article · Journal of the Mexican Chemical Society
Abstract. This study is the first to identify polyphenols and flavonoids in ethanolic extracts of aerial parts of Salvia hispanica cultivated under arid conditions using UPLC–MS analysis. Antioxidant activity was evaluated through DPPH, ABTS, PHE, and FRAP tests, while enzymatic activity was assessed via α-amylase inhibition. The polyphenol and flavonoid contents were highest in the inflorescences, followed by the leaves and stems. The major compounds identified included oleanolic acid, riboflavin, rutin, naringenin, curcumin, caffeic acid, resveratrol, quercetin, epicatechin, and luteolin. The chelating activity of leaf, inflorescences, and stem extracts ranged from 11.97 to 145.86 μg mL-1, while α-amylase inhibitory activity ranged from 7.66 to 21.25 μg mL-1. These findings highlight the pharmacological potential of S. hispanica, particularly its antioxidant and antidiabetic properties. This research enhances scientific understanding of Chia’s aerial parts, supporting the development of plant-based supplements and medicinal applications for health and wellness. Resumen. Este estudio es el primero en identificar polifenoles y flavonoides en extractos etanólicos de las partes aéreas de Salvia hispanica cultivadas en condiciones áridas mediante análisis UPLC-MS. La actividad antioxidante se evaluó mediante pruebas DPPH, ABTS, PHE y FRAP, mientras que la actividad enzimática se evaluó mediante inhibición de la α-amilasa. Los contenidos de polifenoles y flavonoides fueron más altos en las inflorescencias, seguidos de las hojas y los tallos. Los principales compuestos identificados incluyeron ácido oleanólico, riboflavina, rutina, naringenina, curcumina, ácido cafeico, resveratrol, quercetina, epicatequina y luteolina. La actividad quelante de los extractos de hojas, inflorescencias y tallos varió de 11.97 a 145.86 μg mL-1, mientras que la actividad inhibidora de α-amilasa varió de 7.66 a 21.25 μg mL-1. Estos hallazgos resaltan el potencial farmacológico de S. hispanica, en particular sus propiedades antioxidantes y antidiabéticas. Esta investigación profundiza la comprensión científica de las partes aéreas de la chía, impulsando el desarrollo de suplementos vegetales y aplicaciones medicinales para la salud y el bienestar.
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DOI: 10.29356/jmcs.v70i1.2485
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