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Chromatographic fractionation of a MeOH\u2010CH\n                    <jats:sub>2<\/jats:sub>\n                    Cl\n                    <jats:sub>2<\/jats:sub>\n                    (1:1) extract of\n                    <jats:italic>P. linaria<\/jats:italic>\n                    afforded two undescribed long\u2010chain cyclopropyl alcohol waxes, identified as\n                    <jats:italic>cis<\/jats:italic>\n                    \u20108,9\u2010methylenuntriacontan\u20105\u2010ol and\n                    <jats:italic>cis<\/jats:italic>\n                    \u20107,8\u2010methylenuntriacontan\u20105\u2010ol, whose structures were established by extensive spectroscopic analysis (1D and 2D NMR, HRESIMS) and chemical derivatization. Volatile constituents of both species were characterized, revealing interspecific differences.\n                    <jats:italic>P. linaria<\/jats:italic>\n                    essential oil was dominated by \u03b2\u2010myrcene,\n                    <jats:italic>d<\/jats:italic>\n                    \u2010limonene, nonanal, decanal, and (\n                    <jats:italic>E<\/jats:italic>\n                    )\u20102\u2010dodecenal, whereas\n                    <jats:italic>P. macrocephalum<\/jats:italic>\n                    showed a limonene\u2010rich profile with lower aldehyde content. LC\u2010ESI\u2010MS analysis of infusion extracts demonstrated distinct flavonoid patterns, with avicularin as the major marker of\n                    <jats:italic>P. linaria<\/jats:italic>\n                    and quercetin derivatives predominant in\n                    <jats:italic>P. macrocephalum<\/jats:italic>\n                    . Two validated UHPLC\u2010MS methods were developed for the quantification of avicularin and quercetin in the respective species. Aqueous extracts exhibited antihyperglycemic and radical\u2010scavenging activities. Nutrient analysis revealed their high fiber and mineral content. This study expands the chemical diversity of the genus\n                    <jats:italic>Porophyllum<\/jats:italic>\n                    , reports new cyclopropane\u2010derived wax constituents, and provides analytical markers to support species differentiation and quality control. Chemical diversity of plant wax constituents contributes novel structural motifs to the genus\n                    <jats:italic>Porophyllum<\/jats:italic>\n                    .\n                  <\/jats:p>","DOI":"10.1002\/cbdv.71245","type":"journal-article","created":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T11:18:18Z","timestamp":1777547898000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Phytochemical and Nutritional Characterization of\n                    <i>Porophyllum linaria<\/i>\n                    : Novel Cyclopropane\u2010Containing Waxes and Comparative Analysis With\n                    <i>P. macrocephalum<\/i>"],"prefix":"10.1002","volume":"23","author":[{"given":"Sebasti\u00e1n","family":"Mart\u00ednez\u2010Flores","sequence":"first","affiliation":[{"name":"Departamento de Farmacia Facultad de Qu\u00edmica Universidad Nacional Aut\u00f3noma de M\u00e9xico Ciudad de M\u00e9xico 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M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martha","family":"Mac\u00edas\u2010Rubalcava","sequence":"additional","affiliation":[{"name":"Instituto de Qu\u00edmica, Universidad Nacional Aut\u00f3noma de M\u00e9xico Ciudad de M\u00e9xico M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Bye","sequence":"additional","affiliation":[{"name":"Jard\u00edn Bot\u00e1nico Instituto de Biolog\u00eda Universidad Nacional Aut\u00f3noma de M\u00e9xico Ciudad de M\u00e9xico M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edelmira","family":"Linares","sequence":"additional","affiliation":[{"name":"Jard\u00edn Bot\u00e1nico Instituto de Biolog\u00eda Universidad Nacional Aut\u00f3noma de M\u00e9xico Ciudad de M\u00e9xico M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Omar 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