Abstract
Summary
Diacetyl prevented the growth of all of a variety of microorganisms in a range of 200-1600 μ/ml. In quantitative studies with a single strain of E. coli, diacetyl exerted an inhibitory action at low concentrations (< 129 μg/ml) and lethal action at higher concentrations (> 129 μg/ml). It was demonstrated that diacetyl was utilized during growth of E. coli and enhanced final growth when the medium was deficient in glucose.
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