Table 3. Antioxidant capacity of Meili grapes and wines at different density levels.
| Density level | DPPH | CUPRAC | HRSA | ||||||
|---|---|---|---|---|---|---|---|---|---|
| skin(μM TE g-1)α | seed(μM TE g-1) | wine(μM TE L-1) | skin(μM TE g-1) | seed(μM TE g-1) | wine(μM TE L-1) | skin(%) | seed(%) | wine(%) | |
| D3 | 209.18±5.13(a)β | 531.20±9.27(a) | 4380±19(a) | 78.36±5.20(a) | 676.23±21.94(a) | 5438±22(a) | 24.61±3.46(a) | 41.04±3.63(a) | 45.85±4.65(a) |
| D4 | 210.09±5.01(a) | 535.69±11.18(a) | 4850±24(b) | 90.79±4.61(a) | 691.05±4.47(a) | 5918±18(b) | 27.65±3.55(b) | 41.71±3.34(a) | 52.24±4.83(b) |
| D5 | 225.51±5.31(b) | 549.00±8.35(b) | 5140±15(c) | 114.96±6.68(b) | 756.42±19.12(b) | 7009±21(c) | 34.35±3.69(c) | 48.90±4.20(b) | 59.59±5.4(c) |
α TE: trolox equivalents.
β Values are the mean ± standard deviation (n = 3) and are based on the fresh weight of skin and seed, respectively. Within columns, significant differences according to the Fisher’s LSD test at the P ≤ 0.05 level are indicated by different letters.