Open Access
Table 3
Volatile compounds in the initial and treated wines and in the distillates (1).
| Compound | Initial wine | Dealcoholized wines | Distillates | ||||
|---|---|---|---|---|---|---|---|
| A | B | C | Ad | Bd | Cd | ||
| acetic acid, mg/dm3 | 246.7 ± 19.7 | 204.0 ± 24.3 63.45* | 234.2 ± 29.1 55.82* | 268.1 ± 32.2 44.13* | 306.6 ± 42.8 25.24* | 321.2 ± 39.6 49.75* | 283.7 ± 38.2 64.86* |
| acedal- dehyde mg/dm3 | 36.4 ± 4.1 | 35.9 ± 6.3 75.65* | 47.96 ± 6.8 77.41* | 68.3 ± 10.7 76.11* | 35.9 ± 6.2 20.04* | 31.2 ± 6.2 32.74* | 28.8 ± 5.9 44.62* |
| ethyl- acetate mg/dm3 | 45.2 ± 3.8 | 40.1 ± 5.3 68.08* | 41.5 ± 5.5 53.96* | 43.2 ± 5.3 38.82* | 49.7 ± 6.0 22.32* | 47.8 ± 3.2 40.44* | 46.5 ± 4.8 57.93* |
| Isoamyl alcohol mg/dm3 | 94.4 ± 8.5 | 99.1 ± 15.0 80.53* | 80.3 ± 7.5 49.98* | 106.1 ± 14.2 45.61* | 92.3 ± 9.6 19.84* | 128.9 ± 15.1 52.15* | 98.6 ± 13.6 58.89* |
| amyl alcohol mg/dm3 | 61.9 ± 8.5 | 71.0 ± 15.0 88.08* | 58.6 ± 7.5 55.68* | 69.5 ± 14.2 45.62* | 60.5 ± 9.6 19.84* | 84.4 ± 15.1 52.15* | 71.1 ± 14.6 64.86* |
| Isobuty alcohol mg/dm3 | 57.85 ± 8.4 | 44.33 ± 9.3 58.77* | 49.2 ± 7.1 49.97* | 39.5 ± 6.8 27.70* | 56.5 ± 8.4 19.84* | 48.0 ± 8.4 31.67* | 66.5 ± 8.8 64.84* |
| n-butan 1-ol mg/dm3 | 4.55 ± 8.4 | 4.2 ± 9.3 71.38* | 3.9 ± 7.1 49.99* | 5.1 ± 6.8 45.61* | 5.9 ± 8.4 26.54* | 6.2 ± 8.4 52.13* | 5.2 ± 8.8 64.85* |
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