ArticleFrontiers in plant science2025
Metabolomic profiling of finger millet: unlocking the secrets of a nutritious staple food.
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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8 authors.
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Abstract
Introduction: Finger millet ( Methods: Comprehensive phytochemical profiling was conducted using liquid chromatography coupled with high-resolution tandem mass spectrometry (LC-HRMS/MS) to identify and characterize primary and secondary metabolites in finger millet grains. Inductively coupled plasma mass spectrometry (ICP-MS) was employed to quantify macro- and microelemental contents. Results: Metabolomic analysis identified a total of 50 primary metabolites, including derivatives of amino acids, fatty acids, and carbohydrates such as dehydroascorbic acid, niacin, xanthine, orotic acid, nicotinuric acid, gluconic acid, propionic acid, decanoic acid, and palmitic acid. Additionally, 135 secondary metabolites were characterized, encompassing heterocyclic compounds, phenolics, flavonoids, alkaloids, and terpenes such as 4-hydroxycyclohexylcarboxylic acid, 2-furoic acid, methyl cinnamate, mesitol, 4-hydroxybenzoic acid, heptalactone, viburtinal, and geranic acid. Elemental analysis revealed the presence of 10 macro- and microelements, with magnesium (Mg), calcium (Ca), potassium (K), and phosphorus (P) being the most abundant. Discussion: The comprehensive metabolite profiling demonstrates that finger millet is a rich source of bioactive primary and secondary compounds with potential therapeutic benefits. The diversity of metabolites and essential minerals highlights its value as a functional food ingredient for the prevention and management of metabolic disorders. These findings provide a biochemical basis for the development of value-added nutraceutical products derived from finger millet landraces.
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