Table 3.
Gallic acid, catechin, ferulic acid, and resveratrol contents during the fermentation of must supplemented with Muscat Bailey A fruit stem, and of wine
Compounds | Fermentation days | Wine |
0 | 1 | 4 | 6 | 8 | 10 |
0% | ND1) | 0.33±0.04a2) | 0.30±0.05a | 1.73±0.00a | 1.77±0.16a | 2.32±0.22a | 1.96±0.13a |
1% | ND | 0.25±0.02a | 0.31±0.01a | 2.05±0.10ab | 1.66±0.17a | 2.31±0.06a | 2.11±0.09a |
2% | ND | 0.36±0.07a | 0.45±0.02ab | 2.32±0.17b | 2.09±0.22ab | 2.97±0.04b | 2.66±0.19b |
3% | ND | 0.33±0.02a | 0.58±0.02b | 2.87±0.01c | 2.38±0.38ab | 3.07±0.03b | 2.91±0.09bc |
5% | ND | 0.62±0.09b | 0.64±0.13b | 2.81±0.07c | 2.77±0.25b | 3.28±0.24b | 3.37±0.07c |
0% | ND | ND | ND | 4.29±0.09a | 4.81±0.50a | 8.16±0.38a | 8.68±0.52ab |
1% | ND | ND | ND | 5.34±0.33b | 5.38±0.20a | 10.27±0.13ab | 9.60±0.52ab |
2% | ND | ND | ND | 5.47±0.07b | 9.13±2.20a | 14.22±0.08b | 7.65±0.00a |
3% | ND | ND | ND | 7.11±0.38c | 9.52±1.86a | 15.58±0.71b | 10.89±0.00bc |
5% | ND | ND | 2.79±0.34 | 8.01±1.35c | 17.68±0.75b | 23.08±3.07c | 13.41±1.44c |
0% | ND | 0.37±0.06a | 0.62±0.16a | 1.26±0.04a | 1.33±0.05a | 1.51±0.28a | 0.91±0.12a |
1% | ND | 0.42±0.01a | 0.72±0.33a | 1.41±0.06a | 1.12±0.05a | 1.19±0.00a | 0.97±0.11a |
2% | ND | 0.45±0.02a | 0.73±0.41a | 1.28±0.02a | 1.38±0.12a | 1.49±0.04a | 1.04±0.04a |
3% | ND | 0.44±0.04a | 0.56±0.06a | 1.48±0.09a | 1.29±0.16a | 1.51±0.02a | 1.10±0.04a |
5% | ND | 0.40±0.06a | 0.61±0.07a | 1.45±0.14a | 1.66±0.05a | 1.59±0.03a | 1.16±0.04a |
0% | ND | ND | ND | ND | 0.76±0.19a | 1.38±0.19a | 0.23±0.02a |
1% | ND | ND | ND | ND | 0.97±0.32a | 1.35±0.19a | 0.61±0.09a |
2% | ND | ND | ND | 0.62±0.13a | 1.41±0.05ab | 2.62±0.36b | 1.77±0.26b |
3% | ND | ND | ND | 1.37±0.04b | 2.26±0.36b | 2.87±0.16b | 2.06±0.12b |
5% | ND | ND | ND | 1.38±0.03b | 3.33±0.29c | 3.27±0.42b | 3.06±0.08c |
ND : Not detected
Means with the different letters in same column are significantly different (p<0.05) by Duncan’s multiple range test.