Antilisterial activity of lactic acid bacteria isolated from vacuum-packaged brazilian meat and meat products
Braz. j. microbiol
;
32(1): 32-7, Jan.-Mar. 2001. ilus, tab
Artigo
em Inglês
| LILACS
| ID: lil-297662
RESUMO
Twenty samples of Brazilian meat and meat products were screened by the agar overlay method for bacteriocin-producing lactic acid bacteria, using Lactobacillus sake ATCC 15521 as indicator strain. Based on Gram staining, KOH reaction, catalase test and fermentation of 49 carbohydrates (API 50 CH), three out of seven isolates with confirmed antagonist properties were identified as Lactobacillus curvatus, one as Leuconostoc mesenteroides and one as Leuconostoc sp. Two isolates could not be properly identified using these tests. The inhibitors produced by these strains were sensitive to proteases. Inhibition due to lytic bacteriophages was ruled out, so the isolates were classified as bacteriocin-producing lactic acid bacteria. Four of them presented antilisterial activity and a potential application as biopreservatives in meat systems.
Texto completo:
DisponíveL
Índice:
LILACS (Américas)
Assunto principal:
Bacteriocinas
/
Técnicas In Vitro
/
Plasmídeos de Bacteriocinas
/
Listeria monocytogenes
Tipo de estudo:
Estudo prognóstico
País/Região como assunto:
América do Sul
/
Brasil
Idioma:
Inglês
Revista:
Braz. j. microbiol
Assunto da revista:
Microbiologia
Ano de publicação:
2001
Tipo de documento:
Artigo
País de afiliação:
Brasil
Similares
MEDLINE
...
LILACS
LIS