Table 1.
Free radical scavenging activity using 1,1- Diphenyl-2-picrylhydrazyl radical (DPPH)
| Concentration |
The rate of scavenging of DPPH radical (%)
|
||||
|---|---|---|---|---|---|
| 0.2 mg/mL | 0.4 mg/mL | 0.6 mg/mL | 0.8mg/mL | 1 mg/mL | |
| P. major | 69.75 | 74.75 | 80.00 | 84.50 | 90.25 |
| P. lanceoalata | 50.50 | 67.75 | 72.25 | 77.75 | 84.25 |
| R. pseudoacacia | 43.75 | 65.75 | 72.50 | 76.25 | 78.25 |
| A. hippocastanum | 46.50 | 69.75 | 75.25 | 78.75 | 80.25 |
| P. orientalis | 44.75 | 58.25 | 68.75 | 78.00 | 80.50 |
| Ascorbic acid | 97.50 | 97.50 | 97.50 | 97.50 | 97.50 |
All tests were performed as triplicate and the results are showed as mean of data in the table