Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/5870
Título: Survival of Lactobacillus delbrueckii ssp. bulgaricus Following Spray-Drying
Autor: Teixeira, P. C.
Castro, M. H.
Malcata, F. X.
Kirby, R. M
Palavras-chave: Lactobacillus delbrueckii ssp. bulgaricus
Spray-drying
Cellular damage
Data: 1995
Editora: Elsevier
Citação: TEIXEIRA, P. C....[et al] - Survival of Lactobacillus delbrueckii ssp. bulgaricus Following Spray-Drying. Journal of Dairy Science. ISSN 0022-0302. Vol. 78 n.º 5 (1995), p. 1025-1031
Resumo: Survival of cell concentrates of Lactobacillus delbrueckii ssp. bulgaricus following spray-drying in skim milk with and without ascorbic acid and monosodium glutamate was evaluated during storage at different conditions of temperature and water activity. High temperature and high water activities were detrimental to survival of dried cells. The death rate was higher in the presence of ascorbic acid and monosodium glutamate during storage at 20°C; at 4°C. survival was higher in the presence of these agents. The developed sensitivity of survivors to chemical inhibitors with specific action was used to provide insight into the nature of cellular damage. After drying, cells showed sensitivity to NaCl, lysozyme, penicillin, and pyronin Y, indicating damage to the cell membrane, cell wall, and DNA, respectively.
Peer review: yes
URI: http://hdl.handle.net/10400.14/5870
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0022030295767182
Aparece nas colecções:ESB - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

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