Abstract
The growth of <i>Acetobacter aceti, A. pasteurianus</i> and <i>Gluconobacter oxydans</i> was examined in three wines held at 100%, 70%, and 30% to 50% dissolved oxygen and correlated with changes in concentrations of wine sugars, alcohols, organic acids, acetaldehyde, and ethyl acetate. Both <i>A. pasteurianus</i> and <i>A. aceti</i> grew to populations of 10<sup>8</sup> cfu/mL in fully aerated wines. Weaker growth occurred at lower dissolved concentrations. Growth was accompanied by reductions in the concentration of ethanol and increases in the concentration of acetic acid. Other changes included reductions in the concentrations of some organic acids and glycerol and increases in the concentration of acetaldehyde and ethyl acetate. <i>Gluconobacter oxydans</i> did not grow in the wine samples.
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