<?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>0370-3908</journal-id>
<journal-title><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. acad. colomb. cienc. exact. fis. nat.]]></abbrev-journal-title>
<issn>0370-3908</issn>
<publisher>
<publisher-name><![CDATA[Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0370-39082022000401002</article-id>
<article-id pub-id-type="doi">10.18257/raccefyn.1736</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Chemical composition and antimicrobial activity of essential oil from Piper marginatum leaves obtained by hydrodistillation in pH4, pH7 and pH10]]></article-title>
<article-title xml:lang="es"><![CDATA[Composición química y actividad antimicrobiana del aceite esencial de hojas de Piper marginatum obtenido por hidrodestilación con pH4, pH7 y pH10]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[Elayne Cristina de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fontes Silva]]></surname>
<given-names><![CDATA[Marcilio Fagner]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Souza Ramos]]></surname>
<given-names><![CDATA[Clécio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Rural Federal University of Pernambuco Department of Chemistry ]]></institution>
<addr-line><![CDATA[Recife Pe]]></addr-line>
<country>Brazil</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>46</volume>
<numero>181</numero>
<fpage>1002</fpage>
<lpage>1009</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0370-39082022000401002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0370-39082022000401002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0370-39082022000401002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The present study aimed to evaluate possible variations in the chemical composition and antimicrobial activity of essential oils extracted from Piper marginatum leaves obtained by hydrodistillation at pH4, pH7, and pH10. When compared, the chemical profiles of the three oils were different. A reduction of major phenylpropanoids Z-asarone, dillapiole, and E-asarone was observed for samples pH4-EO and pH10-EO as compared to sample pH7-EO. Sesquiterpenes macrocarpene (10.8%), viridiflorene (9.1%), caryophyllene (7.7%), and E-nerolidol (6.5%) were the major compounds identified in the pH10-EO sample. Compound &#945;-santonin (36.1%) was identified as a major constituent of the essential oil obtained at pH4. The antimicrobial activity of the essential oils also showed variations in their minimum inhibitory concentration values (MIC). The oil obtained at pH4 exhibited strong activity with an MIC of 78.1 µg/ml for both Escherichia coli and Candida utilis microorganisms. We evidenced the influence of water pH on the chemical composition of essential oils obtained by hydrodistillation, as well as its importance as a parameter in studies using the hydrodistillation method.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente estudio tuvo como objetivo evaluar posibles variaciones en la composición química y la actividad antimicrobiana de los aceites esenciales de hojas de Piper marginatum obtenidos por hidrodestilación con pH4, pH7 y pH10. La comparación indicó que los perfiles químicos de los tres aceites eran diferentes. Se observó una reducción de los principales fenilpropanoides, Z-Asarona, dilapiol y E-asarona, en las muestras pH4-EO y pH10-EO comparadas con la muestra pH7-EO. Los sesquiterpenos macrocarpeno (10,8 %), viridiflorene (9,1 %), cariofileno (7,7 %) y E-nerolidol (6,5 %) fueron los principales compuestos detectados en la muestra pH10-EO. El compuesto &#945; -santonina (36,1 %) fue el componente principal del aceite esencial obtenido con pH 4. La actividad antimicrobiana de los aceites esenciales también mostró variaciones en los valores de la concentración mínima inhibitoria (CMI). El aceite obtenido con pH4 exhibió una fuerte actividad, con una CMI de 78,1 µg/ml tanto para Escherichia coli como para Candida utilis. El estudio mostró la influencia del pH del agua en la composición química de los aceites esenciales obtenidos por hidrodestilación y la importancia del pH del agua como un parámetro que debe especificarse en los estudios que utilizan el método de hidrodestilación.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Escherichia coli]]></kwd>
<kwd lng="en"><![CDATA[Phenylpropanoid, Piperaceae]]></kwd>
<kwd lng="en"><![CDATA[Hydrodistillation]]></kwd>
<kwd lng="es"><![CDATA[Escherichia coli]]></kwd>
<kwd lng="es"><![CDATA[Fenilpropanoide]]></kwd>
<kwd lng="es"><![CDATA[Piperaceae]]></kwd>
<kwd lng="es"><![CDATA[Hidrodestilación]]></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[Adams]]></surname>
<given-names><![CDATA[R.P]]></given-names>
</name>
</person-group>
<source><![CDATA[Identification of essential oil components by gas chromatography/ quadrupole mass spectroscopy]]></source>
<year>2007</year>
<page-range>468</page-range><publisher-loc><![CDATA[Illinois ]]></publisher-loc>
<publisher-name><![CDATA[Allured Publishing Corporation. Carol Stream]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Afshar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Najafian]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Radi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of harvest time on the natural product of Rosmarinus officinalis L. from South Iran (Fars province)]]></article-title>
<source><![CDATA[Natural Product Research]]></source>
<year>2021</year>
<numero>11</numero>
<issue>11</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[E.H.A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Variability in essential-oil composition of Piper marginatum sensu lato]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Carreira]]></surname>
