Figure 2.

The effect of time of addition of diatomite on L-dopa production by Y. lipolytica NRRL-143 (L-tyrosine consumed -∘-, L-Dopa produced -×-). A total of 2.0 mg/ml diatomite was added to 3.5 mg/ml L-tyrosine and 3.0 mg/ml cell biomass. The total reaction time was 50 min at 50°C.