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Production of Diacetyl by Fæcal Streptococci

Abstract

IN an investigation of the metabolism of both ‘resting’ and growing cells of lactic acid bacteria we have found that only the fæcal streptococci (Str. fœcalis and Str. liquefaciens) produce considerable quantities of diacetyl, which is recognized to be responsible for part of the aroma of milk products. No other lactic acid bacterium studied in this way produced diacetyl.

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References

  1. Hammeri, Res. Bull. Ia. Agr. Exp. Sta., 63 (1920).

  2. Ritter, Landw. Jahrb. Schweiz., 218 (1934).

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DAVIS, J., ROGERS, H. & THIEL, C. Production of Diacetyl by Fæcal Streptococci. Nature 143, 558 (1939). https://doi.org/10.1038/143558b0

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