Table 2 Composition of the fermented broth at the end of the 6th fermentative cycle in fermentations carried out with the industrial S. cerevisiae yeast (PE-2) contaminated with the rough strain of S. cerevisiae (rough) and/or L. fermentum (Lf) in sugarcane juice or molasses at 30 °C

Sucrose

0

0

0.22 ± 0

0

0

0

0.22 ± 0

0

Glucose (Glu)

1.42 ± 0.36

4.23 ± 0.25

1.76 ± 0.41

2.38 ± 0.07

0.98 ± 0.02

1.66 ± 0.06

1.12 ± 0.03

1.64 ± 0.04

Fructose (Fru)

2.02 ± 0.66

6.11 ± 0.14

2.57 ± 0.77

5.26 ± 0.09

1.56 ± 0.07

3.47 ± 0.06

1.71 ± 0.04

4.47 ± 0.07

Glycerol

0.39 ± 0.02

0.34 ± 0.03

0.40 ± 0.08

0.49 ± 0.02

0.44 ± 0.01

0.45 ± 0.02

0.40 ± 0.04

0.45 ± 0.05

Acetate

0

0.14 ± 0

0.06 ± 0.09

0.20 ± 0

0.21 ± 0

0.26 ± 0.01

0.19 ± 0

0.22 ± 0

Ratio Fru/Glu

1.43

1.44

1.46

2.22

1.59

2.09

1.52

2.73