Preparation of optically pure D- and L- lactic acid
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United States of America Patent
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Sep 6, 1988
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N/A
app pub date -
Jun 30, 1982
filing date -
Jul 2, 1981
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Expired
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Abstract
A process for the preparation of optically pure D- or L-lactic acid by fermentation of an aqueous nutrient medium, which contains nitrogen, vitamins, aminoacids, sugars and trace elements, by means of a microorganism, at pH 4-6, wherein the nutrient medium contains brewers' yeast as the source of nitrogen, vitamins, aminoacids and trace elements.
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