Abstract
The objective of this work was to evaluate the antioxidant and inhibitory activities of the ethanolic extracts of the mangosteen (Garcinia mangostana L.) grown in Montenegro, Quindio, Colombia, in three stages of maturation, including the edible (pulp) and inedible parts (pericarp and peduncle). The alcoholic samples were phytochemically characterized by Thin Layer Chromatography (TLC), High Performance Liquid Chromatography (HPLC) and by Fourier Transformation Infrared Spectroscopy (FT-IR); the antioxidant capacities were also evaluated by the diphenyl-picrylhydrazyl (DPPH•) radical method and Oxygen Radical Absorbance Capacity (ORAC), in addition to the inhibitory activity of acetylcholinesterase (AchE) and the total content of phenols and flavonoids. The tests detected phytochemical compounds such as phenols, flavonoids, alkaloids, quinones and xanthones, to which the antioxidant activity and the inhibition of AChE presented, can be attributed. In conclusion, the inedible parts of mangosteen contain higher proportions of secondary metabolites, these being the most promising sources for industrial use.
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