TABLE 2.
EPS production by Lactococcus lactis strains in CDM with either 6% glucose or fructose as the sugar source at 30°C and pH 5.8 and concentrations of sugar nucleotides in cell extracts of these strains
| Strain | Sugar source | EPS (mg liter−1) | Mean concn (μmol g of protein−1) ± SD (n = 3) ofa:
|
|
|---|---|---|---|---|
| UDP-glucose | UDP-galactose | |||
| NIZO B40 | Glucose | 460 | 29.9 ± 6.4 | 9.6 ± 2.2 |
| Fructose | 65 | ND | ND | |
| NZ4010 | Glucose | 310 | 4.9 ± 2.9 | 2.2 ± 0.5 |
| Fructose | 85 | 0.8 ± 0.7 | 0.4 ± 0.3 | |
| MG1614 | Glucose | 14.2 ± 1.9 | 4.5 ± 0.7 | |
| Fructose | 1.8 ± 0.6 | 0.6 ± 0.1 | ||
a
ND, not detected (values were below the detection limit).