Table 2.
Antioxidant activity of Vitis vinifera extracts in MCF-10A cells.
| Extract | Slope + | CAA50 * (mg/L) |
|---|---|---|
| E1 | −0.0100 ± 0.007 | 31.00 |
| E2 | −0.0080 ± 0.007 | 38.94 |
| E3 | Not tested ** | Not tested ** |
| E4 | −0.0043 ± 0.006 | 36.24 |
| E5 | Not tested ** | Not tested ** |
| E6 | 0.0053 ± 0.006 | Not evaluable *** |
| E7 | −0.0271 ± 0.007 | 53.82 |
| E8 | −0.0326 ± 0.012 | 57.82 |
| E9 | 0.0185 ± 0.008 | Not evaluable *** |
| E10 | 0.0040 ± 0.006 | Not evaluable *** |
| E11 | −0.0256 ± 0.008 | 54.46 |
| E12 | −0.0335 ± 0.020 | 66.33 |
+ Slope of ROS inhibition graphs at 60 min. * Concentration of extract to achieve 50% of cellular antioxidant activity (CAA). ** Extracts that were cytotoxic against MCF10A cells were not tested for antioxidant activity. *** The concentration is marked as not evaluable, in the cases where CAA did not reach 50%.