In Article "Blackberry Vinegar Produced By Successive Acetification Cycles: Production, Characterization And Bioactivity Parameters", with the number of DOI: http://dx.doi.org/10.1590/1678-4324-2016150136, published in journal Brazilian Archives of Biology and Technology, vol. 59, the 06 page.
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| Physical-chemical parameters | Observed values |
|---|---|
| pH | 3.18 |
| Titratable acidity (g/100 mL) | 0.92± 0.004 |
| Total SolubleSolids (°Brix) | 6 ± 0.00 |
| Ethanol (%, v/v) | 8.9± 0.1 |
| Total reducing sugar (g/L) | 52.4 ± 0.002 |
| Density at 20 ºC (g/mL) | 1052.8 ± 0.00 |
| Free sulfur dioxide - SO2 (mg/L) | 15.32± 0.002 |
| Total sulfur dioxide - SO2(mg/L) | 40.96± 0.004 |
| Total phenolic compounds (mg GAE/L) | 199.25 ± 2.19 |
| Anthocyanins (mg cyanidin-3-glucoside/L) | 51.93 ± 0.53 |
| Antioxidant activity - DPPH (µmol TE/mL) | 139.52 ± 7.07 |
| Antioxidant activity - ABTS (mmol TE/L) | 21.24 ± 1.24 |
| Parameters analyzed | Observed values | ||
|---|---|---|---|
| 1st cycle | 2nd cycle | 3rd cycle | |
| Acetic acid production (g/L) | 47.9 ± 5.0a | 52.9± 1.82a | 53.84± 0,31a |
| Ethanol consumption (%) | 85± 1.86a | 78.8± 5.28a | 79.8± 2.42a |
| pH | 2.62 ± 0.0b | 2.63 ± 0.0 b | 2.7 ± 0.01a |
| Titratable acidity (g/100mL) | 4.09 ± 0.08c | 4.53 ±0.02b | 4.91 ± 0.41a |
| Total soluble solids (°Brix) | 5.0 ± 0.0a | 5.0 ± 0.0a | 5.0 ± 0.0a |
| Mineral residue (g/L) | 3.73 ± 0.0b | 3.9± 0.05a | 3.74 ± 0.0b |
| Total dry extract (g/L) | 44.3± 0.04a | 33.3 ± 0.05b | 32.0 ± 0.21c |
| Dry reduced extract (g/L) | 15.68± 0.06c | 26.69 ± 0.06b | 26.98 ± 0.01a |
| Density at 20 ºC (g/mL) | 1077.3± 0.11a | 1077.8 ± 0.05a | 1077.7 ± 0.05a |
| Sulphates (g/L) | 0.026 ± 0.0a | 0.026 ± 0.0a | 0.026 ± 0.0a |
| Ethanol (g/L) | 0.95 ± 0.08a | 0.94 ± 0.090a | 0.93 ± 0.07a |
| Total phenolics (mg GAE/L) | 138.95b | 151.8b | 165.2a |
| Anthocyanins (mg/L) | 26.05± 0.35a | 34.23 ± 0.46a | 32.78 ± 0.56a |
| Antioxidant activity - DPPH (µmol TE/mL) | 103.5± 2.35a | 107.35± 5.95a | 107.73± 5.95a |
| Antioxidant activity - ABTS (mmol TE/L) | 15.63 ± 0.95c | 17.36 ± 0.99b | 19.03 ± 0.99 a |
