Table 3.
The content of total polyphenols and antioxidant activity (DPPH and FRAP values) of ethanol extracts of pomegranate (Punica granatum L.) peels (PPEs). Result are given as a mean value ± standard deviation (SD).
| Sample | Total Polyphenols (mg/100 g) 1 | DPPH (µmol/100 g) 2 | FRAP (μmol/100 g) 2 |
|---|---|---|---|
| P1 | 6390.56 ± 185.52 | 7593.40 ± 39.16 | 100.25 ± 0.26 |
| P2 | 7761.07 ± 167.50 | 7705.85 ± 12.62 | 150.53 ± 14.24 |
| P3 | 5766.44 ± 114.86 | 7525.42 ± 70.71 | 109.36 ± 11.38 |
| P4 | 10599.43 ± 17.57 | 7831.42 ± 12.59 | 176.60 ± 3.47 |
| P5 | 7575.95 ± 26.50 | 7661.62 ± 41.66 | 156.62 ± 8.61 |
| P6 | 8028.04 ± 8.84 | 7744.40 ± 64.43 | 148.82 ± 7.19 |
| P7 | 6360.16 ± 26.48 | 7659.99 ± 26.58 | 117.94 ± 3.92 |
| P8 | 6402.71 ± 284.89 | 7651.31 ± 18.59 | 116.69 ± 16.08 |
1 Results are expressed as the gallic acid equivalents ((GAE)/100 g of sample). 2 Results are expressed as the Trolox equivalent ((TE)/100 g of fresh weight of sample).