<given-names><![CDATA[L.M.M]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[M.H.L]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[J.D]]></given-names>
</name>
<name>
<surname><![CDATA[Bastos]]></surname>
<given-names><![CDATA[C.N]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[P.J.C]]></given-names>
</name>
<name>
<surname><![CDATA[Maia]]></surname>
<given-names><![CDATA[J.G.S]]></given-names>
</name>
</person-group>
<source><![CDATA[Chemistry &amp; Biodiversity]]></source>
<year>2008</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>197-208</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Autran]]></surname>
<given-names><![CDATA[E.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[I.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Da Silva]]></surname>
<given-names><![CDATA[C.S.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[G.K.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Da Cámara]]></surname>
<given-names><![CDATA[C.A.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Navarro]]></surname>
<given-names><![CDATA[D.M.A.F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical composition, oviposition deterrent and larvicidal activities against Aedes aegypti of essential oils from Piper marginatum Jacq. (Piperaceae)]]></article-title>
<source><![CDATA[Bioresource Technology]]></source>
<year>2009</year>
<volume>100</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>2284-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ayres]]></surname>
<given-names><![CDATA[V.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Baldin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[G.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Guimaraes]]></surname>
<given-names><![CDATA[A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Takeara]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical composition and insecticidal activity of the essential oils of Piper marginatum, Piper callosum and Vitex agnus-castus]]></article-title>
<source><![CDATA[Anal. da Academia Brasileira de Ciencias]]></source>
<year>2020</year>
<volume>93</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brú]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Guzman]]></surname>
<given-names><![CDATA[J.D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Folk medicine, phytochemistry and pharmacological application of Piper marginatum]]></article-title>
<source><![CDATA[Revista Brasileira de Farmacognosia]]></source>
<year>2016</year>
<numero>26</numero>
<issue>26</issue>
<page-range>767-79</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chaves]]></surname>
<given-names><![CDATA[C.M.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[B.V.O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Constituents from Piper marginatum fruits]]></article-title>
<source><![CDATA[Fitoterapia]]></source>
<year>2002</year>
<volume>73</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>547-9</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Kraker]]></surname>
<given-names><![CDATA[J.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Franssen]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Dalm]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[de Groot]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bouwmeester]]></surname>
<given-names><![CDATA[H.J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Biosynthesis of germacrene A carboxylic acid in chicory roots. Demonstration of a cytochrome P450 (+)-germacrene a hydroxylase and NADP+-dependent sesquiterpenoid dehydrogenase (s) involved in sesquiterpene lactone biosynthesis]]></article-title>
<source><![CDATA[Plant Physiology]]></source>
<year>2001</year>
<volume>125</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1930-40</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[dos Santos]]></surname>
<given-names><![CDATA[A.L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Araújo]]></surname>
<given-names><![CDATA[F.A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva Matisui]]></surname>
<given-names><![CDATA[É.]]></given-names>
</name>
<name>
<surname><![CDATA[da Costa]]></surname>
<given-names><![CDATA[L.A.M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Macedo]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[de Lucena]]></surname>
<given-names><![CDATA[J.M.V.M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antimicrobial and antibiofilm properties of essential oils from Piper marginatum Jacq]]></article-title>
<source><![CDATA[Research, Society and Development]]></source>
<year>2021</year>
<volume>10</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>e514101119967</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[El Asbahani]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Miladi]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Badri]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Sala]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Addi]]></surname>
<given-names><![CDATA[E.H.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Casabianca]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[El Mousadik]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hartmaan]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Jilale]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Renaud]]></surname>
<given-names><![CDATA[R.N.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Elaissari]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Essential oils: From extraction to encapsulation]]></article-title>
<source><![CDATA[International Journal of Pharmaceutics]]></source>
<year>2015</year>
