Abstract
Effect of alcohols on acetate oxidation by the resting cells was studied.Acetobacter aceti M-7 could oxidize ethanol, n-propanol, n-butanol and n-pentanol. Ethanol was completely oxidized to carbon dioxide and water. n-Propanol, n-butanol and n-pentanol were oxidized to the corresponding acids, respectively. Moreover, these three n-alcohols all did not repress acetate oxidation. However, manometric study showed that ethanol repressed acetate oxidation. It was therefore suggested that acetate was hardly oxidized by the resting cells until the ethanol added had apparently been exhausted. However, ethanol did not completely repress acetate metabolism, but only a small amount of acetate was metabolized to form a nonvolatile acid.
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