Table 1.
Simultaneous | Sequential | Control | |||||
---|---|---|---|---|---|---|---|
H1+S | H2+S | H3+S | H1+S | H2+S | H3+S | S | |
Alcohol (mL/100 mL) | 12.14±0.114 | 12.05±0.038 | 12.19±0.104 | 11.98±0.021 | 11.92±0.028 | 11.96±0.007 | 12.33±0.007 |
Residual sugars (g/L) | 2.09±0.047 | 2.15±0.153 | 2.19±0.113 | 2.13±0.092 | 2.25±0.212 | 2.17±0.099 | 2.18±0.120 |
Total acidity (g/L) | 6.30±0.029 | 6.43±0.087 | 6.46±0.083 | 6.35±0.064 | 6.52±0.014 | 6.49±0.028 | 6.34±0.035 |
Volatile acidity (g/L) | 0.34±0.000 | 0.37±0.008 | 0.34±0.015 | 0.41±0.014 | 0.40±0.007 | 0.42±0.014 | 0.41±0.000 |
pH | 3.34±0.005 | 3.33±0.014 | 3.33±0.008 | 3.32±0.007 | 3.31±0.007 | 3.31±0.000 | 3.29±0.000 |
Tartaric acid (g/L) | 1.87±0.029 | 1.80±0.068 | 1.92±0.143 | 1.63±0.028 | 1.66±0.042 | 2.11±0.092 | 1.73±0.078 |
Glycerol (g/L) | 6.32±0.151 | 6.21±0.266 | 6.32±0.243 | 6.15±0.042 | 6.33±0.085 | 6.22±0.007 | 5.24±0.078 |
Acetaldehyde (mg/L) | 20.05±0.451 | 19.96±0.382 | 20.32±0.297 | 21.4±0.600 | 21.95±0.190 | 22.41±0.216 | 24.22±0.164 |
Ethyl acetate (mg/L) | 84.78±0.753 | 96.57±0.822 | 98.33±1.254 | 104.22±2.660 | 107.53±3.918 | 106.88±2.674 | 44.53±0.980 |
Acetoin (mg/L) | 11.24±1.045 | 12.33±1.562 | 12.89±1.664 | 12.77±1.331 | 13.05±1.258 | 12.87±1.744 | 4.25±0.563 |
Values are the mean of two injections of each replicate; the standard deviation values (±) are indicated; n.d. not detectable.