Method for the production of lactic acid or a salt thereof by simultaneous saccharification and fermentation of starch
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United States of America Patent
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May 30, 2008
filing date -
May 14, 2002
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Abstract
The present invention pertains to a method for the production of lactic acid or a salt thereof wherein starch is subjected to a process of simultaneous saccharification and fermentation, the method comprising saccharifying starch in a medium comprising at least a glucoamylase and simultaneously fermenting the starch using a microorganism, and optionally isolating lactic acid from the medium, characterized in that a moderately thermophilic lactic acid-producing microorganism is used. The invention further relates to a method of performing said process in the presence of a moderately thermophilic lactic acid producing microorganism, which has been adapted to have its maximum performance at the working pH.
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