Table 1.

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

	Glucose	Xylose
Lag phase (h)	8	16
Expontential phase (h)	54	80
μmax (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 YX/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 YL/S (g/g)	0.19 ± 0.01	0.15 ± 0.009

^at0 represents the beginning of cultivation, t2—late exponential growth phase, t3—lipid accumulation phase