Open Access
Table 2
Initial wine and samples physicochemical analyzes.
sample | Alcohol content vol. % | Dry extract g/dm3 | Titra-table acidity (TA) g/dm3 as tartaric acid | Volatile acidity (VA) g/dm3 as acetic acid | Total phenols (TP) mg/dm3 as gallic acid | A280 (IP) |
---|---|---|---|---|---|---|
Initial wine | 14.15 ± 0.22 | 20.152 ± 0.23 | 7.10 ± 0.21 | 0.24 ± 0.015 | 275.6 ± 13.8 | 0.925 ± 0.02 |
Dealcoholized wines samples: | ||||||
A | 9.80 ± 0.15 53.12* | 25.788 ± 0.32 98.15* | 7.49 ± 0.21 | 0.27 ± 0.015 | 354.8 ± 20.2 98.15* | 1.228 ± 0.03 101.82* |
B | 5.85 ± 0.15 24.31* | 32.308 ± 0.44 94.27* | 9.81 ± 0.28 | 0.30 ± 0.016 | 454.7 ± 24.6 94.27* | 1.540 ± 0.04 97.89* |
C | 2.75 ± 0.12 7.89* | 48.144 ± 0.76 97.00* | 14.12 ± 0.38 | 0.42 ± 0.019 | 648.2 ± 34.3 96.99* | 2.107 ± 0.06 92.48* |
Obtained distillates: | ||||||
Ad | 32.40 ± 0.46 | - | - | 0.19a ± 0.010 | - | - |
Bd | 28.30 ± 0.39 | - | - | 0.19 a ± 0.010 | - | - |
Cd | 21.70 ± 0.26 | - | - | 0.15 a ± 0.009 | - | - |
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