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Half-maximal inhibitory concentration (IC50) of PPE and PLE compared with the reference standards BHT and ascorbic acid.
| IC50 (mg/mL) | ||||
|---|---|---|---|---|
| BHT | Ascorbic Acid | PLE | PPE | |
| DPPH | 0.082 | - | 0.112 | 0.108 |
| FRAP | - | 0.076 | 0.504 | 0.980 |
IC50: half-maximal inhibitory concentration; BHT: butylhydroxytoluene; PPE: pomegranate peel extract; PLE: pomegranate leaf extract; FRAP: ferric reducing antioxidant power assay; DPPH: free radical scavenging assay.
