Anita Menconi
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
Xochitl Hernandez-Velasco
Department de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Mexico D.F., 04510
Juan David Latorre
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
Gopala Kallapura
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
Neil R. Pumford
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
Marion J. Morgan
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
B.M. Hargis
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
G. Tellez
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA
ABSTRACT
Two experiments were conducted to evaluate the effect of chitosan as a biological sanitizer on chicken skin during storage. For experiment 1 (two trials) five skin samples of equal size were dipped into a solution containing 106 cfu/mL of Salmonella Typhimurium (ST) for 30s. Skin samples were then removed and dipped into a solution containing PBS or 0.5% chitosan for 30s. In experiment 2, aerobic Gram negative spoilage bacteria were used as indicators instead of ST. In both experiments, all samples were placed in individual bags and kept at 4°C. In experiment 1, dipping ST contaminated skin samples in a solution of 0.5% chitosan reduced (p<0.05) the recovery of ST by 24 h. In experiment 2, 0.5% chitosan treatment solution reduced (p<0.05) the presence of spoilage-causing psychrotrophic bacteria below detectable levels. These results suggest that 0.5% chitosan has a potential for use in an intervention technology for the control of foodborne pathogens on the surface of chicken skin contaminated with bacteria during storage.
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How to cite this article
Anita Menconi, Xochitl Hernandez-Velasco, Juan David Latorre, Gopala Kallapura, Neil R. Pumford, Marion J. Morgan, B.M. Hargis and G. Tellez, 2013. Effect of Chitosan as a Biological Sanitizer for Salmonella Typhimurium
and Aerobic Gram Negative Spoilage Bacteria Present on Chicken Skin. International Journal of Poultry Science, 12: 318-321.
DOI: 10.3923/ijps.2013.318.321
URL: https://scialert.net/abstract/?doi=ijps.2013.318.321
DOI: 10.3923/ijps.2013.318.321
URL: https://scialert.net/abstract/?doi=ijps.2013.318.321
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