Table 2.
Measured absorbence values of synthesized compounds’ free radical scavenging activities
| Compounds | Absorbance and %free radical scavenging activity | |||||
|---|---|---|---|---|---|---|
| 12.5 | 25 | 37.5 | ||||
| A | % Activity | A | % Activity | A | % Activity | |
| 4a | 0.103 | 23.7 | 0.090 | 33.3 | 0.075 | 44.4 |
| 4b | 0.106 | 21.5 | 0.090 | 33.3 | 0.077 | 43.0 |
| 4c | 0.110 | 18.5 | 0.091 | 32.6 | 0.082 | 39.3 |
| 4d | 0.097 | 28.1 | 0.086 | 36.3 | 0.069 | 48.9 |
| 4e | 0.107 | 20.7 | 0.098 | 27.4 | 0.086 | 36.3 |
| 4f | 0.127 | 5.9 | 0.093 | 31.1 | 0.082 | 39.3 |
| 4 g | 0.107 | 20.7 | 0.097 | 28.1 | 0.085 | 37.0 |
| BHA | 0.035 | 85.0 | 0.035 | 87.9 | 0.048 | 89.3 |
| BHT | 0.073 | 45.7 | 0.051 | 63.6 | 0.051 | 77.1 |
| α-Tocopherol | 0.018 | 89.3 | 0.018 | 89.3 | 0.017 | 90.0 |
| Absorbance of control reaction: 0.135 | ||||||