Table 2. Comparative analysis of DPPH inhibition by ascorbic acid and Cordia macleodii.
|
Concentration (μg/ml) |
Ascorbic acid |
Cordia macleodii |
||
|
Absorbance(nm) |
% of DPPH inhibition |
Absorbance(nm) |
% of DPPH inhibition |
|
|
1 |
1.528 |
8.61 |
1.040 |
1.60 |
|
5 |
1.333 |
20.27 |
1.024 |
3.12 |
|
10 |
1.208 |
27.75 |
0.952 |
9.93 |
|
50 |
0.347 |
79.25 |
0.891 |
15.71 |
|
100 |
0.151 |
90.97 |
0.787 |
25.54 |
|
500 |
0.124 |
92.58 |
0.366 |
65.37 |