Substrate

Cell biomass (g/l)

EPS production (g/l)

Carbon sources^*

Glucose

1.67

7.2

Mannose

3.2

8.2

Sucrose

1.157

1.6

Lactose

0.305

1.0

Nitrogen sources^**

Peptone

2.67

8.5

Tryptone

2.18

7.8

Yeast ext.

2.42

8.2

L-tryptophan

2.85

11.4

(NH₄)₂SO₄

2.3

7.8

NH₄NO₃

2.1

7.6

(NH₂)₂CO

2.0

7.5