<volume>483</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>220-43</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elyemni]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Louaste]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Nechad]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Elkamli]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Bouia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Taleb]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Chaouch]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Eloutassi]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extraction of essential oils of Rosmarinus officinalis L. by two different methods: Hydrodistillation and microwave assisted hydrodistillation]]></article-title>
<source><![CDATA[The Scientific World Journal]]></source>
<year>2019</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holanda]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Bezerra]]></surname>
<given-names><![CDATA[G. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[C.S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Potent antifungal activity of essential oil from Morinda Citrifolia fruits rich in short-chain fatty acids]]></article-title>
<source><![CDATA[International Journal of Fruit Science]]></source>
<year>2020</year>
<volume>20</volume>
<numero>^ssup2</numero>
<issue>^ssup2</issue>
<supplement>sup2</supplement>
<page-range>S448-54</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[F.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[R.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[L.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[S.C.F.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Azevedo]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Facundo]]></surname>
<given-names><![CDATA[V.M.A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Antioxidant activity and characterization of the essential oil from the roots of Piper marginatum Jacq]]></article-title>
<source><![CDATA[Ciencia e Natura]]></source>
<year>2016</year>
<volume>38</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1504-11</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lima]]></surname>
<given-names><![CDATA[T.A.A.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[L.P.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva Ribeiro]]></surname>
<given-names><![CDATA[J.E.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[M.O.M.]]></given-names>
</name>
<name>
<surname><![CDATA[da Paz Lima]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of volatile constituents, exudation of resin and occurrence of galls of Protium aracouchini (Aubl.) Marchand]]></article-title>
<source><![CDATA[Acta Brasiliensis]]></source>
<year>2021</year>
<volume>5</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>88-91</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Macédo]]></surname>
<given-names><![CDATA[C.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[M.Y.N.]]></given-names>
</name>
<name>
<surname><![CDATA[Caldeira]]></surname>
<given-names><![CDATA[A.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro.]]></surname>
<given-names><![CDATA[S.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pacienza-Lima]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Borsodi]]></surname>
<given-names><![CDATA[M.P.G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Leishmanicidal activity of Piper marginatum Jacq. From Santarém-PA against Leishmania amazonensis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[K.C.F]]></given-names>
</name>
</person-group>
<source><![CDATA[Experimental Parasitology]]></source>
<year>2020</year>
<numero>210</numero>
<issue>210</issue>
<page-range>107847</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moraes]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[T.M.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[R.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[C.S.]]></given-names>
</name>
<name>
<surname><![CDATA[da Cámara]]></surname>
<given-names><![CDATA[C.A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Circadian variation of essential oil from Piper marginatum Jacq]]></article-title>
<source><![CDATA[Boletín Latinoamericano y del Caribe de Plantas Medicinales y Aromaticas]]></source>
<year>2014</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>270-7</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Paolini]]></surname>
<given-names><![CDATA[J. Barboni]]></given-names>
</name>
<name>
<surname><![CDATA[T. Desjobert]]></surname>
<given-names><![CDATA[J. M. Djabou]]></given-names>
</name>
<name>
<surname><![CDATA[N. Muselli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical composition, intraspecies variation and seasonal variation in essential oils of Calendula arvensis L]]></article-title>
<source><![CDATA[Biochemical Systematics Ecology]]></source>
<year>2010</year>
<volume>38</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>865-74</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[C.S.]]></given-names>
</name>
<name>
<surname><![CDATA[da Silva]]></surname>
<given-names><![CDATA[R.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[M.F.F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isomerization of (Z)-asarone to (E)-asarone from Piper marginatum leaves by the Quadrus u-lucida larvae]]></article-title>
<source><![CDATA[Phytochemical Letters]]></source>
<year>2022</year>
<month>a</month>
<numero>47</numero>
<issue>47</issue>
<page-range>164-7</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[C.S.]]></given-names>
</name>
<name>
<surname><![CDATA[dos Santos]]></surname>
<given-names><![CDATA[D.N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[L.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Claudino]]></surname>
<given-names><![CDATA[J.P.A.D.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[M.F.F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of hydrodistillation to obtain and fractionate essential oils simultaneously]]></article-title>
<source><![CDATA[Brazilian Journal of Analytical Chemistry]]></source>
