Use of bacteriophages to reduce Salmonella in chicken skin in comparison with chemical agents

被引：126

作者：

Hungaro, Humberto Moreira ^{[1
]}

Santos Mendonca, Regina Celia ^{[1
]}

Gouvea, Delaine Meireles ^{[1
]}

Dantas Vanetti, Maria Cristina ^{[2
]}

de Oliveira Pinto, Claudia Lucia ^{[3
]}

机构：

[1] Univ Fed Vicosa, Dept Food Technol, BR-36570000 Vicosa, MG, Brazil

[2] Univ Fed Vicosa, Dept Biol, BR-36570000 Vicosa, MG, Brazil

[3] Agribusiness Res Co Minas Gerais, BR-36570000 Vicosa, MG, Brazil

来源：

FOOD RESEARCH INTERNATIONAL | 2013年 / 52卷 / 01期

关键词：

Salmonella spp; Sanitizers; Bacteriophage; Food safety; DECONTAMINATION TREATMENTS; VIRULENT BACTERIOPHAGE; BIOCONTROL AGENTS; PHAGE; CONTAMINATION; GROWTH; COCKTAIL; POULTRY; TYPHIMURIUM; PHYSIOLOGY;

D O I：

10.1016/j.foodres.2013.02.032

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Salmonella spp. is one of the major causes of foodborne diseases and a problem for the poultry industry. Bacteriophages have emerged as a promising agent to reduce pathogens in foods. Here, we compared bacteriophages and the classically used chemical agents for reducing S. enteritidis counts in chicken skin. Five phages were isolated from chicken feces, characterized and selected to be used as biosanitizer. Bacteriophages were assigned to the family Podoviridae and revealed identical RFLP profiles, although they showed a different host range and replication dynamics. Bacteriophages were found to be effective at a multiplicity of infection (MOI) of 10 at both 37 degrees C and 25 degrees C in liquid medium, with no significant reductions taking place when MOI was less than 10. When samples of chicken skin experimentally contaminated with 1 x 10(5) CFU/cm(2) S. enteritidis were treated with phage cocktail or chemical agents, similar reductions of about 1 log CFU/cm(2) were observed. These data suggest that bacteriophages can be employed as an alternative agent to reduce S. enteritidis contamination of poultry carcasses in industrial conditions. (c) 2013 Elsevier Ltd. All rights reserved.

引用

页码：75 / 81

页数：7

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