ArticleAnalytical science advances2026
Metabolomic Differentiation of Malpighiaceae From Dry and Humid Tropics via UHPLC-MS/MS and Chemometrics.
Article in Analytical science advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Various factors can trigger water stress in plants, particularly in those growing in dry tropical regions. To survive under such conditions, plants produce metabolites with adaptive functions. However, metabolomic data on the leaves of Malpighiaceae species cultivated in both dry and humid tropical areas of Brazil remain scarce. This study aimed to evaluate seasonal water stress in 10 species (from 7 genera) of Malpighiaceae inhabiting contrasting Brazilian biomes: Cerrado and Caatinga (dry areas), and Atlantic and Amazon Forests (humid areas). Metabolic profiles obtained by liquid chromatography coupled to mass spectrometry were compared using Variable Importance in Projection Scores from Partial Least Squares Discriminant Analysis. The results revealed a clear distinction between the leaf metabolites from dry versus humid environments. Cyanidin-3-
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