Table 2 (i): Free Radical Scavenging activity of SC-AgNPs by DPPH method. (ii) Antioxidant activity of SC-AgNPs by H2O2 method. (iii) Antioxidant activity of SC-AgNPs by Nitric oxide (NO) method.
(i)DPPH method | Free radical scavenging activity ± SD (%) | |||
|---|---|---|---|---|
Sample name | 25 µg/mL | 50 µg/mL | 75 µg/mL | 100 µg/mL |
Smilax china root extract | 28.27 ± 0.83 | 48.24 ± 0.48 | 56.64 ± 0.42 | 62.68 ± 0.32 |
SC-AgNPs | 40.42 ± 0.36 | 54.08 ± 0.92 | 69.26 ± 0.54 | 76.22 ± 0.74 |
Ascorbic acid | 46.04 ± 0.22 | 58.64 ± 0.26 | 67.44 ± 0.56 | 72.28 ± 0.62 |
(ii)H2O2 method | Free radical scavenging activity ± SD (%) | |||
|---|---|---|---|---|
Sample name | 25 µg/mL | 50 µg/mL | 75 µg/mL | 100 µg/mL |
Smilax china root extract | 20.34 ± 0.62 | 36.60 ± 0.12 | 42.64 ± 0.26 | 53.64 ± 0.32 |
SC-AgNPs | 32.24 ± 0.72 | 44.82 ± 0.28 | 56.42 ± 0.48 | 64.26 ± 0.58 |
(iii)NO method | Free radical scavenging activity ± SD (%) | |||
|---|---|---|---|---|
Sample name | 25 µg/mL | 50 µg/mL | 75 µg/mL | 100 µg/mL |
Smilax china root extract | 18.64 ± 0.46 | 34.30 ± 0.84 | 40.82 ± 0.88 | 52.28 ± 0.42 |
SC-AgNPs | 30.42 ± 0.68 | 42.48 ± 0.28 | 54.26 ± 0.48 | 60.98 ± 0.28 |