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Antibacterial activity of bacteriocin-like substance P34 on Listeria monocytogenes in chicken sausage
Sant'Anna, Voltaire; Quadros, Deoni A.F.; Motta, Amanda S.; Brandelli, Adriano.
Affiliation
  • Sant'Anna, Voltaire; Universidade Federal do Rio Grande do Sul. Departamento de Ciência de Alimentos. Laboratório de Bioquímica e Microbiologia Aplicada. Porto Alegre. BR
  • Quadros, Deoni A.F.; Universidade Federal do Rio Grande do Sul. Departamento de Ciência de Alimentos. Laboratório de Bioquímica e Microbiologia Aplicada. Porto Alegre. BR
  • Motta, Amanda S.; Universidade Federal do Rio Grande do Sul. Departamento de Ciência de Alimentos. Laboratório de Bioquímica e Microbiologia Aplicada. Porto Alegre. BR
  • Brandelli, Adriano; Universidade Federal do Rio Grande do Sul. Departamento de Ciência de Alimentos. Laboratório de Bioquímica e Microbiologia Aplicada. Porto Alegre. BR
Braz. j. microbiol ; 44(4): 1163-1167, Oct.-Dec. 2013. graf, tab
Article in En | LILACS | ID: lil-705277
Responsible library: BR1.1
ABSTRACT
The antimicrobial activity of the bacteriocin-like substance (BLS) P34 against Listeria monocytogenes was investigated in chicken sausage. The BLS was applied to chicken sausages (256 AU g-1) previously inoculated with a suspension of 10² cfu g-1 of L. monocytogenes. BLS P34 inhibited the indicator microorganism in situ in all incubation times for up to 10 days at 5 °C. The effectiveness of BLS P34 was increased when it was added in combination with nisin. The bacteriocin was also tested in natural eatable natural bovine wrapping (salty semi-dried tripe) against the same indicator microorganism, also showing inhibitory capability in vitro. BLS P34 showed potential to control L. monocytogenes in refrigerated meat products.
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Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Peptides / Food Microbiology / Listeria monocytogenes / Anti-Bacterial Agents Limits: Animals Language: En Journal: Braz. j. microbiol Journal subject: MICROBIOLOGIA Year: 2013 Document type: Article Affiliation country: Brazil
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Full text: 1 Collection: 01-internacional Database: LILACS Main subject: Peptides / Food Microbiology / Listeria monocytogenes / Anti-Bacterial Agents Limits: Animals Language: En Journal: Braz. j. microbiol Journal subject: MICROBIOLOGIA Year: 2013 Document type: Article Affiliation country: Brazil