Abstract
In this study, the total phenolic and flavonoid contents (TPC and TFC), secondary metabolite composition (LC-HRMS/MS analyses) and antioxidant potential (DPPH, ABTS, GOR, CUPRAC, and phenanthroline assays) of Linum trigynum L. (LT) extracts were determined. Our results showed for the first time that the extracts (PE, CHCl3, AcOEt, and n-BuOH) of LT exert antioxidant activity. The AcOEt and n-BuOH extracts were the most antioxidant compared to the standards, and had a higher amount of TPC (323.51 ± 0.62; 229.98 ± 6.80 µg GAE/mL) and TFC (183.75 ± 1.17 and 157.50 ± 1.77 µg QE/mL), resectively. The high antioxidant properties of these extracts may be due to their major compounds (phenolic compounds) detected by LC-HRMS/MS analyses including flavonoids (40 compounds) and phenolic acids and derivatives (18 and 19 compounds, respectively). AcOEt and n-BuOH extracts of LT can be used as an excellent source of antioxidant phytochemicals to prevent or treat various diseases.
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