Open Access
Table 2
Sample preparation–Distillation.
| Sample No. | Sample name | °Bx | Total sugar concentration in grape must (g/L) | Residual Sugar (g/L) | Total potential alcohol (% vol) | Actual Alcoholic Strength (% vol) | Ethanol content in 290 mL wine for distillation(mL) | Distillate Alcoholic strength (%vol) | Distillate volume @ 20°C (mL) | Ethanol content in distillate (mL) | Recovery (%) | Added beet sugar converted to ethanol (g/L) | Beet sugar ethanol in overall wine ethanol (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Natural I | 13.22 | 132.2 | 1.78 | 7.80 | 7.70 | 22.32 | 90.93 | 20.50 | 18.64 | 83.53 | 0.00 | 0.00 |
| 2 | I-20 | 15.28 | 152.8 | 2.72 | 9.02 | 8.86 | 23.91 | 90.11 | 26.00 | 23.43 | 97.99 | 19.66 | 13.10 |
| 3 | I-30 | 15.9 | 159 | 1.80 | 9.38 | 9.28 | 25.04 | 91.86 | 27.00 | 24.80 | 99.04 | 26.78 | 17.04 |
| 4 | I-40 | 16.99 | 169.9 | 1.34 | 10.02 | 9.95 | 27.85 | 90.72 | 30.00 | 27.22 | 97.74 | 38.14 | 22.62 |
| 5 | I-50 | 17.9 | 179 | 2.64 | 10.56 | 10.41 | 30.17 | 90.03 | 33.00 | 29.71 | 98.46 | 45.93 | 26.05 |
| 6 | Natural II | 18.46 | 184.6 | 11.21 | 10.89 | 10.23 | 29.67 | 90.15 | 32.00 | 28.85 | 97.24 | 0.00 | 0.00 |
| 7 | II-20 | 19.25 | 192.5 | -0.81 | 11.36 | 11.41 | 33.07 | 92.22 | 34.50 | 31.81 | 96.19 | 19.92 | 10.30 |
| 8 | II-30 | 20.63 | 206.3 | 3.84 | 12.17 | 11.95 | 34.64 | 91.13 | 36.50 | 33.26 | 96.02 | 29.07 | 14.36 |
| 9 | II-40 | 21.41 | 214.1 | 4.27 | 12.63 | 12.38 | 35.90 | 93.09 | 37.00 | 34.44 | 95.94 | 36.44 | 17.37 |
| 10 | II-50 | 22.18 | 221.8 | 5.53 | 13.09 | 12.76 | 37.00 | 91.44 | 40.00 | 36.57 | 98.84 | 42.88 | 19.83 |
| 11 | Natural III | 14.83 | 148.3 | 6.10 | 8.75 | 8.39 | 24.33 | 94.15 | 26.00 | 24.48 | 100.61 | 0.00 | 0.00 |
| 12 | III-20 | 16.67 | 166.7 | 3.14 | 9.84 | 9.65 | 27.02 | 92.59 | 29.00 | 26.85 | 99.37 | 21.36 | 13.06 |
| 13 | III-30 | 17.51 | 175.1 | 6.46 | 10.33 | 9.95 | 28.86 | 92.53 | 30.00 | 27.76 | 96.20 | 26.44 | 15.68 |
| 14 | III-40 | 18.52 | 185.2 | 5.54 | 10.93 | 10.60 | 28.62 | 93.06 | 30.00 | 27.92 | 97.55 | 37.46 | 20.85 |
| 15 | III-50 | 18.98 | 189.8 | 6.41 | 11.20 | 10.82 | 31.38 | 92.89 | 33.00 | 30.65 | 97.69 | 41.19 | 22.46 |
| 16 | I-water15 | 13.06 | 130.6 | 18.74 | 7.71 | 6.60 | 19.14 | 90.45 | 20.50 | 18.54 | 96.88 | - | - |
| 17 | I-water20 | 12.24 | 122.4 | 17.15 | 7.22 | 6.21 | 16.77 | 90.23 | 18.00 | 16.24 | 96.87 | - | - |
| 18 | II-water15 | 15.99 | 159.9 | 15.49 | 9.43 | 8.52 | 24.71 | 90.07 | 27.00 | 24.32 | 98.43 | - | - |
| 19 | II-water20 | 15.01 | 150.1 | 9.25 | 8.86 | 8.31 | 22.44 | 90.15 | 25.00 | 22.54 | 100.45 | - | - |
| 20 | III-water15 | 12.64 | 126.4 | 1.32 | 7.46 | 7.38 | 21.40 | 92.18 | 23.50 | 21.66 | 101.22 | - | - |
| 21 | III-water20 | 11.88 | 118.8 | 1.68 | 7.01 | 6.91 | 20.04 | 92.72 | 22.00 | 20.40 | 101.79 | - | - |
| 22 | I-sugar syrup | 16.56 | 165.6 | 16.96 | 9.77 | 8.77 | 23.68 | 90.31 | 26.00 | 23.48 | 99.16 | 18.22 | 12.26 |
| 23 | II-sugar syrup | 19.43 | 194.3 | 12.77 | 11.46 | 10.71 | 31.06 | 91.61 | 34.00 | 31.15 | 100.29 | 8.14 | 4.48 |
| 24 | III-sugar syrup | 16.67 | 166.7 | 3.99 | 9.84 | 9.60 | 27.84 | 94.21 | 29.00 | 27.32 | 98.14 | 20.51 | 12.60 |
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