Methods to control bacterial growth in fermentation processes
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United States of America Patent
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Dec 17, 2013
Grant Date -
Nov 25, 2010
app pub date -
Jun 26, 2008
filing date -
Jun 28, 2007
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Abstract
A method of producing a fermentation-based product, such as ethanol, comprises fermenting a sugar-containing medium with yeast in the presence of an aliphatic or aromatic monoaldehyde or dialdehyde, a formaldehyde-releasing compound, or a combination thereof, in an amount sufficient to reduce or control a bacterial population in the sugar-containing medium. The additive may enable reduction or elimination of antibiotics for this purpose, while showing reductions in percent infection, process variability and interference with yeast viability.
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