Figure 4

Effect of trace elements on growth and product formation by D. nepalensis NCYC 3413. The strain was grown at 30°C and 180 rpm in the presence or absence of trace elements and the cultivation conditions are: glucose 100 g/L; ammonium sulphate 6 g/L; pH 6.0. Time course of (a) substrate utilization, (b) growth and formation of (c) ethanol and (d) arabitol by D. nepalensis. All experiments were performed three times and the values reported are mean with standard deviation.