Abstract

In this work, growth studies of Candida utilis were conducted both in the presence and absence of solids. The substrate was glucose obtained by enzymatic hydrolysis of corn dust. A batch/fedbatch design process was utilized throughout. In the growth without solids, both the direct cell measurement and the DNA concentrations were followed and the results were analyzed with some multivariate statistical procedures to obtain two estimates of the true biomass energetic yield and maintenance coefficient; there were then compared. For growth in the presence of solids, only DNA measurements were made, and data obtained were analyzed statistically. In all of the studies, the substrate concentration, the oxygen consumption rate, the carbon dioxide production rate, and the nitrogen concentration were followed

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