Specific growth rate of bifidobacteria cultured on different sugars |
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Authors: | V. Rada J. Bartoňová E. Vlková |
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Affiliation: | (1) Department of Microbiology and Biotechnology, Czech University of Agriculture Prague, 165 21 Prague 6, Czechia |
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Abstract: | The ability of six bifidobacterial strains (3 of human origin and 3 isolates from fermented milk products) to utilize glucose, lactose, melezitose, sucrose, raffinose, and stachyose was determined. Dairy-related bifidobacterial strains were identified asBifidobacterium animalis (2 strains) or asB. pseudolongum (1 strain). Human strains includedB. longum (2 strains) andB. breve (1 strain). All strains fermented lactose, sucrose, raffinose, and stachyose. Melezitose was utilized only byB. longum. B. pseudolongum did not ferment either glucose or melezitose. All isolates had a higher specific growth rate on raffinose and stachyose than on glucose. Dairy strains grew slowly on glucose compared to human strains. |
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