Effects of pH, dissolved oxygen, and ionic strength on the survival of Escherichia coli O157:H7 in organic acid solutions

Journal of Food Protection

Volumn 71, Issue 12, 2008, Pages 2404-2409

  Kreske, Audrey C ^a   Bjornsdottir, Kristin ^a   Breidt Jr , Fred ^a   Hassan, Hosni ^a  

^a NORTH CAROLINA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ESCHERICHIA COLI;

EID: 57449086550     PISSN: 0362028X     EISSN: None     Source Type: Journal    
DOI: 10.4315/0362-028X-71.12.2404     Document Type: Article

References (27)

1. Bjornsdottir, K. 2005. Effects of organic acids on Escherichia coli O157:H7 independent of pH under acidified food conditions. M.S. thesis. North Carolina State University, Raleigh.
2. Bjornsdottir, K., F. Breidt, Jr., and R. F. McFeeters. 2006. Protective effects of organic acids on survival of Escherichia coli O157:H7 in acidic environments. Appl. Environ. Microbiol. 72:660-664.
3. Breidt, F., Jr., J. S. Hayes, and R. F. McFeeters. 2004. Independent effects of acetic acid and pH on survival of Escherichia coli in simulated acidified pickle products. J. Food Prot. 67:12-18.
4. Breidt, F., Jr., J. Hayes, and R. F. McFeeters. 2007. Determination of 5-log reduction times for food pathogens in acidified cucumbers during storage at 10 and 25°C. J. Food Prot. 70:2638-2641.
5. Breidt, F., Jr., J. S. Hayes, J. A. Osborne, and R. F. McFeeters. 2005. Determination of 5-log pathogen reduction times for heat-processed, acidified vegetable brines. J. Food Prot. 68:305-310.
6. Brul, S., and P. Coote. 1999. Preservative agents in foods: mode of action and microbial resistance mechanisms. Int. J. Food Microbiol. 50:1-17.
7. Buchanan, R., and S. Edelson. 1996. Culturing enterohemorrhagic Escherichia coli in the presence and absence of glucose as a simple means of evaluating the acid tolerance of stationary-phase cells. Appl. Environ. Microbiol. 62:4009-4013.
8. Centers for Disease Control and Prevention. 1996. Outbreak of Escherichia coli O157:H7 infections associated with drinking unpasteurized commercial apple juice - British Columbia, California, Colorado, and Washington, October 1996. Morb. Mortal. Wkly. Rep. 45: 975.
9. Centers for Disease Control and Prevention. 1997. Outbreaks of Escherichia coli O157:H7 infection and cryptosporidiosis associated with drinking unpasteurized apple cider - Connecticut and New York, October 1996. Morb. Mortal. Wkly. Rep. 46:4-8.
10. Chart, H. 2000. VTEC enteropathogenicity. J. Appl. Microbiol. 88: 12S-23S.
11. Clavero, M., and L. Beuchat. 1996. Survival of Escherichia coli O157:H7 in broth and processed salami as influenced by pH, water activity, and temperature and suitability of media for its recovery. Appl. Environ. Microbiol. 62:2735-2740.
12. Cleary, K., and R. F. McFeeters. 2006. Effects of oxygen and turmeric on the formation of oxidative aldehydes in fresh-pack dill pickles. J. Agric. Food Chem. 54:3421-3427.
13. Deng, Y., J.-H. Ryu, and L. R. Beuchat. 1999. Tolerance of acid-adapted and non-adapted Escherichia coli O157:H7 cells to reduced pH as affected by type of acidulant. J. Appl. Microbiol. 86:203-210.
14. Diez-Gonzalez, F., and J. Russell. 1997. The ability of Escherichia coli O157:H7 to decrease its intracellular pH and resist the toxicity of acetic acid. Microbiology 143:1175-1180.
15. Dougherty, D. P., E. R. Da Conceicao Neta, R. F. McFeeters, S. R. Lubkin, and F. Breidt. 2006. Semi-mechanistic partial buffer approach to modeling pH, the buffer properties, and the distribution of ionic species in complex solutions. J. Agric. Food Chem. 54:6021-6029.
16. Doyle, M. P. 1991. Escherichia coli O157: H7 and its significance in foods. Int. J. Food Microbiol. 12:289-301.
17. Eklund, T. 1983. The antimicrobial effect of dissociated and undissociated sorbic acid at different pH levels. J. Appl. Bacteriol. 54: 383-389.
18. Eklund, T. 1989. Organic acid and esters, p. 161-200. In G. W. Gould (ed.), Mechanisms of action of food preservation procedures. Elsevier Applied Science, New York.
19. Entani, E., M. Asai, S. Tsujihata, Y. Tsukamoto, and M. Ohta. 1998. Antibacterial action of vinegar against food-borne pathogenic bacteria including Escherichia coli O157:H7. J. Food Prot. 61:953-959.
20. Leyer, G., L. Wang, and E. Johnson. 1995. Acid adaptation of Escherichia coli O157:H7 increases survival in acidic foods. Appl. Environ. Microbiol. 61:3752-3755.
21. Mead, P. S., L. Slutsker, V. Dietz, L. F. McCaig, J. S. Bresee, C. Shapiro, P. M. Griffin, and R. V. Tauxe. 1999. Food-related illness and death in the United States. Emerg. Infect. Dis. 5:607-625.
22. Naim, F., S. Messier, L. Saucier, and G. Piette. 2004. Postprocessing in vitro digestion challenge to evaluate survival of Escherichia coli O157:H7 in fermented dry sausages. Appl. Environ. Microbiol. 70: 6637-6642.
23. Russell, N. J., and G. W. Gould. 2003. Major preservation technologies, p. 14-24. In N. J. Russell and G. W. Gould (ed.), Food preservatives, 2nd ed. Kluwer Academic/Plenum Publishers, New York.
24. Ryu, J.-H., Y. Deng, and L. R. Beuchat. 1999. Behavior of acid-adapted and unadapted Escherichia coli O157:H7 when exposed to reduced pH achieved with various organic acids. J. Food Prot. 62: 451-455.
25. Shelef, L. A. 1994. Antimicrobial effects of lactates: a review. J. Food Prot. 57:445-450.
26. Tarr, P. I. 1995. Escherichia coli O157:H7: clinical, diagnostic, and epidemiological aspects of human infection. Clin. Infect. Dis. 20:1-10.
27. Young, K., and P. Foegeding. 1993. Acetic, lactic, and citric acids and pH inhibition of Listeria monocytogenes Scott A and the effect on intracellular pH. J. Appl. Bacteriol. 74:515-520.