Data/hora: 06/06/2024 11:52:43

Provedor de dados: | 58
País: | Brazil
Título: | Bacteriocinogenic Lactococcus lactis subsp. lactis DF04Mi isolated from goat milk: characterization of the bacteriocin
Autores: | Furtado,Danielle N.; Todorov,Svetoslav D.; Landgraf,Mariza; Destro,Maria T.; Franco,Bernadette D.G.M.
Data: | 2014-12-01
Ano: | 2014
Palavras-chave: | Bacteriocin; Probiotic; Lc. lactis subsp; Lactis; Biopreservation; Goat milk.
Resumo: | Lactic acid bacteria capable of producing bacteriocins and presenting probiotic potential open innovative technological applications in the dairy industry. In this study, a bacteriocinogenic strain (Lactococcus lactis subsp. lactis DF4Mi) was isolated from goat milk, and studied for its antimicrobial activity. The bacteriocin presented a broad spectrum of activity, was sensitive to proteolytic enzymes, resistant to heat and pH extremes, and not affected by the presence of SDS, Tween 20, Tween 80, EDTA or NaCl. Bacteriocin production was dependent on the components of the culture media, especially nitrogen source and salts. When tested by PCR, the bacteriocin gene presented 100% homology to nisin Z gene. These properties indicate that this L. lactis subsp. lactis DF4Mi can be used for enhancement of dairy foods safety and quality.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000400052
Editor: | Sociedade Brasileira de Microbiologia
Relação: | 10.1590/S1517-83822014000400052
Formato: | text/html
Fonte: | Brazilian Journal of Microbiology  v.45 n.4 2014
Fonte: | info:eu-repo/semantics/openAccess