Table 3 Fold change of the extracellular amino and organic acids detected from the stationary phase of the studied fermentations

Alanine

> 20

1.97

0.51

Valine

> 20

2.09

-

0.48

Leucine

> 20

9.36

-

0.11

Isoleucine

> 20

9.36

-

0.11

Proline

2.51

0.29

0.40

3.43

Citric acid

0.95

0.52

1.05

1.94

Phenylalanine

> 20

1.48

-

0.67

Tyrosine

> 20

> 20

-

-

Sucinic acid

0.45

0.23

2.24

4.28

Cis-Aconitic Acid

-

-

> 20

6.62

2-oxoglutaric acid

-

-

> 20

-

Pyruvic acid

> 20

0.36

-

2.79

Citramalic acid

-

-

-

> 20

2-isopropylmalic acid

> 20

-

-

-