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.