Decontamination of beef carcass tissue with nisin using a pilot scale model carcass washer

Catherine Nettles Cutter, G. R. Siragusa

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Nisin spray treatments were tested for controlling Gram-positive bacteria attached to beef carcass surface tissue using a pilot scale model carcass washer. Section of lean and adipose tissues were inoculated with approximately 4 log10 cfu cm-2 of Brochothrix thermosphacta, Carnobacterium divergens or Listeria innocua. Following 28°C water or nisin sprays, bacterial populations were enumerated immediately and after incubation for 24 h at 4°C. Spray treatments with water did not significantly alter the bacterial populations at day 0 or 1 (< 1 log10 reduction). However, nisin spray treatments (5000 AU ml-1) reduced populations by 1·79 to 3·54 log10 cfu cm-2 at day 0 and by 1·97 to 3·60 log10 cfu cm-2 at day 1. This study demonstrates that spray washing is an effective means of applying bacteriocins and that these compounds may be useful as sanitizers of red meat carcasses.

Original languageEnglish (US)
Pages (from-to)481-489
Number of pages9
JournalFood Microbiology
Volume11
Issue number6
DOIs
StatePublished - Jan 1 1994

Fingerprint

Nisin
beef carcasses
nisin
Decontamination
decontamination
Brochothrix
Carnobacterium
Carnobacterium divergens
Population
Brochothrix thermosphacta
Bacteriocins
sanitizers
red meat
Listeria
Listeria innocua
Water Purification
bacteriocins
Gram-Positive Bacteria
Gram-positive bacteria
washing

All Science Journal Classification (ASJC) codes

  • Food Science
  • Microbiology

Cite this

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Decontamination of beef carcass tissue with nisin using a pilot scale model carcass washer. / Cutter, Catherine Nettles; Siragusa, G. R.

In: Food Microbiology, Vol. 11, No. 6, 01.01.1994, p. 481-489.

Research output: Contribution to journalArticle

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