Influence of dairy practices on the capacity of probiotic bacteria to overcome simulated gastric digestion

The aim of this study was to evaluate the influence of microbiological and technological factors on the viability and functionality of probiotic Lactobacillus strains. In particular, the influence of harvesting time, food matrix, refrigerated storage, time of inoculation and refrigerated storage in...

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Detalhes bibliográficos
Autores: Burns, Patricia Graciela, Lafferriere, Lisandro, Vinderola, Celso Gabriel, Reinheimer, Jorge Alberto
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2014
País:Argentina
Recursos:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/13317
Acesso em linha:http://hdl.handle.net/11336/13317
Access Level:acceso abierto
Palavra-chave:Dairy
Capacity
Simulated
Digestion
https://purl.org/becyt/ford/2.11
https://purl.org/becyt/ford/2
Descrição
Resumo:The aim of this study was to evaluate the influence of microbiological and technological factors on the viability and functionality of probiotic Lactobacillus strains. In particular, the influence of harvesting time, food matrix, refrigerated storage, time of inoculation and refrigerated storage in fermented milk on the resistance to simulated gastric digestion (RSGD) was evaluated. Moreover, strain resistance to simulated gastric digestion was compared to human gastric fluid. Results showed that the variables studied affected, in a different way and in a strain-dependent manner, the RSGD. No direct relation was observed between cell viability and RSGD.