Table 3.
Antioxidant activity of fruit samples of pepino (S. muricatum) and its wild relative S. caripense samples (n = 5) using the 2,2-diphenyl-1-picrylhydrazyl hydrate (DPPH) free radical scavenging capacity, oxygen radical absorbance capacity (ORAC), and total reducing capacity (TRC) based on the Folin–Ciocalteu reagent methods.
| Accession | ORAC (µmol Trolox/g d.w.) | DPPH (µmol Trolox/g d.w.) | TRC (µmol caffeic acid/g d.w.) |
|---|---|---|---|
| S. muricatum | |||
| 37-A | 83.5 ± 7.0 | 26.1 ± 3.4 | 99.2 ± 11.7 |
| El Camino | 76.0 ± 2.6 | 22.2 ± 1.5 | 73.6 ± 1.7 |
| Puzol | 80.9 ± 8.2 | 34.5 ± 2.1 | 66.2 ± 4.8 |
| Valencia | 51.9 ± 11.9 | 29.2 ± 2.1 | 76.8 ± 6.7 |
| S. caripense | |||
| E-7 | 170.7 ± 22.9 | 36.3 ± 2.9 | 127.9 ± 4.8 |