Table 1.
Antioxidant activity of the red and green kohlrabi cultivar MeOH extracts
| TPC1) | IC50 | |||
|---|---|---|---|---|
|
| ||||
| ABTS | DPPH | ONOO− | ||
| Red kohlrabi | 8.91 | 472.63±2.322) | 696.83±1.16 | 116.79±0.13 |
| Green kohlrabi | 4.64 | 787.89±5.34 | 801.03±0.80 | 132.20±0.32 |
| Trolox3) | 3.31±0.05 | |||
| L-Ascorbic acid4) | 2.64±0.05 | |||
| L-Penicillamine5) | 1.21±0.26 | |||
1)
Total phenolic content (TPC) is expressed as GAE (mg/g of MeOH extract).
2)
Values are expressed as the mean±SEM of three experiments.
3–5)
Trolox, L-ascorbic acid, and L-penicillamine were used as positive controls for ABTS, DPPH, and ONOO−, respectively.