Microbiology, sensory evaluation and shelf life of irradiated chicken breast fillets stored in air or vacuum



Document title: Microbiology, sensory evaluation and shelf life of irradiated chicken breast fillets stored in air or vacuum
Journal: Brazilian archives of biology and technology
Database: PERIÓDICA
System number: 000337693
ISSN: 1516-8913
Authors: 1
1
2
1
1
1
Institutions: 1Universidade Federal Fluminense, Faculdade de Veterinaria, Niteroi, Rio de Janeiro. Brasil
2Centro Tecnologico do Exercito, Rio de Janeiro. Brasil
Year:
Season: May-Jun
Volumen: 54
Number: 3
Pages: 569-576
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, analítico
English abstract This work investigated the effects of different packaging methods (air and vacuum) combined with irradiation (0.0, 2.0 and 3.0 kGy) on the preservation of chicken breast fillets stored at 1ºC for up to 18 days by sensorial test, determination of pH and bacterial growth. The findings indicated that the post-irradiation lag phase increased with the dose, leading to an extension in shelf-life. Vacuum-packed samples irradiated at 3.0 kGy exhibited the longest shelf life. Among the analyzed bacteria, coliforms and Listeria spp. were most sensitive to gamma radiation. All the fillets acquired more attractive coloration and better overall impression with irradiation. The combined use of vacuum packaging and irradiation (3.0 kGy) reduced the microbial populations without causing change in pH and yielded a significant shelf-life extension of refrigerated fillets, besides improving its appearance
Disciplines: Química,
Medicina veterinaria y zootecnia
Keyword: Química de alimentos,
Aves de corral,
Microbiología,
Pollos,
Filetes,
Radiación,
Atmósfera modificada,
Evaluación sensorial
Keyword: Chemistry,
Veterinary medicine and animal husbandry,
Food chemistry,
Poultry,
Microbiology,
Chicken,
Fillets,
Irradiation,
Modified atmosphere,
Sensorial evaluation
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