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. 2016 May 9;7:670. doi: 10.3389/fmicb.2016.00670

Table 1.

Concentration of major chemical compounds in fermented musts obtained with mixed cultures of H. uvarum /S. cerevisiae strains and with the pure culture of S. cerevisiae as control.

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.