<year>2022</year>
<month>b</month>
<numero>17</numero>
<issue>17</issue>
<page-range>2179-3425</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[C.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Bezerra]]></surname>
<given-names><![CDATA[G.B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfil químico biomonitorado das folhas de Piper marginatum durante a ontogenia]]></article-title>
<source><![CDATA[Revista Virtual de Química]]></source>
<year>2021</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Reigada]]></surname>
<given-names><![CDATA[J.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Tcacenco]]></surname>
<given-names><![CDATA[C.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[L.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kato]]></surname>
<given-names><![CDATA[M.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Porto]]></surname>
<given-names><![CDATA[A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lago]]></surname>
<given-names><![CDATA[J.H.G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical constituents from Piper marginatum Jacq. (Piperaceae) antifungal activities and kinetic resolution of (R,S)-marginatumol by Candida antarctica lipase (Novozym 435)]]></article-title>
<source><![CDATA[Tetrahedron Asymmetry]]></source>
<year>2007</year>
<volume>18</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1054-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Melo-Guerrero]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Jurado]]></surname>
<given-names><![CDATA[D.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Hurtado-Benavides]]></surname>
<given-names><![CDATA[A.M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of the composition and antioxidant activity of the chamomile essential oil (Matricaria chamomilla L.) obtained by supercritical fluids extraction and other green techniques]]></article-title>
<source><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales]]></source>
<year>2020</year>
<volume>44</volume>
<numero>172</numero>
<issue>172</issue>
<page-range>845-56</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[A.M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Herbivory causes chemical and biological changes on essential oil from Piper marginatum leaves]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[J.V]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[C.S]]></given-names>
</name>
</person-group>
<source><![CDATA[The Natural Product Journal]]></source>
<year>2016</year>
<volume>6</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>313-7</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turek]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Stintzing]]></surname>
<given-names><![CDATA[F.C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stability of essential oils: a review]]></article-title>
<source><![CDATA[Comprehensive Reviews in Food Science and Food Safety]]></source>
<year>2013</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>40-53</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vafadar]]></surname>
<given-names><![CDATA[S.Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Rahimmalek]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sabzalian]]></surname>
<given-names><![CDATA[M.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hosseini]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Essential oil and bioactive compounds variation in myrtle (Myrtus communis L.) as affected by seasonal variation and salt stress]]></article-title>
<source><![CDATA[Chemistry and Biodiversity]]></source>
<year>2017</year>
<volume>14</volume>
<numero>4</numero>
<issue>4</issue>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Den Dool]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kratz]]></surname>
<given-names><![CDATA[P.D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Generalization of the Retention Index System Including Linear Temperature Programmed Gas-Liquid Partition Chromatography]]></article-title>
<source><![CDATA[Journal of Chromatographic A]]></source>
<year>1963</year>
<numero>11</numero>
<issue>11</issue>
<page-range>463-71</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vogler]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical constituents of the essential oils of three Piper species from Monteverde, Costa Rica]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Noletto]]></surname>
<given-names><![CDATA[J.A]]></given-names>
</name>
<name>
<surname><![CDATA[Haber]]></surname>
<given-names><![CDATA[W.A]]></given-names>
</name>
<name>
<surname><![CDATA[Setzer]]></surname>
<given-names><![CDATA[W.N]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Essential Oil Bearing Plants]]></source>
<year>2006</year>
<volume>9</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>230-8</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Dickschat]]></surname>
<given-names><![CDATA[J.S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Germacrene A-A central intermediate in sesquiterpene biosynthesis]]></article-title>
<source><![CDATA[Chemistry-A European Journal]]></source>
<year>2020</year>
<volume>26</volume>
<numero>72</numero>
<issue>72</issue>
<page-range>17318-41</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Su]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhai]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sheng]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Structure-activity relationship and synthetic methodologies of a-santonin derivatives with diverse bioactivities: A mini-review]]></article-title>
<source><![CDATA[European Journal of Medicinal Chemistry]]></source>
<year>2019</year>
<numero>175</numero>
<issue>175</issue>
<page-range>215-33</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
