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Novik GI Astapovich NI Bogdanovskaia ZhN Riabaia NE 《Prikladnaia biokhimiia i mikrobiologiia》2000,36(1):104-110
Production of Enterobifidin comprises preparation of culture media, reparation of lyophilized Bifidobacterium adolescentis MS-42 culture, preparation of starters, cultivation of bacteria in fermenters, biomass conservation, and its biological control. The preparation contains physiologically active bifidobacterium cells with high activities of growth (mu = 0.7 h-1, g = 1.0 h) and acid formation (titratable acidity is approximately 120-140 degrees T; acetate concentration, 0.50-0.75%; and lactate concentration, 0.33-0.50%). The antagonistic activity of these bacteria towards Escherichia coli 08, E. coli 086, E. coli 015, E. coli 0115, and E. coli 0101 amounts to 98.2;, to Proteus vulgaris 102, to 87.2; and Staphylococcus aureus 209p, to 83.2%. The bifidobacteria (with a titer of 10(9) CFU/ml) remained viable for two to five months. 相似文献
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