Corn steep water and molasses are mainly byproducts in producing crystallized glucose by corn. It is very important to use these byproducts to produce edible foods and animal feeds in corn processing industry. Corn steep water and molasses are ideal culture medium for microorganisms because it contains abound protein, carbohydrates, vitamins and minerals. The yeasts are fermented in the mixture of steep water and molasses, and to be used to produce a quantity of yeast which is called single cell pro...