Table 1.
Antioxidant activity of extracts and compounds from the aerial parts of M. nobilis and M. hernandoi.
| FRS50 (μM) a | FRAP (mg Fe2+/100 g DE) | TPC (mg AG/g DE) b | FRAP (µM Fe2+) | |
|---|---|---|---|---|
| Mn 2.1 | 0.28 ± 0.01 | 12 ± 0.1 | ||
| Mn 2.2 | 2.01 ± 0.08 | 26 ± 2 | ||
| Mn 2.3 | 0.57 ± 0.03 | 24 ± 1 | ||
| Mh 2.1 | 53.2 ± 1.5 | 224 ± 7 | ||
| Mh 2.2 | 64.5 ± 1.5 | 240 ± 9 | ||
| Mh 2.3 | 7.45 ± 0.20 | 120 ± 3 | ||
| Quercetin | 14 ± 1 | 60.8 ± 1.3 | 337 ± 1 | |
| 1 | 2.0 ± 0.3 | 366 ± 5 | ||
| 2 | 1.9 ± 0.1 | 364 ± 5 | ||
| 3 | 19 ± 2 | 168 ± 1 | ||
| 4 | 3.3 ± 0.6 | 274 ± 1 | ||
| 5 | 7.5 ± 0.1 | 268 ± 1 | ||
| 6 | c | c | ||
| 7 | 4.1 ± 0.1 | 352 ± 6 | ||
| 8 | c | c | ||
| 9 | 19 ± 1 | 252 ± 2 | ||
| 11 | 19 ± 1 | 263 ± 1 | ||
| 12 | 48 ± 1 | 166 ± 3 | ||
| 13 | 19 ± 1 | 283 ± 3 | ||
| 14 | 473 ± 3 | 44 ± 1 |
Data are expressed as the mean ± SD. a Concentration of the sample required to scavenge 50% of the DPPH free radicals. b Total phenolic content measured using the Folin–Ciocalteu method. c Not tested.