Table 1.
Antioxidant assay | Sample |
Percentage inhibition at different concentration of sample (μg/ml) * |
IC50 (μg/ml) | ||||
---|---|---|---|---|---|---|---|
20 | 40 | 60 | 80 | 100 | |||
DPPH assay | Basella alba | 20.6 ± 1.9 | 39.4 ± 0.0 | 76.8 ± 0.02 | 82.6 ± 0.2 | 93.9 ± 1.2 | 46.6 ± 0.0 |
Ascorbic acid | 28.24 ± 0.28 | 42.76 ± 0.43 | 62.27 ± 0.72 | 73.73 ± 0.37 | 94.81 ± 0.49 | 45.5 ± 0.4 | |
Superoxide radical scavenging activity | Basella alba | 38.95 ± 0.39 | 47.21 ± 0.85 | 56.72 ± 0.64 | 68.90 ± 0.28 | 70.11 ± 0.80 | 47.2 ± 1.2 |
Ascorbic acid | 38.46 ± 3.87 | 41.24 ± 0.02 | 53.59 ± 1.54 | 59.56 ± 2.11 | 63.77 ± 1.64 | 55.2 ± 2.10 |
* values represent means ±.S.D, n = 3; Means not sharing the same letter are significantly different (LSD) at P < 0.01 probability level in last column.