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Evaluation of antioxidant potential, enzyme inhibition activity and phenolic profile of Lathyrus cicera and Lathyrus digitatus: Potential sources of bioactive compounds for the food industry

E.J. Llorent-Martínez, P. Ortega-Barrales, G. Zengin, A. Mocan, M.J. Simirgiotis, R. Ceylan, S. Uysal, A. Aktumsek
Food and chemical toxicology 2017 v.107 pp. 609-619
2,2-diphenyl-1-picrylhydrazyl, Lathyrus cicera, acetylcholinesterase, aerial parts, agricultural land, alpha-amylase, alpha-glucosidase, antioxidant activity, antioxidants, bioactive compounds, cholinesterase, enzyme inhibition, flavonoids, food industry, functional foods, high performance liquid chromatography, ionization, mass spectrometry, phytopharmaceuticals, screening, toxicology
The genus Lathyrus has great importance in terms of food and agricultural areas. In this study, the in vitro antioxidant activity (phosphomolybdenum, DPPH, ABTS, FRAP, CUPRAC and metal chelating) and enzyme inhibitory activity evaluation (acetylcholinesterase, butyrylcholinesterase, α-amylase and α-glucosidase) of L. cicera and L. digitatus were investigated, as well as their phytochemical profiles. The screening of the main phytochemical compounds in aerial parts of L. cicera and L. digitatus was carried out by high-performance liquid chromatography with electrospray ionization mass spectrometric detection (HPLC-ESI-MSn), observing that flavonoids represent the highest percentage of identified compounds, with abundance of tri- and tetra-glycosilated flavonoids, including acylated ones, especially in L. cicera. Generally, L. digitatus exhibited stronger antioxidant and enzyme inhibitory activities in correlation with its higher level of phenolics. The high number of phenolic compounds and the results of the antioxidant and enzyme assays suggest that these plants may be further used as sources of bioactive compounds, and for the preparation of new nutraceuticals.