Table 4.
Radical scavenging activity (RSA) for PVA based systems.
| Formulations | DPPH Scavenging Activity, RSA (%) | |||||
|---|---|---|---|---|---|---|
| Time 0 Day | Time 1 Day | Time 3 Days | Time 7 Days | Time 10 Days | Time 21 Days | |
| PVA/5GA | 90.7 ± 0.1 a | 94.3 ± 0.3 c | 93.8 ± 0.3 c | 95.0 ± 0.3 d | 94.1 ± 0.3 c | 92.7 ± 0.3 b |
| PVA/10GA | 95.3 ± 0.2 b | 95.6 ± 0.2 b | 95.0 ± 0.3 a,b | 95.1 ± 0.1 b | 95.6 ± 0.3 b | 94.5 ± 0.2 a |
| PVA/5QC | 89.0 ± 0.1 a | 95.3 ± 0.2 c | 96.6 ± 0.3 e | 96.3 ± 0.2 d,e | 95.7 ± 0.2 c,d | 94.3 ± 0.5 b |
| PVA/10QC | 91.3 ± 0.2 a | 95.5 ± 0.3 c | 95.9 ± 02 c | 95.8 ± 0.1 c | 95.4 ± 0.2c | 94.5 ± 0.3 b |
(a–e) Different superscripts within the same line indicate significant differences among different times evaluated for the same formulation (p < 0.05).