PMID: 7547145Apr 1, 1995Paper

Lactic acid inhibition of the growth of spoilage bacteria and cold tolerant pathogens on pork

International Journal of Food Microbiology
G G Greer, Bryan D Dilts

Abstract

The antibacterial effects of a 3% solution of lactic acid at 55 degrees C were assessed, by examining aerobic bacterial growth on artificially-inoculated pork fat and lean tissue. Discs of fat or lean tissues, each of 10 cm2 surface area, were aseptically excised from pork Longissimus dorsi muscle and inoculated with the cold tolerant pathogens Listeria monocytogenes 4b Scott A no. 3, Yersinia enterocolitica 0:4,32 or Aeromonas hydrophila ATCC 7966, or with the wild type spoilage bacteria Pseudomonas fragi or Brochothrix thermosphacta. After inoculation, each meat disc was immersed in water or lactic acid for 15 s and aerobic bacterial growth followed during 15 days of storage at 4 degrees C. P. fragi and B. thermosphacta grew on both fat and lean, but the pathogens grew on fat tissue only and A. hydrophila did not survive on lean. Lactic acid reduced all test bacteria on fat to below detectable levels within 4 days of treatment and no bacteria could be recovered from acid-treated fat surfaces for the remainder of the 15-day storage interval. Bacteria attached to lean were generally more resistant to lactic acid. In some instances the acid was bacteriostatic (P. fragi, L. monocytogenes) while in others the population declined a...Continue Reading

References

Oct 1, 1985·The Veterinary Quarterly·J M SnijdersF J Smulders
Apr 1, 1982·The Journal of Applied Bacteriology·B G Shaw, J B Latty

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Citations

Oct 12, 2000·International Journal of Food Microbiology·A NykänenA Lapveteläinen
Mar 18, 1997·International Journal of Food Microbiology·C O GillB D Dilts
Jun 8, 1999·International Journal of Food Microbiology·C P Hsiao, K J Siebert
Nov 24, 1999·International Journal of Food Microbiology·D E MartensK van 't Riet
Jan 27, 2004·Antimicrobial Agents and Chemotherapy·Alemu FiteCarlo Leifert
May 2, 2000·Applied and Environmental Microbiology·H L AlakomiI M Helander
Oct 30, 2009·International Journal of Molecular Sciences·Jing-Dong YangZhi-Qi Shi
Oct 1, 1996·Antonie van Leeuwenhoek·M E Stiles
Jan 26, 2010·Molecular Biology and Evolution·Brendan D O'FallonFrederick R Adler
Jan 5, 2011·Molecular Biology and Evolution·Asher D Cutter, Alan M Moses
Sep 16, 2011·Molecular Biology and Evolution·Jonathan M FlowersMichael D Purugganan
Jan 11, 2013·The Journal of Heredity·Brian Charlesworth
Oct 16, 2010·Science·Brian Charlesworth
Mar 24, 2010·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Wolfgang Stephan
Mar 24, 2010·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·N H Barton
Jul 21, 2010·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·N H Barton
Nov 16, 2006·Journal of Applied Microbiology·E González-Fandos, J L Dominguez
Jan 12, 2011·Journal of Food Protection·Karen M KillingerCraig G Cogger
Mar 17, 2001·Journal of Food Protection·M M CasteloE D Berry
Aug 11, 2020·Bioscience of Microbiota, Food and Health·Slobodanka StanojeviĆ-NikoliĆSunčica KociĆ-Tanackov
Dec 12, 2018·EFSA Journal·UNKNOWN EFSA Panel on Food Contact Materials, Enzymes and Processing Aids (CEP)Alicja Mortensen

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