Table 1.
Differences in total antioxidant capacity, flavonoids and black rice pigment contents of purple glutinous brown rice grains and polished rice grains.
| Index | YZN1_H | YZN1_B | YZN2_H | YZN2_B |
|---|---|---|---|---|
| ABTS value (μmol Trolox g−1 FW) | 9.25 ± 0.04c | 11.40 ± 0.24a | 8.83 ± 0.2c | 10.05 ± 0.29b |
| DPPH value (μmol Trolox g−1 FW) | 3.13 ± 0.08b | 4.30 ± 0.2a | 2.99 ± 0.12b | 4.30 ± 0.2a |
| FRAP value (μmol Trolox g−1 FW) | 2.10 ± 0.01c | 3.36 ± 0.09a | 2.45 ± 0.2b | 2.50 ± 0.08b |
| TP content (mg g−1 FW) | 3.23 ± 0.15bc | 7.30 ± 0.41a | 2.98 ± 0.21c | 3.66 ± 0.18b |
| PD content (mg g−1 DW) | 2.89 ± 0.17c | 9.33 ± 0.39a | 2.60 ± 0.15c | 3.65 ± 0.21b |
| OPC content (mg g−1 FW) | 1.02 ± 0.06b | 2.29 ± 0.08a | 0.60 ± 0.02d | 0.74 ± 0.02c |
| AsA content (μg g−1 FW) | 289.94 ± 2.48b | 490.01 ± 12.6a | 66.63 ± 1.28c | 78.51 ± 2c |
| C3OG (mg g−1 FW) | 5.39 ± 0.54b | 10.89 ± 0.98a | 2.71 ± 0.09c | 2.85 ± 0.08c |
| P3G (mg g−1 FW) | 0.3690 ± 0.0069b | 0.8182 ± 0.0594a | 0.1377 ± 0.0029c | 0.1469 ± 0.0138c |
Different lowercase letters represent significance at the 0.05 level, the same as below.