Table 3.

Yield coefficients and cellular maintenance (m) for the three sequential sorbitol fermentation batches using P. acidipropionici operating in four independent vessels

	First batch	Second batch	Third batch
YX/S (g g−1)	0.366	0.326	0.279
YSA/S (g g−1)	0.097	0.132	0.212
YAA/S (g g−1)	0.052	0.029	0.029
YPA/S (g g−1)	0.613	0.419	0.438
YSA/X (g g−1)	0.264	0.404	0.760
YAA/X (g g−1)	0.143	0.090	0.102
YPA/X (g g−1)	1.673	1.288	1.570
m (g g−1 h−1)	0.039	0.044	0.051