Table 4.
Antioxidant activity (%) expressed as the ability to neutralize the DPPH radical in water extracts made of studied materials in successive years of the study.
| Cultivars | Raw material | |||||||
|---|---|---|---|---|---|---|---|---|
| Fresh material | Dry material | |||||||
| 2011 | 2012 | 2013 | Mean | 2011 | 2012 | 2013 | Mean | |
| “Baron von Solemacher” | 12.65a | 11.34a | 14.02b | 12.67 | 23.84a | 21.51b | 26.05b | 23.80 |
| “Yellow Wonder” | 12.42a | 11.16a | 13.63a | 12.40 | 23.44a | 21.05a | 25.70a | 23.40 |
| “Regina” | 14.30b | 13.21b | 15.30c | 14.27 | 24.66b | 22.15c | 26.98c | 24.60 |
| Mean | 13.12 | 11.90 | 14.31 | 13.11 | 23.98 | 21.57 | 26.24 | 23.93 |
Explanatory notes: see Table 2.