Gas chromatographic-mass spectrometry-based chemotaxonomic profiling of Senna, Cassia, and Albizia species of the Fabaceae family

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dc.contributor.authorSagaya, A.
dc.contributor.authorLawal, A.L.
dc.contributor.authorAdeniran, S.A.
dc.contributor.authorOkewande, S.A.
dc.contributor.authorAbdulRahaman, A.A.
dc.date.accessioned2026-04-24T08:57:44Z
dc.date.available2026-04-24T08:57:44Z
dc.date.issued2026
dc.description.abstractSenna, Cassia and Albizia are diverse genera within the Fabaceae family, characterised by complex taxonomy of morphological plasticity and hybridisation. This study employed Gas Chromatography-Mass Spectrometry (GC-MS) to profile the diethyl ether leaf extracts of nine species: Senna alata, C. fistula, S. podocarpa, S. obtusifolia, S. occidentalis, S. siamea, Albizia lebbeck, A. adianthifolia, and A. zygia. A total of 117 phytocompounds were identified across all the species studied, with 28 to 40 identified per species. Alcohols (34.19%) and carboxylic acids (17.95%) were the most prominent compounds. Four compounds: -3,7,11,15-Tetramethyl-2-hexadecen-1-ol, Phytol, 9-Octadecenamide, and n-Hexadecanoic acid- were present in all the species. Similarity indices ranged from 19.61% (S. siamea and S. podocarpa) to 58.62% (S. alata and S. occidentalis). Multivariate analyses revealed distinct groupings, notably the divergence of Albizia lebbeck, which formed a separate cluster characterized by a high abundance of 1-Monolinoleoylglycerol trimethylsilyl ether, Benzeneacetic acid, and 6,10-Dodecadien-3-ol, among other compounds. Conversely, S. podocarpa showed close affinity with Albizia species, defined by their shared abundance of alcohols (n-Nonadecanol-1 and 2-Pentadecyn-1-ol) and sterols (Lupeol and β-Sitosterol). These chemotaxonomic findings complement existing morphological data and provide refined differentiation among closely related species. The study demonstrates the value of GC-MS phytochemical profiling in resolving systematic relationships within Fabaceae.
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/123456789/17579
dc.publisherFaculty of Life Sciences University of Ilorin Nigeria
dc.relation.ispartofseries1(1); 37-49
dc.subjectCassia spp
dc.subjectChemotaxonomy
dc.subjectFabaceae
dc.subjectGas chromatography
dc.subjectMass spectrometry
dc.titleGas chromatographic-mass spectrometry-based chemotaxonomic profiling of Senna, Cassia, and Albizia species of the Fabaceae family

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