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<p>Chemical profiling of secondary metabolites in polar extracts of <i>Dipteryx odorata</i> seeds was carried out using capillary electrophoresis (CE) protocols. <i>D. odorata</i> seeds are widely used in gourmet cuisine, highlighting the need for rapid and reliable analytical methods to assess their chemical profile and quantify bioactive compounds for the quality control of both raw seeds and commercial extracts<i>.</i> In this study, polar extracts obtained from commercial <i>Dipteryx odorata</i> seed samples were analyzed using optimized CE-based protocols. Direct UV detection was applied for the determination of phenolic compounds (including coumarins, flavonoids, and phenolic acids) and alkaloids, whereas indirect UV detection was used to quantify fatty acids and carboxylic acids. Among the phenolic compounds, <i>o</i>-coumaric acid (0.02% w/w) was identified and quantified. The major fatty acids identified were oleic (C18:1), linoleic (C18:2), palmitic (C16:0), and stearic (C18:0) acids, with concentrations of 21.69%, 8.43%, 2.73%, and 6.27% (w/w), respectively. Carboxylic acid analysis revealed levels of 0.16%, 0.41%, and 0.22% (w/w) for aspartic, malic, and glutamic acids, respectively. To the best of our knowledge, this is the first report on the use of CE to perform chemical profiling of <i>D. odorata</i> seeds. CE-based protocols demonstrated high specificity and selectivity, allowing the direct injection of crude extracts without the need for pretreatment and contributing to a fast, low-solvent method for quality control of <i>D. odorata</i> seeds.</p> Graphical Abstract <p></p>

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Chemical profiling and characterization of polar extracts from Dipteryx odorata seeds using capillary electrophoresis-based protocols

  • 期刊论文

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  • 发表日期：

    2026年6月19日

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  • Thais Codogno Franco,
  • Maria Lourdes Leite Moraes

摘要

Chemical profiling of secondary metabolites in polar extracts of Dipteryx odorata seeds was carried out using capillary electrophoresis (CE) protocols. D. odorata seeds are widely used in gourmet cuisine, highlighting the need for rapid and reliable analytical methods to assess their chemical profile and quantify bioactive compounds for the quality control of both raw seeds and commercial extracts. In this study, polar extracts obtained from commercial Dipteryx odorata seed samples were analyzed using optimized CE-based protocols. Direct UV detection was applied for the determination of phenolic compounds (including coumarins, flavonoids, and phenolic acids) and alkaloids, whereas indirect UV detection was used to quantify fatty acids and carboxylic acids. Among the phenolic compounds, o-coumaric acid (0.02% w/w) was identified and quantified. The major fatty acids identified were oleic (C18:1), linoleic (C18:2), palmitic (C16:0), and stearic (C18:0) acids, with concentrations of 21.69%, 8.43%, 2.73%, and 6.27% (w/w), respectively. Carboxylic acid analysis revealed levels of 0.16%, 0.41%, and 0.22% (w/w) for aspartic, malic, and glutamic acids, respectively. To the best of our knowledge, this is the first report on the use of CE to perform chemical profiling of D. odorata seeds. CE-based protocols demonstrated high specificity and selectivity, allowing the direct injection of crude extracts without the need for pretreatment and contributing to a fast, low-solvent method for quality control of D. odorata seeds.

Graphical Abstract