Biotin in different concentrations was added to the modified MV containing date sugars and (NH4)2SO 4 to determine the optimum biotin concentration. The fermentation process was carried out as before to determine the final pH and output of yeast biomass.
Biotin in different concentrations was added to themodified MV containing date sugars and (NH4)2SO 4to determine the optimum biotin concentration. Thefermentation process was carried out as before todetermine the final pH and output of yeast biomass.