ]]></institution>
<addr-line><![CDATA[San Agustín Tlaxiaca Hidalgo]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Centro de Investigación en Biotecnología Aplicada ]]></institution>
<addr-line><![CDATA[Tepetitla Tlaxcala]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>469</fpage>
<lpage>474</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802022000400469&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802022000400469&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802022000400469&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary In Mexico, olive oil (OO) production is small, and the consumer is unaware of its classification and quality; therefore, this study aimed to evaluate some simple lipids (SL), compound lipids (CL) and associated lipids (AL) in OO that are marketed in the state of Hidalgo, Mexico (HgoMx) using Fourier transform infrared spectroscopy (FTIR) to determine its quality. The OO samples were: a) a blend of refined OO and virgin OO (OO-Spain), b) extra virgin olive oil (EVOO-Spain), c) EVOO-Mx, d) mixed vegetable oil blend (MVOB-Mx) and e) EVOO-HgoMx. The wave number and functional group in the OOs were identified with FTIR (400-4000 cm-1). The aliphatic (AI), long-chain aliphatic (LCA), sulfoxide (SI), carbonyl (CI) and aromatic (ARI) indices were calculated by deconvolution of the absorbances of the FTIR bands of each of the OOs. The wavenumbers determined by FTIR of the OOs differed in composition of SL (723, 914, 1648, 1654, and 3006, and 2853-2923 and 2953 cm-1), CL (970-1070 cm-1) and AL (1092, 1116 and 1160 cm-1). Mixtures of OO with other VOB marketed as EVOO [AI (7.02-35.61) and LCA (0.0-115.40)] were detected and quantified, and they presented contaminants that are harmful to health [ARI (0.0-61.17)]. Only EVOO-HgoMx had the quality of an EVOO and a high content of SI (82.06), which are antioxidants. It is imperative to regulate oil production, classification, characterization, authenticity, and deterioration during the sale in Mexico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En México, la producción de aceite de oliva (AO) es pequeña, y el consumidor desconoce su clasificación y calidad; por lo tanto, el objetivo de este estudio fue evaluar algunos lípidos simples (LS), compuestos (LC) y asociados (LA), en AO que se comercializan en el estado de Hidalgo, México (HgoMx) por medio de espectroscopia infrarroja por transformada de Fourier (EITF) para determinar su calidad. Las muestras de AO fueron: a) mezcla de AO refinado y AO virgen (AO-España), b) aceite de oliva extra virgen (AOEV-España), c) AOEV-Mx, d) mezcla de aceite vegetal mixto (MAVM-Mx) y e) AOEV-HgoMx. La identificación del número de ondas y grupo funcional en los AO fue con EITF (400-4000 cm&#8722;1), y se calcularon los índices alifático (IA), alifático de cadena larga (IAL), sulfóxido (IS), carbonilo (IC) y aromáticos (IAR) mediante la deconvolución de las absorbancias de las bandas de EITF de cada uno de los AO. Los números de onda determinados por EITF de los AO tuvieron diferencia en la composición de LS (723, 914, 1648, 1654, y 3006, y 2853-2923 y 2953 cm-1), LC (970-1070 cm-1) y LA (1092, 1116 y 1160 cm-1). Se detectaron y cuantificaron mezclas de AO con otros AVM comercializados como AOEV [IA (7.02-35.61) e IAL (0.0-115.40)], y presentaron contaminantes que son nocivos para la salud [IAR (0.0-61.17)]. Sólo el AOEV-HgoMx tuvo la calidad de un AOEV y un alto contenido de IS (82.06), que son antioxidantes. En México es imperativo regular la producción, clasificación, caracterización y autenticidad de los aceites, así como su deterioro durante su venta.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Adulteration]]></kwd>
<kwd lng="en"><![CDATA[fatty acids]]></kwd>
<kwd lng="en"><![CDATA[lipids]]></kwd>
<kwd lng="en"><![CDATA[olive oil]]></kwd>
<kwd lng="en"><![CDATA[spectroscopy]]></kwd>
<kwd lng="es"><![CDATA[Aceite de oliva]]></kwd>
<kwd lng="es"><![CDATA[ácidos grasos]]></kwd>
<kwd lng="es"><![CDATA[adulteración]]></kwd>
<kwd lng="es"><![CDATA[espectroscopia]]></kwd>
<kwd lng="es"><![CDATA[lípidos]]></kwd>
</kwd-group>
</article-meta>
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