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In this report, we compared the effects on the growth of Lactobacillus plantarum of raising the medium molarity by high concentrations of KCl or NaCl and iso-osmotic concentrations of nonionic compounds. Analysis of cellular extracts for organic constituents by nuclear magnetic resonance spectroscopy showed that salt-stressed cells do not contain detectable(More)
The metabolic fate of citrate and pyruvate in four strains of Lactococcus lactis subsp. lactis biovar diacetylactis has been studied by means of C nuclear magnetic resonance, using as a substrate either [3-C]pyruvic acid or custom-synthesized citric acid that is C labeled either at carbons 2 and 4 or at carbon 3. The fermentations were carried out batchwise(More)
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