the effect of oxygen supplement on yeast concentration , cell yield , cell viability , extracellular ethanol concentration , ethanol yield , maintenance coefficient , specific rates of glucose assimilation , ethanol production , and ethanol productivity have been evaluated , using a high alcohol tolerant saccharomyces cerevisiae stv89 strain and employing a continuous fermentor equipped with an accurate air metering system in the flow rate range 0-11 ml air/l/h .
C0007634
cell
C0007620
cell viability