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Influence of medium composition, pH and temperature on the growth and viability of Lactobacillus acidophilus

Patricia Taillandier 1 Jean-François Gilis 1 Felipe Ramon-Portugal 1 Patrice Laforce 2 Pierre Strehaiano 1
1 LGC - Laboratoire de génie chimique [ancien site de Basso-Cambo]
2 Lallemand SAS
Abstract : The Lactobacillus acidophilus growth was investigated to find the optimal concentrations of 2 nitrogen sources (thought to be in excess) and 2 organic acids. A Plackctt and Burman experimental design was used allowing identification of the more important factors with very few experiments. In the studied range, all the factors had a linear effect and a great influence on the final viability. 20 g/L of each nitrogen sources, 3 g sodium-citrate/L and 5 g sodium acetate/L are necessary. pH, temperature and glucose had poor influence.
Keywords : Nitrogen Glucose Sodium Organic Chemistry Organic Acid
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Patricia Taillandier, Jean-François Gilis, Felipe Ramon-Portugal, Patrice Laforce, Pierre Strehaiano. Influence of medium composition, pH and temperature on the growth and viability of Lactobacillus acidophilus. Biotechnology Letters, Springer Verlag, 1996, 18 (7), pp.775-780. ⟨10.1007/BF00127887⟩. ⟨hal-02143238⟩

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