Influence of Growth Conditions on the Production of a Bacteriocin, Pediocin AcH, by Pediococcus acidilactici H

Author:

Biswas S. R.1,Ray Purbita1,Johnson M. C.1,Ray B.1

Affiliation:

1. Food Microbiology Laboratory, Animal Science Department, University of Wyoming, Laramie, Wyoming 82071

Abstract

The influence of growth parameters on the production of pediocin AcH by Pediococcus acidilactici H was studied. This strain produced large quantities of pediocin AcH in TGE broth (Trypticase [1%], glucose [1%], yeast extract [1%], Tween 80 [0.2%], Mn 2+ [0.033 mM], Mg 2+ [0.02 mM] [pH 6.5]) within 16 to 18 h at 30 to 37°C (final pH, 3.6 to 3.7). Pediocin AcH production was negligible when the pH of the medium was maintained at 5.0 or above, even in the presence of high cell mass.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference19 articles.

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4. Mode of action of pediocin AcH;Bhunia A. K.;J. Appl. Bacteriol.,1991

5. Antimicrobial substances from lactic acid bacteria for use as food preservatives;Daeschel M. A.;Food Technol.,1989

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