Basic Trials on Extractive Bioconversion of Glucose to Lactic Acid
Some basic data on extractive bioconversion of glucose to lactic acid are presented. Using Lactobacillus delbrückii, lactic acid fermentation is carried out in a two-phase system consisting of an organic (paraffin) and an aqueous phase. Bacteria and nutrient components are kept nearly quantitatively in the aqueous phase, whereas the lactic acid is considerably transferred into the paraffin phase. Influences of different surfactants and anion carriers on the partition coefficients are evaluated. A new concept of continuous fermentation with simultaneous extraction of the inhibiting product by means of an external extraction loop is discussed.
KeywordsLactic Acid Lactic Acid Bacterium Partition Coefficient Lactic Acid Production Lactic Acid Fermentation
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