Research Article

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

Table 6

Induction of reversion of point mutation for his1-798, ochre allele lys1-1, and frameshift mutation (hom3-10) in S. cerevisiae haploid strain XV185-14c after treatment with FCL2 isolated product from ethanolic extract of C. leprosum.

AgentTreatment (μg/mL)Survival (%)LYS1/108 survivorsHIS1/107 survivorsHOM3/108 survivors

STAT cells treated in PBS
 NC0100.004.00 ± 2.8310.50 ± 0.714.0 ± 1.41
 4-NQO1.0 μg/mL39.9720.85 ± 2.4849.50 ± 9.1913.50 ± 4.95
 FCL210 μg/mL98.004.00 ± 1.4110.25 ± 1.776.00 ± 1.42
50 μg/mL93.035.50 ± 2.1213.15 ± 1.205.00 ± 2.83
100 μg/mL81.707.50 ± 2.1210.20 ± 4.245.00 ± 1.44
500 μg/mL82.508.50 ± 0.7110.65 ± 6.293.50 ± 2.12

Locus-specific revertants. Locus nonspecific revertants. Mean and standard deviation per three independent experiments. Negative control (solvent). Positive control. Data significant in relation to negative control group (solvent) at ; /one-way ANOVA, Tukey’s multiple comparison test.