Table 7.
The correlation between the reduction capacity of the DPPH radical, concentration of the analyzed antioxidants in maize with different kernel colors, and the application of different fertilizers (biofertilizer (BF); organic fertilizer (OF); urea; control (Con; no fertilizer)).
| Antioxidant | Pphy | Phenolics | GSH | YP | |
|---|---|---|---|---|---|
| Genotype | |||||
| White | DPPH | 0.68* | 0.04 | 0.44* | −0.13 |
| Yellow | 0.74* | −0.14 | 0.38* | −0.74* | |
| Red | −0.09 | 0.46* | 0.55* | 0.1 | |
| Fertilizer treatment | |||||
| BF | DPPH | −0.28 | 0.89* | −0.36 | −0.2 |
| OF | −0.64* | 0.85* | −0.44* | 0.09 | |
| Urea | −0.27 | 0.84* | −0.41* | −0.09 | |
| Con | −0.57* | 0.78* | −0.70* | −0.08 | |
*0.05, significance level.