Table 3.
Total phenols, ascorbic acid content, DPPH free radical scavenging activity (IC50 value), ascorbic acid content (AAC), ascorbic acid equivalent antioxidant activity (AEAC) and ferric-reducing antioxidant power (FRAP) data for Portulaca oleracea at the different growth stages.
| Day intervals | TPC (mg GAE/100 g) | AAC (mg/100 g) | IC50 (mg/mL) | AEAC (mg AA/100 g) | FRAP (mg GAE/g) |
|---|---|---|---|---|---|
| 15 | 174.5 ± 8.5 | 86.5 ± 3.9 | 1.71 ± 0.04 | 229.5 ± 7.9 | 1.8 ± 0.1 |
| 30 | 276.8 ± 5.5 | 84.0 ± 4.2 | 1.46 ± 0.03 | 263.8 ± 8.3 | 2.8 ± 0.1 |
| 45 | 300.5 ± 6.2 | 72.3 ± 2.7 | 1.38 ± 0.01 | 293.0 ± 8.2 | 3.6 ± 0.1 |
| 60 | 348.5 ± 7.9 | 60.5 ± 2.1 | 1.30 ± 0.04 | 319.3 ± 8.7 | 4.3 ± 0.1 |