Table 1 Physiological parameters for batch cultivation of R. toruloides CBS 14 in minimal medium containing either glucose or xylose

Lag phase (h)

8

16

Expontential phase (h)

54

80

μ_max (h⁻¹)

0.14

0.07

Final DCW (g/l)

13.8 ± 0.13

11.1 ± 0.1

Starting sugar (g/l)

40.8 ± 0.3

39.4 ± 0.25

Residual sugar (g/l)

3.19 ± 0.81

1.1 ± 1

Final Y_X/S (gDW/g glucose⁻¹)

0.36 ± 0.004

0.28 ± 0.003

Lipid content at t0 (%)^a

7.59 ± 1.54

Lipid content at t2 (%)^a

10.58 ± 1.00

13.99 ± 1.5

Lipid content at t3 (%)^a

47.51 ± 1.81

47.05 ± 1.4

Final Y_L/S (g/g)

0.19 ± 0.01

0.15 ± 0.009