Table 1.

Kinetic parameters for P. djamor cultivated with 40 and 50 g/L initial glucose concentration, pH 3.0 and 4.0, according to 2² factorial design.

Kinetic parameters	40 g/L pH 3.0	40 g/L pH 4.0	50 g/L pH 3.0	50 g/L pH 4.0
ΔP (g/L)	2.110	0.760	2.530	0.560
ΔX (g/L)	7.110	6.990	9.880	5.730
ΔPm (g/L)	1.810	0.650	2.420	0.496
ΔXm (g/L)	6.470	6.440	10.630	3.800
YP/S	0.072	0.025	0.058	0.020
YX/S	0.240	0.230	0.228	0.206
QP (mg/L.h)	9.340	2.380	5.040	1.320
QX (mg/L.h)	31.400	21.970	19.680	13.540
QPmax (mg/L.h)	11.260	2.670	5.170	1.510
QXmax (mg/L.h)	32.200	22.190	20.020	15.830
t (h)	226	318	502	423
tmp (h)	161	242	467	328
tmx (h)	201	290	531	240