Research Article

Structural Aspects of Antioxidant and Genotoxic Activities of Two Flavonoids Obtained from Ethanolic Extract of Combretum leprosum

Table 2

Cytotoxicity and antioxidant effect of C. leprosum ethanolic extract in S. cerevisiae.

TreatmentYeast strains
WTsod1Δsod2Δsod1Δsod2Δ

NC100.0 ± 0.0100.0 ± 0.0100.0 ± 0.0100.0 ± 0.0
C. leprosum 10 μg/mL99.33 ± 2.5289.60 ± 0.95100.97 ± 3.6596.00 ± 3.61
C. leprosum 50 μg/mL99.67 ± 4.7380.93 ± 3.6698.57 ± 0.6794.27 ± 3.95
C. leprosum 100 μg/mL94.63 ± 4.4676.43 ± 10.6494.53 ± 4.1790.67 ± 0.71
C. leprosum 500 μg/mL87.23 ± 2.2567.50 ± 2.1296.83 ± 3.3389.63 ± 1.05
PC: H2O2 5 mM63.03 ± 4.1216.27 ± 4.8819.10 ± 4.0319.33 ± 2.10
C. leprosum 10 μg/mL + H2O268.53 ± 1.4028.3 ± 6.6531.45 ± 2.1925.70 ± 2.97
C. leprosum 50 μg/mL + H2O268.33 ± 7.1643.85 ± 2.9038.35 ± 2.1941.25 ± 1.91
C. leprosum 100 μg/mL + H2O270.80 ± 2.2141.65 ± 2.7641.50 ± 3.9646.70 ± 4.10
C. leprosum 500 μg/mL + H2O271.40 ± 5.9434.90 ± 5.6638.0 ± 7.4935.30 ± 6.51

NC: negative control (solvent: DMSO).
Positive control (H2O2). Data significant in relation to oxidant-treated samples at and /one-way ANOVA, Tukey’s multiple comparison test.