Bacterial flora of processed broiler chicken skin after successive washings in mixtures of potassium hydroxide and lauric acid

Journal of Food Protection
A Hinton, J A Cason

Abstract

Changes in the size of populations of different groups of bacteria composing the normal flora of processed broiler skin were examined after each of five consecutive washings in mixtures of potassium hydroxide (KOH) and lauric acid (LA). Portions of skin from commercially processed broiler carcasses were washed in distilled water (control) or in mixtures of 0.25% KOH-0.5% LA or 0.5% KOH-1% LA by using a stomacher laboratory blender to agitate the skin in the solutions. After each wash, skin was transferred to fresh solutions, and washing was repeated to provide samples washed one to five times in each solution. Bacteria in rinsates of the washed skin were enumerated on plate count (PC) agar, Staphylococcus (STA) agar, Levine eosin methylene blue (EMB) agar, lactic acid bacteria (LAB) agar, and Perfringens (PER) agar with TSC supplement. Selected isolates recovered on each medium were identified. Overall, no significant differences were observed in numbers of bacteria recovered on PC, STA, or EMB agars from skin after repeated washing in water, but there were significant reductions in the number of bacteria recovered on LAB and PER agars. Repeated washing of skin in 0.25% KOH-0.5% LA or 0.5% KOH-1% LA generally produced significa...Continue Reading

References

Jul 1, 1986·The Journal of Infectious Diseases·H R Knapp, M A Melly
Jul 1, 1980·Applied and Environmental Microbiology·C J Thomas, T A McMeekin
Oct 8, 1999·Emerging Infectious Diseases·P S MeadR V Tauxe
Jan 5, 2002·Journal of Food Protection·M E BerrangJ A Dickens
Mar 5, 2004·International Journal of Food Microbiology·Arthur HintonKimberly D Ingram
Dec 1, 1995·Journal of Food Protection·Kathryn L Kotula, Yoga Pandya
Apr 1, 2004·Comprehensive Reviews in Food Science and Food Safety·K M KeenerS Kathariou

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Citations

Jun 27, 2015·Foodborne Pathogens and Disease·Petra Hovorková, Eva Skřivanová
Nov 20, 2014·Foodborne Pathogens and Disease·Eva SkřivanováMilan Marounek
Oct 13, 2020·Frontiers in Microbiology·Zhongjia YuKurt Houf

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