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Table 2 Quantification and statistical analyses of fermentation parameters

From: Construction of low-ethanol–wine yeasts through partial deletion of the Saccharomyces cerevisiae PDC2 gene

Parameter

BY4741

BY4741

pdc2Δ519

BY4743

BY4743

pdc2Δ519

Vinification 1

 A

21.96 ± 0.59A,B

22.83 ± 1.57A

21.31 ± 0.52A,B

19.79 ± 1.74B

 µmax

1.8 ± 0.05A

1.74 ± 0.13A

1.44 ± 0.05B

1.39 ± 0.01B

 λ

2.66 ± 0.26A

2.38 ± 0.01A

2.47 ± 0.39A

2.86 ± 0.40A

 

BY4741

BY4741

pdc2Δ344

BY4743

BY4743

pdc2Δ344

BY4743

pdc2Δ519

Vinification 2

 A

25.24 ± 1.10A,B

22.05 ± 0.68C

26.11 ± 0.49A

24.38 ± 0.88B

26.07 ± 0.74A

 µmax

1.78 ± 013B,C

1.64 ± 0.09C

1.91 ± 0.06A,B

1.80 ± 0.09B

1.98 ± 0.06A

 λ

2.97 ± 1.11A

2.30 ± 0.17A,B

1.80 ± 0.05B

1.97 ± 0.05A,B

2.04 ± 0.23B

  1. A = Asymptote, µ max  = maximum specific growth rate and (λ) = lag time, for the three vinifications
  2. Distinct letters correspond to statistical significant difference for a Fischer test with p < 0.05