Table 5.
Effect of ultrasound time and storage time on anthocyanins, flavan-3-ols, tannins content, polymerized pigments index (P.P.I.), HCl index, and color intensity (C.I.) of red wine B.
| Sample | Time US | tstor. | Anthocyanins | Flavan-3-ols | Tannins | P.P.I. | HCl Index | C.I. |
|---|---|---|---|---|---|---|---|---|
| (min) | (day) | (mg/L) | (mg/L) | (g/L) | (-) | (-) | (-) | |
| WB | 0 | 0 | 280.99 ± 9.71 a * | 298.50 ± 0.72 bc | 1.26 ± 0.11 ab | 57.87 ± 4.61 b | 14.22 ± 0.54 b | 4.52 ± 0.06 c |
| 15 | 132.18 ± 11.87 c | 246.10 ± 0.86 e | 1.09 ± 0.07 b | 68.95 ± 3.72 ab | 28.51 ± 2.40 a | 5.55 ± 0.04 a | ||
| 30 | 182.12 ± 3.52 b | 262.23 ± 7.43 e | 1.08 ± 0.25 ab | 60.57 ± 2.96 ab | 30.98 ± 1.45 a | 5.38 ± 0.17 ab | ||
| WB-1 | 1 | 0 | 293.27 ± 12.56 a | 300.70 ± 6.22 b | 1.34 ± 0.04 a | 61.37 ± 1.04 ab | 13.13 ± 2.48 b | 4.54 ± 0.01 c |
| 15 | 133.67 ± 15.74 c | 251.03 ± 10.38 e | 1.09 ± 0.12 b | 71.89 ± 1.97 a | 27.66 ± 1.39 a | 5.42 ± 0.14 ab | ||
| 30 | 183.02 ± 4.70 b | 268.38 ± 2.78 de | 1.10 ± 0.24 ab | 60.45 ± 2.49 ab | 24.27 ± 2.39 a | 5.50 ± 0.06 ab | ||
| WB-3 | 3 | 0 | 283.68 ± 5.14 a | 299.18 ± 9.85 bc | 1.26 ± 0.14 ab | 67.55 ± 12.73 ab | 13.68 ± 2.43 b | 4.65 ± 0.01 c |
| 15 | 150.85 ± 10.23 c | 312.95 ± 26.55 ab | 1.05 ± 0.23 b | 68.11 ± 0.75 ab | 24.74 ± 3.45 a | 5.47 ± 0.03 ab | ||
| 30 | 187.25 ± 4.61 b | 271.50 ± 3.64 cde | 1.51 ± 0.18 a | 59.12 ± 0.97 b | 25.16 ± 2.44 a | 5.33 ± 0.25 ab | ||
| WB-5 | 5 | 0 | 273.44 ± 1.15 a | 292.75 ± 0.70 bcd | 1.19 ± 0.17 ab | 64.53 ± 1.87 ab | 12.59 ± 1.08 b | 4.68 ± 0.11 c |
| 15 | 150.33 ± 8.22 c | 331.35 ± 4.70 a | 0.98 ± 0.17 b | 63.14 ± 0.82 ab | 26.20 ± 3.38 a | 5.32 ± 0.12 ab | ||
| 30 | 190.28 ± 4.11 b | 269.73 ± 7.46 de | 1.32 ± 0.11 ab | 56.87 ± 1.73 b | 29.84 ± 4.38 a | 5.18 ± 0.11 b |
* Each datum represents the mean of three replicates ± standard deviation. Values with different letter within column indicate significative differences (p < 0.05).