Table 7.
DPPH and ABTS scavenging activities of Cucurbita spp. peel extracts.
| Species/Variety | Extract | ABTS Scavenging (µg TE/g dw) |
DPPH Scavenging (µg TE/g dw) |
|---|---|---|---|
| C. maxima/Halloween | W | 3.018 ± 1.085 | 3.272 ± 0.052 a |
| HG | 3.855 ± 0.055 | 2.047 ± 0.149 b | |
| E | 4.323 ± 0.071 | 2.140 ± 0.169 b | |
| C. maxima/Hokkaido | W | 4.382 ± 0.475 | 2.495 ± 0.055 a |
| HG | 3.764 ± 0.048 | 2.701 ± 0.082 a | |
| E | 4.460 ± 0.043 | 1.999 ± 0.065 b | |
| C. moschata/Butternut | W | 4.524 ± 0.231 a | 3.333 ± 0.004 a |
| HG | 3.304 ± 0.011 b | 0.947 ± 0.026 b | |
| E | 3.600 ± 0.153 b | 1.386 ± 0.111 c | |
| C. moschata/Nelson | W | 3.695 ± 0.040 a | 2.207 ± 0.266 a |
| HG | 3.529 ± 0.021 b | 1.444 ± 0.209 b | |
| E | 3.802 ± 0.025 c | 2.549 ± 0.074 a | |
| C. moschata/Muscat | W | 3.898 ± 0.042 a | 2.862 ± 0.283 a |
| HG | 2.470 ± 0.041 b | 2.294 ± 0.103 b | |
| E | 3.552 ± 0.195 a | 2.473 ± 0.079 ab |
W—aqueous extracts, HG—hydroglycolic extracts, E—ethanolic extracts; mean ± SD; means that do not share the same letter are significantly different with p < 0.05 within one species/variety.